Liebherr R 974C Litronic 449 1010 1011 1057 1058 1084 1124 1137 1146 1152 Excavator Operating Manual

Operating manual

en

Operating manual Hydraulic excavator R 974 C Litronic from serial number 27700

Document identification ORIGINAL OPERATING MANUAL

Order number:

10069856

issue:

01 / 2011

Valid for:

R 974 C Litronic from serial number 27700

Author:

LFR - Technical documentation department

Product identification Manufacturer:

LIEBHERR France S.A.S.

Type:

R 974 C Litronic

Type no.:

449 / 1010 / 1011 / 1057 / 1058 / 1084 / 1124 / 1137 / 1146 / 1152

.....

0 N

Conformity:

0 cu:::,

CE

lZ

Address

~

Liebherr France S.A.S.

~

LL

....I

2 avenue Joseph Rey B.P 287 F - 68005 Colmar Cedex

R 974 C Litronic / 10069856

MJFCIFSS

Machine data

Vehicle ident. number:

Construction year:

First start-up date:

MJFCIFSS

Preface

machine operator maintenance personnel

The operating instructions are to be read and used carefully by all persons who carry out work with or on the machine before putting the machine into service for the first time and later, at regular intervals.

Operation

Maintenance Transportation

The operating instructions belong with the machine. Place a copy in an easily reached position on the cab storage shelf.

MJFCIFSS

0-1

Modifications, conditions, copyright

0-2

MJFCIFSS

1

Product description ....................................................................................................................................... 1-1

2

Safety instructions, Signs on the machine ................................................................................................. 2-1

3

Control and operation ................................................................................................................................... 3-1

MJFCIFSS

4

Malfunctions ................................................................................................................................................... 4-1

MJFCIFSS

5

Maintenance ................................................................................................................................................... 5-1

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

1 Product description 1.1 Assembly - overview

1.1.1

Machine with backhoe attachment

Fig. 1-1

Machine with backhoe attachment

100 310

200 320

340

330

MJFCIFSS

300 330

1-1

1.1.2

Machine with shovel attachment

Fig. 1-2

1.1.3

100

200

400

410

420

430

440

450

460

Uppercarriage

Fig. 1-3

1-2

Machine with shovel attachment

Uppercarriage

MJFCIFSS

500 535

530 540

565

566

700

800

1000

1400

6000 6230

6220 7100

7600 9050

8700 9300

9500

1.1.4

Undercarriage

Fig. 1-4

Undercarriage

205

206

207 209

208 1000

4500 8020

8010

1.2 Vibration emissions

MJFCIFSS

1-3

Hand-arm vibration

Whole-body vibration

Weighted effective vibration in m/s² at operating conditions "light-duty" (1), "normal" (2) and "heavy-duty" (3) Machine type

Typical working cycles

x-axis 1

2

y-axis 3

Tab. 1-1

1-4

MJFCIFSS

1

2

z-axis 3

1

2

3

1.3 Sound emission

MJFCIFSS

1-5

1.4 EC Declaration of Conformity

Fig. 1-5

Sample EC Declaration of Conformity (from year of manufacture 2010)

1.5 Technical data

1-6

MJFCIFSS

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2 Safety instructions, Signs on the machine

2.1 Meaning of the symbols in this manual

Danger Caution

Note

Danger!

Caution!

Note!

MJFCIFSS

2-1

Following these notes does not relieve you of responsibility for following additional rules and guidelines!

2.2 Use in accordance with the regulations

2.3 Safety Instructions General safety instructions

2-2

MJFCIFSS

MJFCIFSS

2-3

Avoidance of crushing and burns

Avoidance of fire and explosions

2-4

MJFCIFSS

Bringing the machine safely into service

Safely getting up

MJFCIFSS

2-5

Adjusting the operator’s standing position

Protection from vibration - seat adjusting

Utilisation in confined spaces

Starting the machine safely

Stopping the machine safely

2-6

MJFCIFSS

Safely getting down

Working safely with the machine

• warn any personnel in the vicinity not to come close to the excavator and not to touch it,

MJFCIFSS

2-7

2-8

MJFCIFSS

Safe use with a hydraulic hammer

MJFCIFSS

2-9

Safe use when loading and unloading (particularly when loading and unloading wood)

Safe use of machines with tower elevation

2 - 10

MJFCIFSS

(Caution! swinging grab)

Protection from vibration

MJFCIFSS

2 - 11

Attaching and removing equipment parts safely

Removing and installing equipment bolts safely

2 - 12

MJFCIFSS

Transporting the machine safely

MJFCIFSS

2 - 13

2.4 Servicing the machine safely General safety instructions

2 - 14

MJFCIFSS

Cleaning

Sight field

MJFCIFSS

2 - 15

Crack testing

Welding, drilling, firing and grinding work

2 - 16

MJFCIFSS

Process materials

Repair work

MJFCIFSS

2 - 17

Electrical system

Hydraulic accumulator

2 - 18

MJFCIFSS

Hydraulic hoses and sheathed cables.

MJFCIFSS

2 - 19

2.5 Signs on the machine 2.5.1

Introduction the safety plates the information plates the nameplates

Danger! safety plates

2 - 20

MJFCIFSS

2.5.2

Arrangement of signage

Fig. 2-1

Arrangement of signage on the machine

4

60

15

65

20 22

71 73

30

74

35

75

36*

76

40 45

77 80

47

90*

50

91*

52 54

101 103

55

250*

56 *

MJFCIFSS

2 - 21

Note !

2.5.3

Explanation of signage Serially installed signage

Signs (except for North America)

North America signs Plate 4: Machine nameplate LFR (Liebherr France)

Plate 4: Machine nameplate LAM (Liebherr America)

Plate 15: Lubrication chart

Plate 20: Prohibiting sign

2 - 22

MJFCIFSS

Signs (except for North America)

North America signs Plate 22: Operating symbols

Plate 30: Lubrication chart (engine)

Plate 35: Loading and lashing points

Plate 36: Waxoyl*

Plate 40: Lashing point

Plate 45: Lifting point

MJFCIFSS

2 - 23

Signs (except for North America)

North America signs Plate 47: External start

Plate 50: Obstruction

Plate 52: Engine-off

Plate 54: Accident prevention

Plate 55: Safety lever

Plate 56: Equipment

Plate 60: Sound/power level [truck]

*XX

2 - 24

MJFCIFSS

Signs (except for North America)

North America signs Plate 65: Load chart*

Plate 71: Explosion hazard

Plate 73: High voltage hazard

Plate 74: Hazard due to fluid under high pressure

Plate 75: Hazard of impact

Plate 76:Hazard due to hot machine parts

Plate 77: Hazard due to hot fluids

Plate 80: Safety belt

MJFCIFSS

2 - 25

Signs (except for North America)

North America signs Plate 90: Prohibition sign - no lifting point*

45

Plate 91: Counterweight removal *

Plate 250: Emergency exit – rear window*

*

Signage relating to optional equipments Standard signs

America signs Plate 101: Crushing hazard

Plate 103: Hazard of thrown out objects

2 - 26

MJFCIFSS

2.5.4

Nameplates on the machine

Fig. 2-2

Important nameplates on the machine

1 2

4 5

3

6

MJFCIFSS

2 - 27

2 - 28

MJFCIFSS

3 Control and operation 3.1 Operating and control elements 3.1.1

Controls in the operator’s cab

Fig. 3-1

Controls in the cab

MJFCIFSS

3-1

A3

E8

H1

H10

P5 S1

S2

S5L

S5R or unlocking of cylinder cut-off (NA

S5M

or travel alarm on/off (NA) S6L or rotating device left (NA)

S6M

S6R or rotating device right (A)

S7

S42

S55

S57 or lifting magnet (NA)

S71

S72

S73 S84-1

S84-2

S99 S218

S248

U20

U21

U22

U23

U24

U26

U27

U38

* (NA)

3-2

This location only for North America

MJFCIFSS

3.1.2

The joysticks Control of the working movements

Fig. 3-2

Joystick right (3) and left (4)

Standard control system according to ISO 4 4 4

a c

b d

3

e

f

3

g

h

3

Special control systems Note !

Liebherr resp. John Deere control system, ....

MJFCIFSS

3-3

Push buttons and switches in the joysticks a) Standart execution: two positions controls for additional functions

Fig. 3-3

Arrangement of push buttons and switches in the control levers

Button -Switch

Function

S5L

S5M S5R

S6L S6M

S6R S55

S55

S57

3-4

MJFCIFSS

Caution!

b) optional execution from May 2010: Joystick levers with proportional mini joystick for additional functions

Fig. 3-4

Control levers with push buttons, switches and mini joysticks

Button -Switch

Function

A185 X+ A185 XA185 Y+ A185 YA186 X+ A186 XA186 Y+ A186 YS5L

MJFCIFSS

3-5

Button -Switch

Function

S5R S6L

S6R S55

S57

Caution!

S251

S252

3-6

MJFCIFSS

3.1.3

Control unit

Fig. 3-5 M

Excavator control unit

The function of the push buttons marked with (M) are memorized when the excavator is stopped.

This means that, when turning on the excavator, the controlled function recovers the previous state (on-off, 1-2, I-C, ...) before the machine had been turned off

MJFCIFSS

3-7

3-8

S10

Working floodlights

S11

Windshield washer

S14

Windshield wiper

S17

Preselection of swing brake operating mode

MJFCIFSS

S18

Overload warning device (optional equipment)

S19

Rotating device (optional equipment)

S20

Engine low idle automatic

Adjustment of the time lag for low idle automatic

MJFCIFSS

3-9

3 - 10

S21

Travel speed increase

S22

Auxiliary floodlights (optional equipment)

S36

No function

S41

Rotating beacon (optional equipment)

S56

Working pressure increase (optional equipment)

S85

No function

MJFCIFSS

S86

Operating mode preselection

L F E P

P4

Engine RPM indicator

S228

Engine RPM increase

S229

Engine RPM decrease

S354

No function

MJFCIFSS

3 - 11

3.1.4

Monitoring display

Fig. 3-6

3 - 12

Monitoring display

A B

H24 P2

C D

P2.1 P3

H2

P3.1

H12

S349

H19

S350

H20 H23

S351 S352

MJFCIFSS

Area A : Display of analog-values P2

Diesel engine coolant temperature gauge

P2.1

P2 E 503

E 523

P3 – Fuel level display

P3.1

MJFCIFSS

3 - 13

Area B :Indicator lights H2 – Indicator light, low engine oil pressure

E 501

E 522

H12

Indicator light, battery charge

H19 – No function

H20 – No function

H23 – No function

H24 – No function

3 - 14

MJFCIFSS

Area D : Menu control keys

Fig. 3-7

Menu control keys

S349 Back S350 Down S351 Up S352 Menu

Area C: LCD Screen To change the contrast of the LCD screen: Menu

Up

Down

To change the brightness of the LCD screen: Back

Up

Down

Note

To change the brightness and the contrast setting to the initial setting:

Up

Down

MJFCIFSS

3 - 15

3.1.5

Main screen Menu

Fig. 3-8

Main screen - Division into four fields

EC

SY

INF

TI

Constitution of the main screen SY field

EC field

Up

Down

INF field

3 - 16

MJFCIFSS

TI field

"

Control of the screen at error recognition

Danger!

Back

Warning symbols in the SY field A) Warning symbols for operating faults

MJFCIFSS

3 - 17

E 502 – Low coolant level

Caution!

3 - 18

E 503

Coolant overheat - Warning stage

E 504

Low hydraulic oil level

E 505

Hydraulic oil overheat

E 506

Splitterbox oil overheat

E 511

High voltage of batteries

MJFCIFSS

E 512 – Under voltage for the Diesel control system

E 513 – Over voltage for the Diesel control system

E 516

Safety shut off for EDC default

E 517 – Safety shut off for injector default

E 518 – Safety shut off for starting synchronisation default

E 519 – Overspeed of Diesel engine - Warning stage

E 520 – Overspeed of Diesel engine - Safety stage

E 521 – Both engine RPM sensors defective

E 522 – Low engine oil pressure - Safety stage

E 523 – Coolant overheat - Safety stage

E 524 – Boost air overheat - Safety stage

MJFCIFSS

3 - 19

E 525 – Engine in safety mode

E 526 – Fuel overheat - Warning stage

E 527 – Fuel overheat - Safety stage

E 528 – High water level in the fuel filter

E 530 – Centralized symbol - safety limit exceeded

E 532 – Low fuel pressure - Warning stage

E 533 – Low fuel pressure - Safety stage

E 534 – High fuel pressure - Warning stage

E 535 – High fuel pressure - Safety stage

E 536 – Low fuel pressure in Rail 1 - Warning stage

E 537 – Low fuel pressure in Rail 1 - Safety stage

3 - 20

MJFCIFSS

E 538 – Low fuel pressure in Rail 2 - Warning stage

E 539 – Low fuel pressure in Rail 2 - Safety stage

E 597 – Boost air overheat - Warning stage

Tab. 3-1

Warning symbols for operating faults with corresponding error codes

B) Warning symbols for special operating states und system errors

Quick change adapter (optional equipment)

One or several solenoid valves are off in the servo control circuit

Servo control pressure too low

Internal default in Master module (U47)

Internal default in one Slave module

CAN communication default

MJFCIFSS

3 - 21

Tab. 3-2

Warning symbols for special operating sequences and system errors

Information symbols in the INF field Preheating

End of preheating End of preheating Manual Diesel speed adjustment

Service due

Acknowledge error E5xx type error code

back “Increased care required” - servo-control circuit in safety mode S73 Swing brake not operative

Servo control operation changed S73

3 - 22

MJFCIFSS

Overload warning device (optional equipment)

No overload warning device recognized S18

Warm up procedure

Working pumps swivelled back to minimum delivery

Diesel engine stop

Current air bleeding procedure

Air bleeding procedure achieved

Pontoon operation

Hydraulic system failure

MJFCIFSS

3 - 23

Information provided in the menus (Software Version V6.0) Menu selection from main screen:

Fig. 3-9

Main screen

Menu

Fig. 3-10

List of menus

To select a menu: Down

Up

Reset daily operating hours Menu Back

Symbol of menu

3 - 24

Denomination of menu

MJFCIFSS

Role of the menu

Symbol of menu

Tab. 3-3

Denomination of menu

Role of the menu

Overview of the possible menus

Menü "Reset Data" - reset of daily operating hours counter

Fig. 3-11

Resetting the daily operating hours counter Up Menu Up

Down

Menu

To exit the menu: Back

MJFCIFSS

3 - 25

Menu "Set Service" - confirmation of the execution of a service work

Fig. 3-12

Menu "Set Service"

Up Menu

Back

Menu "Set option" - selection of the flow and pressure limitations

Caution!

3 - 26

MJFCIFSS

Fig. 3-13

Menu "Set option"

EV1

EV2

EV6

Note!

Up

Down

to select another attachment

Menu

To exit the menu: Back

MJFCIFSS

3 - 27

Fig. 3-14

Main screen, the choosen option is displayed

1

2

Note!

Menu "Info-hours" - operating hours of components, duration of processes, ..

Fig. 3-15

Menu "Info Hours" operating hours of Diesel engine

Menu

3 - 28

MJFCIFSS

Fig. 3-16

Menu "Info Hours" duration of the various movements Menu

Menu

Fig. 3-17

Menu "Info Hours" general machine data

MJFCIFSS

3 - 29

Menu

Fig. 3-18

Menu "Info Hours" Data of the Master modul of the machine

Menu

To exit the menu: Back

Menu "Info In/Outputs"- Status of hydraulic pumps and of electrical inputs and outputs

Fig. 3-19

3 - 30

Menu "Info In/Outputs" Active flow and pressure limitations

MJFCIFSS

Note!

Menu

Fig. 3-20

Menu "Info In/outputs" Currents to the solenoid valves LR and EV5 Menu

Menu

MJFCIFSS

3 - 31

3 - 32

Fig. 3-21

Menu "Info In/outputs" Status of electrical inputs and outputs

Fig. 3-22

Menu "Info In/outputs" Status of electrical inputs and outputs

MJFCIFSS

Menu

Fig. 3-23

Menu "Info In/outputs" Currents to the regulation valves on the spools

Fig. 3-24

Menu "Info In/outputs" Currents to the regulation solenoid valves for swing movements and pressureless lowering

MJFCIFSS

3 - 33

Fig. 3-25

Menu "Info In/outputs" Output signals of joysticks and pedals

Fig. 3-26

Menu "Info In/outputs" Presentation of actuated servo control units

To exit the menu: Back

Menu "i-errors" - operating faults and electrical system errors

Fig. 3-27

3 - 34

Menu "i-errors" Display of the memorized errors

MJFCIFSS

list Exxx list E-elec list S-Exxx Exxx

list

To select the desired error type: Down

Up

Menu Down

Up

"list Exxx": Operating faults

Fig. 3-28

List of the operating faults (fig. left) and occurrences of a fault (fig. right) list Exxx Menu

Down

Up

Menu

Back Back

Down

Up

Back

MJFCIFSS

3 - 35

Notice!

E 5xx

list Exxx

Back Down

Up

Back

"list E-elec.": Errors of the electrical system

Fig. 3-29

List of the electrical errors list E-elec."

Menu

Back Down

Menu

"list S-Exxx": Operating faults in service mode

Fig. 3-30

3 - 36

List of operating faults appeared in service mode

MJFCIFSS

list S-Exxx

list

Exxx

Menu "set clock" - Time setting

Fig. 3-31

Setting of the clock

UP

DOWN

MENU

Enter

Fig. 3-32

Confirmation of the storage of the new time

MJFCIFSS

3 - 37

3.1.6

Controls on side control desks

Fig. 3-33

Switches and control lights on the side control desks

Note:

S41 – Selector switch / Emergency lowering movements

S42

Touch / Emergency lowering of working attachment

Note:

3 - 38

S84-1

Touch / Central lubrication of attachment and swing ring roller races

S84-2

Touch / Central lubrication of swing ring teeth

MJFCIFSS

S218 – Touch / Cab roof window wiper

S248 – Touch / Air bleeding of main control valves

MJFCIFSS

3 - 39

3.1.7

Controls and instrumentation for optional equipments

Fig. 3-34

H90

3 - 40

Controls for optional equipments

Control light / Rotation in opposite direction of reversible fan

MJFCIFSS

H292

Control light / Special control system

S26

Touch / Fuel preheater

S40

Touch / Frequency commutation for hydraulic hammer

S41 – Rotary switch / Emergency lowering of attachment parts

S42

Touch / Emergency lowering of working attachment

S45

Touch / Priority for special equipment

S46

Touch / Lifting magnet operation

S47

Push button / Quick change adapter

S53

Touch / Special control circuit supply

MJFCIFSS

3 - 41

S54

Rotary switch / Unlocking of cylinder end position

S74

Code key switch / Anti-theft protection system

S76

Touch / Travel parking brake

S77

Touch / Pressurized driver's cab

S78 - Push button / Height adjustable cab - emergency down

S79

Touch / Flow divider for special attachment

S84-1

Touch / Central lubrication of attachment and swing ring roller races

S84-2

Touch / Central lubrication of swing ring teeth

S90 Potentiometer / Intermittent mode of the cab roof window wiper

3 - 42

MJFCIFSS

S98

Touch / Low pressure protection for boom cylinders

S104

Touch / Hydraulic width adjustment of undercarriage

S114

Key switch / Control of a special attachments with the joysticks

S121

Touch / Float position of working attachment on pontoon excavator

S122

Touch / Operation of the air compressor

S123 – Rotary switch / Excavator operation - Pontoon operation

S125

Touch / Deactivation of the travel motions

S157

Touch / Flow reduction for special tools

MJFCIFSS

3 - 43

S160

Push button / Control of reversible fan in opposite direction

S168 Key switch / Oil flow limitation when operating a super long working attachment

S200 – Rotary switch / Height adjustable cab - up or down

S218

Touch / Cab roof window wiper

S232

Control unit / Standstill cab heater

S247

Key switch / Commutation Normalized control system - Special

control system

S248 – Touch / Air bleeding of main control valves

3 - 44

S275

Touch / Additional floodlight on rear of cab roof

S276

Touch / Additional floodlight on counterweight

MJFCIFSS

S358

3.1.8

Push button / Washer for cab roof window

Display for LIEBHERR particle filter (optional).

A175

Fig. 3-35

Control unit A175

A

B

C

D

E G

F A175

Use / monitoring of the particle filter system

MJFCIFSS

3 - 45

F F Following menus could be displayed: – "Exhaust back pressure (mbar)" – "Exhaust back pressure (mbar) / Exhaust temperature 1 (°C)

– "Exhaust back pressure (mbar) / Exhaust temperature 2 (°C)

– "Exhaust back pressure (mbar) / Speed (rpm)

Note:

3.2 Access and equipment of the cab Safely getting up

3 - 46

MJFCIFSS

Safely getting down

3.2.1

Entering or leaving the cab Caution!

Fig. 3-36

Climb up and leave the cab using handrails and steps

MJFCIFSS

3 - 47

Getting in the cab

Fig. 3-37

Cab door outer side

1

2

11

11

1 2

4. .

Getting out the cab Caution!

Fig. 3-38

Cab door inner side

3

3 - 48

4

MJFCIFSS

3 2

4

3.2.2

The safety lever

Fig. 3-39

Safety lever

Caution !

S17 S17

MJFCIFSS

3 - 49

3.2.3

Operator’s seat

Fig. 3-40

Standard operator’ seat (Fig. left) and air-cushioned (Fig. right, optional extra)

1

4b

7

2

5

8

3 4a

6

10

Setting the armrests

Fig. 3-41

3 - 50

Setting the armrests 3

a

3

b

MJFCIFSS

Setting the seat and backrest

Fig. 3-42

Setting the seat and backrest 4a 4b 10

Setting the horizontal seat position

Fig. 3-43

Setting the horizontal 1 2

MJFCIFSS

3 - 51

Setting the seat springs

Fig. 3-44

Setting the seat springs 5

Options setting (optional extras)

Fig. 3-45

Switch bar on the air-cushioned operator’s seat

To set the vibration damping: 5 +

-

To set the lumbar support: 6 +

-

7 +

-

To set the seat heating: 8

3 - 52

MJFCIFSS

Putting on / releasing the safety belt

Fig. 3-46

Safety belt

2

1 3

Danger!

4 1

3.2.4

Windscreen

Fig. 3-47

Locked positions of the windscreen

a b

MJFCIFSS

3 - 53

Caution!

To change the position of the windscreen 1 2 b

3.2.5

1

Sunshade

Fig. 3-48

Sunshades at windscreen and at cab roof

Maneuvering the sunshade at the windscreen 1 2 Maneuvering the sunshade at the cab roof

3 - 54

MJFCIFSS

a

3.2.6

Emergency exit – rear window

Fig. 3-49

Emergency exit – rear window 2 1

Note !

3.2.7

Interior lighting

Fig. 3-50

Dome light for cab interior lighting 1 1 1

2 3

1

3.2.8

Fire extinguisher*

MJFCIFSS

3 - 55

Fig. 3-51

Possible locations for fixing the fire extinguisher

Note!

Caution!

3.2.9

3 - 56

The heater and air conditioner

MJFCIFSS

Control unit of the heating and air conditioning system

Fig. 3-52

Control unit of the airco system

Control keys

Indications at the LCD display

1 – Air conditioning (cooling) 2 – Increase cab temperature 3 – Decrease cab temperature 4 – Control ON / OFF 5 – Evaporator fan speed – manual / automatic 6 – REHEAT operation 7 – Heating – manual / automatic 8 – Fresh air / recirculated air 9 – Air flap to rear wall vent OPEN / CLOSED 10 – Air flap to right control panel (8b) OPEN / CLOSED 11 – Air flap to front window, legroom CENTER / CLOSED 12 – Air flap tofront windshield, legroom CENTER / OPEN

13 – Air circulation 14 – REHEAT operation 15 – Air conditioning (cooling) 16 – Air flap to rear wall OPEN 17 – Air flap to right control panel (8b) OPEN 18 – Air flap to front windshield, legroom CENTER 19 – Air flap to front windshield, legroom OPEN 20 – Automatic operation 21 – Bar graph indicator for fan speed 22 – Symbol, fan speed (in manual operation) 23 – Symbol, heater operation (in manual operation) 24 – Bar graph indicator for heating output 25 – Temperature value or error code 26 – Temperature unit (°)

Note!

F1-F5

MJFCIFSS

3 - 57

Turning the control unit on

Fig. 3-53

Turning the control unit on and setting the cab temperature 4

AUTO

Setting the desired cab temperature 25 2 3

Manual setting of the heating output

Fig. 3-54

Setting of the heating output and of the fan speed 7

2 7

Manual setting of the fan speed

3 - 58

MJFCIFSS

3

(20)

2

3

Air conditioning operation

Fig. 3-55

Air conditioning operation and Reheat-operation 1 15

15 Note!

Reheat-operation

6 14

6

MJFCIFSS

3 - 59

Note!

6

Recirculated air and fresh air operation

Fig. 3-56

Recirculated air and fresh air operation

8

13

13

Note!

The best heating, resp. cooling effect is reached in recirculated air operation!

Air repartition

8a 8b 8c 8d

3 - 60

MJFCIFSS

Fig. 3-57

Air repartition in the cab

heating 8c air conditioner operation 8d 8b 12

8a 8b 10 11

12 9

Note!

MJFCIFSS

3 - 61

Changing the temperature from °Celsius to °Fahrenheit

Fig. 3-58

Switching over °Celsius - °Fahrenheit 8

3.2.10

Additional standstill heater (Option)

Operating the standstill heater Notice!

SH

3 - 62

MJFCIFSS

Fig. 3-59

Indication of the standstill heater operation on the control unit of the main air conditioner

Notice!

The control unit of the standstill heater

MJFCIFSS

3 - 63

Functioning of the additional standstill heater

Operation of the heater using the mini-clock

3 - 64

MJFCIFSS

Setting functions on the mini-Clock Notice!

Setting-up for the first time:

Setting the current time:

Note!

Setting the heating time:

Setting the preset times:

MJFCIFSS

3 - 65

Operating functions of the Mini-Clock Switching on the heater:

Turning off the heater:

Continuous operation:

Activating / deactivating the preset time:

3.3 Setting the machine into operation Bringing the machine safely into service

3 - 66

MJFCIFSS

Adjusting the operator’s standing position

Protection from vibration - seat adjusting

Utilisation in confined spaces

Starting the machine safely

Stopping the machine safely

MJFCIFSS

3 - 67

3.3.1

Before starting the machine General information Note!

Activities before starting Caution!

Caution!

3 - 68

MJFCIFSS

3.3.2

Turning on the electrical system Positions of the ignition key

Fig. 3-60

Ignition switch

0 1

2 3

P

Switching on the electrical system

1 1

Note!

S22

MJFCIFSS

3 - 69

Display of the term of the next service work

Fig. 3-61

3.3.3

Display of the term of upcoming maintenance works

Starting the Diesel engine Note !

0

Starting procedure 3

Starting procedure for low temperatures

Preheating ON 1 1 Preheating ON Preheating END

3 - 70

MJFCIFSS

Preheating END

3

Starting procedure for exterior temperature below -18 °C (0 °F).

3.3.4

Speed adjustment and operating modes

Fig. 3-62

Speed adjustment and operating modes selection P4 S86

- orS228

S229

Engine speed and operating mode selection via the mode switch S86 L F E P S86

MJFCIFSS

3 - 71

Engine speed adjustment using the arrow keys To increase the speed: S228 P4 To decrease the speed: S229 P4 S228

Fig. 3-63

S229.

Engine speed adjustment via the arrow keys S228 and S229

S86

Lowering of the engine speed via the "low idle automatic" function S20,

3 - 72

MJFCIFSS

3.3.5

Notes after starting the engine Danger!

Caution!

3.3.6

Warm-up phase for Diesel engine and hydraulic circuit Diesel engine

P2 Note !

Hydraulic oil

Note !

MJFCIFSS

3 - 73

3.3.7

Switching the Diesel engine off Caution

S229 P4

Emergency stop of the Diesel engine (Option)

Caution!

S2-1

Fig. 3-64

3 - 74

S34

Emergency off switches on keyboard and on uppercarriage structure

MJFCIFSS

Danger!

Diesel engine stop with after running (Option)

S229 P4 0"

Notice !

3.3.8

Starting aids Fuel preheating S26 (optional extra)

S26

MJFCIFSS

3 - 75

Coolant / engine oil / hydraulic oil preheating (optional extra)

Fig. 3-65

Coolant / motor oil / hydraulic oil preheating

1

5

2

6

3

7

4

8

8 4 1 5 2 6 3 8

3 - 76

MJFCIFSS

3.3.9

Jump start procedure Danger!

Connecting the batteries

Caution!

Disconnecting the batteries

3.3.10

Anti-theft device with code key (option)

Fig. 3-66

Electronic anti-theft device

MJFCIFSS

3 - 77

1

3.3.11

Immobilizer with electronic ignition key (option) System description

Activation of the immobilizer

Note!

Deactivation of the immobilizer

Note!

Master key and operation keys

3 - 78

S74

MJFCIFSS

Fig. 3-67

Ignition switch with immobilizer via electronic operation keys

5

6

Imprinting procedure of an operation key

Note!

Deleting imprinted operating keys

MJFCIFSS

3 - 79

Note!

The code of the master key will not be deleted during the deletion procedure

Operation security

Function security

3.4 Working with the machine Working safely with the machine

• warn any personnel in the vicinity not to come close to the excavator and not to touch it,

3 - 80

MJFCIFSS

MJFCIFSS

3 - 81

Safe use with a hydraulic hammer

3 - 82

MJFCIFSS

Safe use when loading and unloading (particularly when loading and unloading wood)

Safe use of machines with tower elevation

MJFCIFSS

3 - 83

(Caution! swinging grab)

Protection from vibration

3 - 84

MJFCIFSS

3.4.1

The travel movements Straight travel

Fig. 3-68

Straight travel

1

5

2

6

Caution!

1 2 Travelling forwards: 5a

MJFCIFSS

6a

3 - 85

Travelling backwards: 5b

6b

Caution!

Turning over one track

Fig. 3-69

Turning over one track

Turning right: 5

5a

Turning left: 6

6a

Notice!

Counter rotation

Fig. 3-70

Counter rotation

Turning right: 5

5a 6

3 - 86

MJFCIFSS

6b

Turning left: 6

6a 5

5b

Danger!

Levers for manual control of travel movements

Fig. 3-71

Levers for manual travelling control

Travel speed preselection travel in normal speed travel in increased speed S21 S21

MJFCIFSS

3 - 87

S21

3.4.1.1

1

S21

1

S21

The travel brakes

The hydraulic operating brakes 6

Caution!

3 - 88

MJFCIFSS

Fig. 3-72

Arrangement of mechanical brakes 5 and hydraulic brake valves 6

The mechanical stop and parking brake 5

Limit of gradeability Danger!

Note!

MJFCIFSS

3 - 89

Travelling up

Fig. 3-73

Travelling up

Travelling down

Fig. 3-74

3.4.2

Travelling down

Drive warning device (optional extra)

Fig. 3-75

Drive warning device 5

3 - 90

6

MJFCIFSS

Deactivating the drive warning device: S6R

3

S5R

4

Caution!

S6R

Note!

3.4.3

The uppercarriage swing movements U20

Fig. 3-76

Uppercarriage swing movements

Caution!

U20

normal control, according to ISO-standards

U20

c d

Braking the uppercarriage

MJFCIFSS

3 - 91

The hydraulic swing brake U20

U20

The mechanical swing brake

S17

a) Semi - automatic control of the swing brake: (Serial situation up to 09-2010) S17

S17 S57 S57

Caution!

S57 U20 U20 S57,

Note!

S17 S57

3 - 92

MJFCIFSS

S17

b) Automatic control of the swing brake: (Serial situation from 09-2010, optionally mounted before) S17 S17

Caution!

U20 U20

S17 S17

Ermergency stop of the uppercarriage swing motion S17 Caution !

S17

To check the mechanical swing gear brake: S17 S17 4

The positioning swing brake (option)

MJFCIFSS

3 - 93

Fig. 3-77

Positioning swing brake pedal

Note!

10

3.4.4

Working position

Fig. 3-78

Working position of the machine

Note!

3 - 94

MJFCIFSS

3.4.5

Working attachment control Caution! normal control, according to ISO-standards

Control of the stick cylinder 4

Fig. 3-79

Stick cylinder control 4

(a) 4

(b)

Control of the boom cylinders 3

Fig. 3-80

Boom cylinders control 3

(g) 3

(h)

MJFCIFSS

3 - 95

Float position of the boom with shovel attachment

3

h.

S6M

Fig. 3-81

3

Float position of the boom cylinders with a shovel attachment

Note!

3

Control of the bucket or grapple cylinders 3

Fig. 3-82

Operation of the bucket or grapple cylinders 3

3 - 96

e

MJFCIFSS

3

f

Danger Never allow anybody to guide the grapple by hand!

Combined movements

3.4.6

Lowering the working attachment with the engine shut down

Note

Fig. 3-83

Lowering the attachment with shut down engine 1

3.4.7

Control of a rotating device

MJFCIFSS

3 - 97

Fig. 3-84

Rotating device activation (S19) and control (S5L/S5R)

S19

S5L

Fig. 3-85

Movement of rotating devices S5R

S5L S5R Caution!

3 - 98

MJFCIFSS

3.4.8

Lifting magnet control system (optional equipment)

S46 S46

S228 S229

S86

S20

S6L

Fig. 3-86

Lifting magnet control system

Danger!

S6L S6L

S6L

Caution!

4

S55 S6L S55 S55

MJFCIFSS

3 - 99

3.4.9

3 - 100

Control of special equipments via the additional pedals

Fig. 3-87

Special equipments controlled by the additional pedals

Fig. 3-88

Disposition of the additional pedals

MJFCIFSS

Danger!

Caution!

Notice!

Control of the hydraulic hammer

m

Fig. 3-89

Control of a hydraulic hammer

MJFCIFSS

3 - 101

Note!

Control of a bottom dump shovel n p

Fig. 3-90

Control of the flap of a bottom dump shovel

Control of the other special equipments

m

k

3 - 102

MJFCIFSS

3.4.10

Commutation of the controls for an additional user AHS (special equipment)

e

f

3.

Fig. 3-91

Commutation of the control for an AHS add on kit user

Danger!

Caution!

!

S114 S114

joystick

S114 S114

MJFCIFSS

foot pedal

3 - 103

S114

3.4.11

Special control system of the joysticks (Option)

S247

Fig. 3-92

Example for a special control system

Danger!

With switched on special control system, the correspondence between deflection directions at the joystick levers induiced working movements is changed.

There is danger of accident due to possible releasing of an unintentional movement by an not informed excavator driver.

With the key removed from the switch S247, the excavator can be operated only according to ISO-control-system.

It is the responsibility of the owner of the machine to decide which operator must or is approved to operate the excavator with the special control system.

S247 H292

3 - 104

MJFCIFSS

Fig. 3-93

Instruction plate A and warning plate B

Caution!

3.4.12

Cut off by end switches of attachment movements (option) Function

MJFCIFSS

3 - 105

Danger!

The disconnection of a cylinder movement does not constitute a safety device! It must only be considered as an assistance to the driver during actuation of a movement near a zone to be avoided !

Caution!

Danger!

You must keep a safety margin from at least 1.5 m to the dangerous position.

Note!

Adjustment of the cut off point Prerequesite:

3 - 106

MJFCIFSS

Fig. 3-94

Cut off position of an industrial stick

Setting

Fig. 3-95

Setting of the proximity switch

MJFCIFSS

3 - 107

Note !

Unlocking of movements cut off

Fig. 3-96

Switch for the unlocking of attachment movements cut off S54

Danger!

The displacement of attachment parts within a range normally prohibited by a cylinder cut off can bring to a situation presenting a danger for injury of persons and/or damage of material.

The operator is in all the cases responsible for the accidents which can occur when the attachment is working inside the zone of danger while keeping unlocked a cylinder movement cut off.

Note!

3 - 108

MJFCIFSS

3.4.13

Use of the excavator for lifting loads overhead

Danger!

a load hooking system ensuring the safe attaching and removing of the loads (optional equipment)

an overload warning device (optional extra)

a boom lowering control device

a rated lift capacity chart If the points referred to above are not or are only partially fulfilled, the machine may not be used for lifting loads overhead.

Danger!

MJFCIFSS

3 - 109

3.4.14

Overload warning device (Option) General

Note!

Using the overload warning device Danger!

Mode of operation

3 - 110

MJFCIFSS

Starting the overload warning device Danger!

S18

The operator must check the function of the overload warning device before each work shift.

Caution!

Deactivation of the overload warning device Note!

S18

3.4.15

Hydraulically adjustable cab (option)

Danger!

MJFCIFSS

3 - 111

S200

Fig. 3-97

Hydraulic adjustment of the cab

Raising the driver’s cab: S200 S200 Lowering the driver’s cab: S200 S200

Emergency operations

Emergency lowering from inside the cab:

Fig. 3-98

Shutoff valve in the cab 2 2 1

3 - 112

MJFCIFSS

Notice!

2

Emergency lowering from outside:

Fig. 3-99

Shutoff valve

Danger!

2 2 1 Notice!

2

Repair and maintenance Danger!

MJFCIFSS

3 - 113

Cab adjustable on sliding rails (option)

Notice!

S79 15, Emergency lowering from the outside of the cab: S79 S79

Fig. 3-100 External push button for emergency lowering

3.5 Operating the excavator in safety modes 3.5.1

3 - 114

Board E52 for safety mode of Diesel engine & servo control

MJFCIFSS

Fig. 3-101 Control board for safety operation E52 E52

S71

H11

S72

H60

S73

Starting the Diesel engine in safety mode

H11 S71a

Safety operation of the Diesel engine

Notice !

MJFCIFSS

3 - 115

Caution!

In case the warning light H60 lights up, the operator must shut the engine down as soon as possible and recognize which error has occurred It's the operator's own responsibility to decide if the machine can be maintained operating or not!

Diesel engine RPM adjustment in safety mode

Fig. 3-102 Emergency control of the engine RPM S72 S72 Notice !

When the engine is switched automatically into safety operation, the current engine speed is maintained as long as the engine is not shutdown.

Safety operation of the servo control circuits

3 - 116

MJFCIFSS

Fig. 3-103 Safety mode of servo circuits - Safety switch and symbols at the display

S73

Danger!

The safety mode must be turned on only temporarily and in order to move the machine for emergency reasons and when, due to a trouble in the normal control circuit, releasing the swing brake or supplying the pilot controls is hindered.

In safety mode, the swing brake will be released as soon as the ignition key is turned to contact position, and the normal brake control is out of function

Note !

3.5.2

Safety operation of the main working pumps

MJFCIFSS

3 - 117

Fig. 3-104 Switching the main pumps in safety operation

1

Y50

2 3

3.5.3

Emergency attachment lowering with defective servo circuit

Fig. 3-105 Emergency lowering of the attachment

3 - 118

MJFCIFSS

Preselection of emergency lowering movements (Option)

Hinweis

Position of preselection switch S41

3.5.4

Induced movement for emergency lowering Demolition attachment

Industrial attachment

Emergency supply of the boom cylinders (optional)

MJFCIFSS

3 - 119

Caution!

Fig. 3-106 Device for emergency supply of the boom cylinders To connect an external pressure source:

Note !

To raise the working attachment:

3 - 120

MJFCIFSS

To lower the working attachment:

After ending the attachment movement with the external pressure source:

3.5.5

Towing with the machine, emergency towing of the machine

Towing and lashing hooks and eyes on the undercarriage

MJFCIFSS

3 - 121

3 4 5

Caution!

3 - 122

MJFCIFSS

Danger!

Emergency towing of the excavator

3 2

Fig. 3-107 Fastening of the pulling device around the swing ring support Notice!

MJFCIFSS

3 - 123

Fig. 3-108 Releasing the travel brakes 6

7

8

Notice!

6

7 8

3.6 Removal and installation of attachment parts Attaching and removing equipment parts safely

3 - 124

MJFCIFSS

Removing and installing equipment bolts safely

MJFCIFSS

3 - 125

3.6.1

Removal and installation of a bucket

Fig. 3-109 Removing and installing the bucket 1 2

222 232

3-4 5-6

25 25.1

7

25.2 25.3

To remove a bucket

5 3

6 4

25 4

3 - 126

MJFCIFSS

To reinstall a new bucket

A 4

25 25 25.1

4

6 7 B

3

25 25 25.1

3

5 3

4

Note!

222

MJFCIFSS

232

3 - 127

3.6.2

Attaching and dismounting the bucket with improved sealing

Fig. 3-110 Attaching and dismounting the bucket 1

7

2 1.1

8 9

2.1 3-4

222 232

5-6

3 - 128

MJFCIFSS

Dismounting a bucket

5

6 8

9

1.1 3

4 4 9

Attaching a new bucket 1 9

1.1 7

A 4

6 7 B

3 2.1

5 9 D

1.1 8 3

4

Note!

222

MJFCIFSS

232

3 - 129

3.6.3

Attaching and dismounting the grab on stick

Fig. 3-111 Attaching and dismounting the grab on the stick 1

11

4

12

6

13

7

14

8

15

9

25

10

3 - 130

MJFCIFSS

Danger!

Attaching the grab

7

9

8

10

1 4 4

25 6 11

12 13

14

Operating the grab

15 A B 15

B

B

Note

15 4

MJFCIFSS

3 - 131

Dismounting the grab

15

A

11

12

A

13

14

6

3 - 132

MJFCIFSS

4

25 4

3.6.4

Attaching and dismounting the grab on the industrial stanchion

Fig. 3-112 Attaching and dismounting the grab on the industrial stanchion

Danger!

Attaching the grab

1 4

MJFCIFSS

6

3 - 133

11

12 13

14

Operating the grab

Dismounting the grab

11

12

14

6

3 - 134

4

MJFCIFSS

13

3.6.5

Attaching and dismounting the stick to the boom

Fig. 3-113 Attaching and dismounting the stick to the boom 7 16

20 21

17 18

222

Dismounting the stick Figure A

7

MJFCIFSS

3 - 135

16 17 16

17

Figure B then

17 in the rear bearing of the stick and secure it with the plate, 17 18 21

18 20

20

Attaching the stick (or stick with bucket) Figure B then

17 in the rear bearing of the stick and secure it with the plate, 17 18

20 20 and

20

17 21

18

Figure A 16

17

3 - 136

MJFCIFSS

Note 222

3.6.6

Mechanical quick-change adapter (optional extra) Safety information

Overview

Fig. 3-114 1

3

5

2

4

6

MJFCIFSS

3 - 137

Attaching the work tool To move the equipment into position:

Fig. 3-115 Positioning the equipment

To unlock the quick-change adapter: Danger!

2

3 3 1

Taking up the work tool:

Fig. 3-116 Taking up the work tool

3 - 138

MJFCIFSS

1 1

To lock the quick-change adapter:

Fig. 3-117 Locking the quick-change adapter Danger!

3

1

1 2 Danger!

4 2 2

Caution!

MJFCIFSS

3 - 139

Detaching a work tool To move the equipment into position: Caution!

To unlock the quick-change adapter:

Fig. 3-118 Unlocking the quick-change adapter Danger!

2

3 3

1 1

1 To put down the work tool:

Fig. 3-119 Putting down the work tool

3 - 140

MJFCIFSS

Using the quick-change adapter for hoisting work

Fig. 3-120 Mechanical quick-change adapter

Danger!

6

3.6.7

Hydraulic quick-change adapter (optional extra) Safety information

MJFCIFSS

3 - 141

Overview

Fig. 3-121 Hydraulic quick-change adapter 1

3 - 142

5

MJFCIFSS

6

Operating elements

Fig. 3-122 Operating elements for the hydraulic quick-change adapter

Switch S19 S19

Key switch S47

Pushbuttons L and R L R

Fig. 3-123 Pushbutton on the joystick E

F

MJFCIFSS

3 - 143

Symbol "Quick change adapter"

Two-hand operation S47

L

R

L

S47 S47

L

R

Caution !

S47

Attaching the work tool To move the equipment into position:

Fig. 3-124 Positioning the equipment

To unlock the quick-change adapter: S19

S47 R

3 - 144

MJFCIFSS

R

Taking up the work tool:

Fig. 3-125 Taking up the work tool, first step

Fig. 3-126 Taking up the work tool, secondary step

To lock the quick-change adapter: S19

S47 L

S47 S19

Caution!

MJFCIFSS

3 - 145

Danger!

Detaching a work tool To move the equipment into position: Caution!

To unlock the quick-change adapter:

Fig. 3-127 To unlock the quick-change adapter

3 - 146

MJFCIFSS

Danger!

S19

S47 R

To put down the work tool:

Fig. 3-128 Putting down the work tool

Using the quick-change adapter for lifting work

Fig. 3-129 Hydraulic quick-change adapter

MJFCIFSS

3 - 147

Danger!

6

S19 S47

To cancel the buzzer (warning tone)

S349

3.6.8

3 - 148

LIKUFIX – hydraulic coupling system (optional extra)

MJFCIFSS

Overview

Fig. 3-130 LIKUFIX 1

4

2

5

3

Attaching and dismounting work tools

Fig. 3-131 Connecting LIKUFIX

1 2 3

MJFCIFSS

4

3 - 149

1

2

Attaching LIKUFIX work tools to a quick-change adapter without LIKUFIX

Fig. 3-132 LIKUFIX work tool on quick-change adapter without LIKUFIX Caution!

6

4 5

3 - 150

MJFCIFSS

3.7 General working methods 3.7.1

Minimum impact working methods for your machine

3.7.2

Preparatory activities Danger!

Fig. 3-133 Working position – machine

MJFCIFSS

3 - 151

Danger! not

Fig. 3-134 Safe working Danger! r

Caution!

3.7.3

Using a backhoe bucket Danger!

3 - 152

MJFCIFSS

Fig. 3-135 Aligning the stick and backhoe bucket

Fig. 3-136 Taking up grab material

Fig. 3-137 Raising grab material

MJFCIFSS

3 - 153

3.7.4

Loading a transport vehicle Danger!

Fig. 3-138 Emptying grab material

3.7.5

3 - 154

Skimming

MJFCIFSS

Fig. 3-139 Skimming

Danger!

Caution!

3.7.6

Using a clamshell bucket (earthmoving attachment) Danger!

MJFCIFSS

3 - 155

Fig. 3-140 Straightening the stick

Fig. 3-141 Closing the grab shells

Danger!

3 - 156

MJFCIFSS

Fig. 3-142 Raising grab material

Fig. 3-143 Emptying grab material

MJFCIFSS

3 - 157

3.7.7

Using a multiple tine grapple (industrial attachment)

Fig. 3-144 Taking up the load

Fig. 3-145 Transporting a load

Caution!

3 - 158

MJFCIFSS

3.7.8

Using an hydraulic hammer

Danger!

Fig. 3-146 Hydraulic hammer

MJFCIFSS

3 - 159

Fig. 3-147 Permissible A and not permissible B work areas of the machine with hydraulic hammer Danger!

A

3.7.9

Working with a bottom dump bucket

Filling the bottom dump shovel Note!

3 - 160

MJFCIFSS

Fig. 3-148 Digging

Caution!

Unloading the bottom dump shovel

Fig. 3-149 Unloading the shovel

Note!

MJFCIFSS

3 - 161

3.8 Adjustment of undercarriage width (option) 3.8.1

Hydraulic adjustment of undercarriage width

Preparation for the track gauge adjustment

Caution!

Moving the side frames in and out

Fig. 3-150 Hydraulic adjustment of the tracks width

Fig. 3-151 Moving the side frames in and out

3 - 162

MJFCIFSS

Caution!

3.9 Installing & removing the serial counterweight Safety recommandations for installation and removal of the counterweight Danger!

Suspension of the counterweight

MJFCIFSS

3 - 163

Fig. 3-152 Lifting points of the counterweight - Lifting forces 2

3

4

6

Caution!

Machine modell - counterweight

3 - 164

MJFCIFSS

Force F [kN]

Force T [kN]

Machine modell - counterweight

Force F [kN]

Force T [kN]

Removal of the counterweight

3

Installation of the counterweight

Danger!

3

Caution!

3.10 Hydraulic removable counterweight

MJFCIFSS

3 - 165

3.10.1

Safety guidelines for lifting and lowering the counterweight Danger!

7

Fig. 3-153 Removing the counterweight with uppercarriage crosswise

3.10.2

Removal and lifting up of counterweight Level controlling the up and down movements 5

6 3 4

5 5

3 - 166

U D

MJFCIFSS

Fig. 3-154 Control lever to let down and lift up the counterweight Caution!

Removal of the additional counterweight (as necessary) 5

U 1 18 8.

5

D 17

1

7 2

Notice!

27 8 1

MJFCIFSS

3 - 167

26

25 8 2 1

26

26 1 25 7

1

2

7

17

Removal of the counterweight 5

U 1 2

5

12 D

2

Danger!

Xl

XC

Fig. 3-155 Notice the distance between counterweight and undercarriage 7

3 - 168

MJFCIFSS

1

2

Fig. 3-156 Installation of the connecting pins for main and additional counterweights 1

2

3 8

7 17

25 27

26

Installation of the counterweight 2 1

Xl

XC 5

U 1

5

D

7

2 7 5

1

U

7

2.

12 2 5

12 D

MJFCIFSS

3 - 169

Caution!

Installation of the additional counterweight (as necessary) Danger !

8

17 1

7 2

26

25 2 8

26 8 1 Xl

XC 1 27

8

7

1

8

7

5

17

U

8.

8 18 8 18 5

D

Tightening torques of the mounting bolts 12 Machine model

3 - 170

MJFCIFSS

2 R974C

Notice!

8

12

Fig. 3-157 Mounting bolts of the counterweight parts 2 3

12 13

8

18

11

21

24 18

8

Machine model

13

MJFCIFSS

R974C

3

3 - 171

Machine model

R974C

Note!

2 21

11

Machine model

R974C

Hinweis!

2

2

3.11 Transport Transporting the machine safely

3 - 172

MJFCIFSS

3.11.1

Transporting the excavator on flatbed trailers Caution

Loading the machine onto the trailer Bringing the machine onto the trailer:

MJFCIFSS

3 - 173

Fig. 3-158 Entering the flatbed trailer under the machine

Note

Danger!

To secure the machine on the flatbed trailer:

Danger!

3 - 174

MJFCIFSS

Fig. 3-159 To secure the machine using the stowage ears of the undercarriage

Note

Transport route Danger!

3.11.2

Loading the machine with a crane

MJFCIFSS

3 - 175

Danger!

Loading the complete basic machine

Fig. 3-160 Loading the machine with removed attachment and counterweight Removing the machine components:

3 - 176

MJFCIFSS

Caution!

6

Fig. 3-161 disconnection of quick couplings

Caution!

MJFCIFSS

3 - 177

Caution!

Attaching the liftling tools:

On machines R964C

Fig. 3-162 Installing the lifting tools to the basic machine R964C

3 - 178

MJFCIFSS

Fig. 3-163 Installing the lifting tools to the basic machine R974C Hooking the machine to the lifting crane:

Note

Machine modell

Fr (kN)

Ff (kN)

MJFCIFSS

L (mm)

H1(mm)

Lifting tool Order Nb

3 - 179

Note

Danger!

Loading the machine

Danger!

Securing the machine on the transport vehicle:

Fig. 3-164 Securing the machine (without sideframes) on the trailer

3 - 180

MJFCIFSS

Danger!

Unloading and reassembling the machine after transport:

Note

MJFCIFSS

3 - 181

3 - 182

MJFCIFSS

4 Malfunctions Warning messages and fault messages:

Identifying and rectifying faults and errors:

For each fault, therefore, read the relevant chapter in the operating instructions carefully once more.

Fig. 4-1

LIEBHERR service

If the cause of the fault cannot be recognised or rectified using the error codes and fault charts, please consult LIEBHERR customer service.

MJFCIFSS

4-1

4.1 Error code charts Danger!

4.1.1 Error code

Effect

Electrical errors in the engine control system (PLD-CR) Cause

Measure / remedy

S71

S72

S71

S72

Y50

Y50

4-2

MJFCIFSS

Error code

Effect

Cause

Measure / remedy S71

S72

S71

S72

S71

S72

Y50

Y50

Y50

MJFCIFSS

4-3

Error code

4-4

Effect

Cause

MJFCIFSS

Measure / remedy

Error code

Effect

Cause

Measure / remedy

Possible starting difficulties at low ambient temperatures

Left heater flange R51-1 is defective

Check, if necessary replace the heater flange R51-1 .

Possible starting difficulties at low ambient temperatures

Right heater flange R52-1 is defective

Check, if necessary replace the heater flange R52-1 .

4.1.2 Error code

System errors in the electrical servo control circuit

Effect

Cause

Measure / remedy

Possibly incorrect function of the travel pedals U22/U23

The sensors B40/B45 are active, even though the pedals U22/U23 are not actuated .

Travel pedals U22/U23 wrong adjusted or defective

Check the pedals U22/U23 for proper function, if necessary readjust or replace pedals.

Possibly incorrect function of the pressureless lowering

Short circuit to ground or to +24V in the load circuit of Y401

Check, if necessary repair the commutation solenoid valve Y401 and its connecting circuit

Possibly incorrect function of the servo control for additional movement

Short circuit to ground or to +24V in the load circuit of the commutation solenoid valve

Check, if necessary repair the commutation solenoid valve for additional movement and its connecting circuit

Possibly incorrect function of the servo control for additional movement

Short circuit to ground or to +24V in the load circuit

Check, if necessary repair the load circuit

Possibly incorrect function of the servo control circuit

Short circuit to ground or to +24V in the load circuit of the commutation solenoid valve Y 369A

Check, if necessary repair the commutation solenoid valve Y369A and its connecting circuit

Possibly incorrect function of the servo control circuit

Short circuit to ground or to +24V in the load circuit of the commutation solenoid valve Y 370B

Check, if necessary repair the commutation solenoid valve Y370B and its connecting circuit

Possibly incorrect function of the servo control for additional movement

Short circuit to ground or to +24V in the load circuit

Check, if necessary repair the load circuit

Possibly incorrect function of the pressureless lowering

Short circuit to ground or to +24V in the load circuit Y109

Check, if necessary repair the commutation solenoid valve Y109 and its connecting circuit

Possibly incorrect function of the servo control for swing left

Short circuit to ground or to +24V in the load circuit Y150

Check, if necessary repair the commutation solenoid valve Y150 and its connecting circuit

Possibly incorrect function of the servo control for swing right

Short circuit to ground or to +24V in the load circuit Y151

Check, if necessary repair the commutation solenoid valve Y151 and its connecting circuit

MJFCIFSS

4-5

Error code

Effect

Cause

Measure / remedy

No or incorrect function of the servo control

Missing 24V supply of the servo control plate U46/D

Check 24V supply circuit, r(epair as necessary (Fuse F153, connectors X830-1 & X830-3, .)

Possibly incorrect function of the servo control for lowering boom.

Possibly incorrect function of the servo control for lifting boom.

Possibly incorrect function of the servo control for bucket tilting out.

Possibly incorrect function of the servo control for bucket tilting in.

Possibly incorrect function of the servo control for travelling left backwards.

Possibly incorrect function of the servo control for travelling left foreward.

Possibly incorrect function of the servo control for retracting or extending stick.

Possibly incorrect function of the servo control for extending or retracting stick.

No or incorrect function of the servo control

Possibly incorrect function of the servo control for travelling foreward.

Possibly incorrect function of the servo control for lifting boom.

4-6

Short circuit to ground or to +24V in the load circuit Yr1-A1 Broken wire in the load circuit to regulation solenoid valve Yr1-A1 Short circuit to ground or to +24V in the load circuit Yr1-B1 Broken wire in the load circuit to regulation solenoid valve Yr1-B1 Short circuit to ground or to +24V in the load circuit Yr1-A2 Broken wire in the load circuit to regulation solenoid valve Yr1-A2 Short circuit to ground or to +24V in the load circuit Yr1-B2 Broken wire in the load circuit to regulation solenoid valve Yr1-B2 Short circuit to ground or to +24V in the load circuit Yr1-A3 Broken wire in the load circuit to regulation solenoid valve Yr1-A3 Short circuit to ground or to +24V in the load circuit Yr1-B3 Broken wire in the load circuit to regulation solenoid valve Yr1-B3 Short circuit to ground or to +24V in the load circuit Yr1-A4 Broken wire in the load circuit to regulation solenoid valve Yr1-A4 Short circuit to ground or to +24V in the load circuit Yr1-B4

Check, if necessary repair the regulation solenoid valve Yr1-A1 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr1-B1 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr1-A2 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr1-B2 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr1-A3 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr1-B3 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr1-A4 and its connecting circuit

Broken wire in the load circuit to regulation solenoid valve Yr1-B4

Check, if necessary repair the regulation solenoid valve Yr1-B4 and its connecting circuit

Missing 24V supply of the servo control plate U48-1/A , connector X840-3

Check 24V supply circuit, r(epair as necessary (Fuse F151, connector X840-3, .)

Short circuit to ground or to +24V in the load circuit Yr1-A5 Broken wire in the load circuit to regulation solenoid valve Yr1-A5 Short circuit to ground or to +24V in the load circuit Yr1-B5 Broken wire in the load circuit to regulation solenoid valve Yr1-B5

MJFCIFSS

Check, if necessary repair the regulation solenoid valve Yr1-A5 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr1-B5 and its connecting circuit

Error code

Effect

Cause

Possibly incorrect function of the servo control for travelling right backw. (R964 C) or bucket tilting out (R974 C).

Short circuit to ground or to +24V in the load circuit Yr1-A6

Possibly incorrect function of the servo control for travelling right foreward (R964 C) or bucket tilting in (R974 C).

Short circuit to ground or to +24V in the load circuit Yr1-B6

Possibly incorrect function of the servo control for travelling right backw. (R974 C) or bucket tilting out (R964 C).

Short circuit to ground or to +24V in the load circuit Yr1-A7

Possibly incorrect function of the servo control for travelling right foreward (R974 C) or bucket tilting in (R964 C).

Short circuit to ground or to +24V in the load circuit Yr1-B7

Possibly incorrect function of the servo control for retracting stick (only R974C)

Broken wire in the load circuit to regulation solenoid valve Yr1-A6

Broken wire in load circuit to regulation solenoid valve Yr1-B6

Broken wire in load circuit to regulation solenoid valve Yr1-A7

Broken wire in load circuit to regulation solenoid valve Yr1-B7 Short circuit to ground or to +24V in the load circuit Yr1-A8 Broken wire in load circuit to regulation solenoid valve Yr1-A8 Short circuit to ground or to +24V in the load circuit Yr1-B8

Possibly incorrect function of the servo control for extending stick (only R974C) No or incorrect function of the servo control

Possibly incorrect function of the servo control for shovel flap opening. (only R964C) Possibly incorrect function of the servo control for shovel flap closing (only R964C)

Check, if necessary repair the regulation solenoid valve Yr1-A6 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr1-B6 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr1-A7 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr1-B7 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr1-A8 and its connecting circuit

Broken wire in load circuit to regulation solenoid valve Yr1-B8

Check, if necessary repair the regulation solenoid valve Yr1-B8 and its connecting circuit

Missing 24V supply of the servo control plate U48-1/A , connector X840-1

Check 24V supply circuit, r(epair as necessary (Fuse F151, connector X840-1, .)

Short circuit to ground or to +24V in the load circuit Yr2-A2 Broken wire in load circuit to regulation solenoid valve Yr2-A2 Short circuit to ground or to +24V in the load circuit Yr2-B2 Broken wire in load circuit to regulation solenoid valve Yr2-B2

Possibly incorrect function of the servo control for shovel stick retraction (R964C) or shovel flap opening (R974C)

Short circuit to ground or to +24V in the load circuit Yr2-A1

Possibly incorrect function of the servo control for shovel stick extension (R964C) or shovel flap closing (R974C)

Short circuit to ground or to +24V in the load circuit Yr2-B1

Possibly incorrect function of the servo control for extension of additional cylinder

Measure / remedy

Broken wire in load circuit to regulation solenoid valve Yr2-A1

Broken wire in load circuit to regulation solenoid valve Yr2-B1 Short circuit to ground or to +24V in the load circuit Yr3-B1 Broken wire in load circuit to regulation solenoid valve Yr3-B1

MJFCIFSS

Check, if necessary repair the regulation solenoid valve Yr2-A2 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr2-B2 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr2-A1 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr2-B1 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr3-B1 and its connecting circuit

4-7

Error code

Effect

Cause

Possibly incorrect function of the servo control for retraction of additional cylinder Possibly incorrect function of the servo control for swing left

Possibly incorrect function of the servo control for swing right No or incorrect function of the servo control

Possibly incorrect function of the servo control for pressureless lowering Possibly incorrect function of the servo control for additional movement No or incorrect function of the servo control

4.1.3 Error code

Effect

Short circuit to ground or to +24V in the load circuit Yr3-A1 Broken wire in load circuit to regulation solenoid valve Yr3-A1 Short circuit to ground or to +24V in the load circuit Yr150 Broken wire in load circuit to regulation solenoid valve Yr150 Short circuit to ground or to +24V in the load circuit Yr151

Measure / remedy Check, if necessary repair the regulation solenoid valve Yr3-A1 and its connecting circuit Check, if necessary repair the regulation solenoid valve Yr150 and its connecting circuit

Broken wire in load circuit to regulation solenoid valve Yr151

Check, if necessary repair the regulation solenoid valve Yr151 and its connecting circuit

Missing 24V supply of the servo control plate U48-2/A , connector X850-3

Check 24V supply circuit, r(epair as necessary (Fuse F152, connector X850-3, .)

Short circuit to ground or to +24V in the load circuit Yr401 Broken wire in load circuit to regulation solenoid valve Yr401 Short circuit to ground or to +24V in the load circuit Broken wire in load circuit to regulation solenoid valve Missing 24V supply of the servo control plate U48-2/A , connector X850-1

Check, if necessary repair the regulation solenoid valve Yr401 and its connecting circuit Check, if necessary repair the regulation solenoid valve for additional movement and its connecting circuit Check 24V supply circuit, r(epair as necessary (Fuse F152, connector X850-1, .)

Communication and coding errors Cause

Measure / remedy

S71 S72 Y50

S73

S71 S72 Y50

4-8

MJFCIFSS

Error code

Effect

Cause

Measure / remedy

S71 S72 Y50

Possibly incorrect function of the servo control circuit

Internal default of servo control plate U47

Consult LIEBHERR customer service.

Possibly incorrect function of the servo control circuit

Internal default of servo control plate U48-1

Consult LIEBHERR customer service.

Possibly incorrect function of the servo control circuit

Internal default of servo control plate U48-2

Consult LIEBHERR customer service.

Possibly incorrect function of the servo control circuit

Internal default of servo control plate U46

Consult LIEBHERR customer service.

Possibly incorrect function of the travel pedals U22/U23

Pedals U22/U23 actuated, even though B40/B45 not active Travel pedals U22/U23 wrong adjusted or defective

Check the pedals U22/U23 for proper function, if necessary readjust or replace pedals.

E 328

No or incorrect function of the electrical servo control system

No communication with the U101 coding unit

Consult LIEBHERR customer service.

E 329

No or incorrect function of the electrical servo control system

Incorrect CAN-Bus connection (Timeout) between control unit and servo control plate U47

Consult LIEBHERR customer service.

E 330

No or incorrect function of the electrical servo control system

Incorrect CAN-Bus connection between CAN 3-1 and CAN 3-2

Consult LIEBHERR customer service.

E 331

No or incorrect function of the electrical servo control system

Incorrect CAN-Bus connection between CAN 4-1 and CAN 4-2

Consult LIEBHERR customer service.

E 332

No or incorrect function of the electrical servo control system

Incorrect CAN-Bus connection between CAN 5-1 and CAN 5-2

Consult LIEBHERR customer service.

E 333

No or incorrect function of the electrical servo control system

Defective Bus CAN 3

Consult LIEBHERR customer service.

E 334

No or incorrect function of the electrical servo control system

Defective Bus CAN 4

Consult LIEBHERR customer service.

E 335

No or incorrect function of the electrical servo control system

Defective Bus CAN 5

Consult LIEBHERR customer service.

E 337

No or incorrect function of the electrical servo control system

Incorrect CAN-Bus connection between servo control plate U47 and left joystick

Consult LIEBHERR customer service.

E 340

No or incorrect function of the electrical servo control system

Incorrect CAN-Bus connection between servo control plate U47 and right joystick

Consult LIEBHERR customer service.

MJFCIFSS

4-9

Error code

E 355

Effect

Cause

Measure / remedy

No or incorrect function of the electrical servo control system

Incorrect CAN-Bus connection between servo control plate U47 and left travel pedal U22

Consult LIEBHERR customer service.

No or incorrect function of the electrical servo control system

Incorrect CAN-Bus connection between servo control plate U47 and right travel pedal U23

Consult LIEBHERR customer service.

No or incorrect function of the electrical servo control system

Incorrect CAN-Bus connection between servo control plate U47 and pedal for special attachments U24

Consult LIEBHERR customer service.

No or incorrect function of the electrical servo control system

Unknown excavator coding in coding unit U101

Consult LIEBHERR customer service.

No or incorrect function of the electrical servo control system

Incorrect CAN-Bus communication between control plate U47 and U481

Consult LIEBHERR customer service.

No or incorrect function of the electrical servo control system

Incorrect CAN-Bus communication between control plate U47 and U482

Consult LIEBHERR customer service.

No or incorrect function of the electrical servo control system

Incorrect CAN-Bus communication between control plate U47 and U46

Consult LIEBHERR customer service.

4.1.4

Error code

Effect

Other electrical errors (general switches and transmitter circuits, ...)

Cause

Measure / remedy

S71 S72 Y50

S71 S72 Y50

4 - 10

MJFCIFSS

Error code

Effect

Cause

Possibly incorrect function of the left joystick U20 in X-axis.

Possibly incorrect function of the left joystick U20 in Y-axis.

Possibly incorrect function of the right joystick U21 in X-axis.

Possibly incorrect function of the right joystick U21 in Y-axis.

Incorrect neutral position of left joystick U20 (in X-axis) is recognized Broken wire or short circuit in circuit to U20 (X-axis) Incorrect neutral position of left joystick U20 (in Y-axis) is recognized Broken wire or short circuit in circuit to U20 (X-axis) Incorrect neutral position of right joystick U21 (in X-axis) is recognized Broken wire or short circuit in circuit to U20 (X-axis) Incorrect neutral position of right joystick U21 (in Y-axis) is recognized Broken wire or short circuit in circuit to U20 (X-axis) Incorrect neutral position of the left travel pedal U22 is recognized

Possibly incorrect function of the servo control for travel left.

Defective wire - connection to the left travel pedal U22 Incorrect neutral position of the right travel pedal U23 is recognized

Possibly incorrect function of the servo control for travel right.

Defective wire - connection to the right travel pedal U23

Possibly incorrect function of the servo control for additional movement (AHS 11) .

Incorrect neutral position of the pedal 1 in the double pedal U24 is recognized Defective wire - connection to the pedal 1 in the double pedal U24

MJFCIFSS

Measure / remedy

Check, if necessary repair the left joystick U20 and its connecting circuit Check, if necessary repair the left joystick U20 and its connecting circuit Check, if necessary repair the right joystick U21 and its connecting circuit Check, if necessary repair the right joystick U21 and its connecting circuit Check, if necessary repair the left travel pedal U22 and its connecting circuit Check, if necessary repair the right travel pedal U23 and its connecting circuit Check, if necessary repair the left double pedal U24 and its connecting circuit

4 - 11

Error code

Effect

Cause

Possibly incorrect function of the servo control for additional movement (AHS 11) .

Possibly incorrect function of the servo control for additional movement (AHS 12) .

Possibly incorrect function of the servo control for additional movement (AHS 12) .

Incorrect neutral position of the pedal 2 in the double pedal U24 is recognized Defective wire - connection to the pedal 2 in the double pedal U24 Incorrect neutral position of the pedal 1 in the double pedal U27 is recognized Defective wire - connection to the pedal 1 in the double pedal U27 Incorrect neutral position of the pedal 2 in the double pedal U27 is recognized Defective wire - connection to the pedal 2 in the double pedal U27

Check, if necessary repair the left double pedal U24 and its connecting circuit

Check, if necessary repair the right double pedal U27 and its connecting circuit

Check, if necessary repair the right double pedal U27 and its connecting circuit

Automatic idling on left joystick does not function, i.e. the engine remains at low speed.

Short circuit + 24 V

Possibly incorrect function of the servo control for swing brake

Defective wire - connection to the pedal for swing brake U26

Check, if necessary repair the swing brake pedal U26 and its connecting circuit

Automatic idling on right joystick does not function, i.e. the engine remains at low speed.

Short circuit + 24 V Short circuit to earth or cable break

Deactivate automatic idling S20, consult LIEBHERR customer service.

Possibly incorrect commutation for the variable flow travel motors

Defective wire - connection to the pressure transmitter B 144

Check, if necessary repair the connecting wire to the press. switch

Possibly incorrect function of the servo control for swing brake.

Incorrect neutral position of the pedal for swing brake U26 is recognized

Check, if necessary repair the swing brake pedal U26 and its connecting circuit

Possibly incorrect commutation for the pressureless lowering function

Defective wire - connection to the pressure transmitter B 145

Check, if necessary repair the connecting wire to the press. switch

Possibly incorrect commutation for the pressureless lowering of crowd cylinder on shovel attachment

Defective wire - connection to the pressure transmitter B 167

Check, if necessary repair the connecting wire to the press. switch

Defective wire - connection to the pressure transmitter B 141

No action required - B141 is actually only a reserve

Defective wire - connection to the pressure transmitter B 149

No action required - B149 is actually only a reserve

Swing motor RPM no longer recorded

Short circuit + 24 V

Consult LIEBHERR customer service.

Incorrect fuel gauge.

Short circuit + 24 V

Short circuit to earth or cable break

Short circuit to earth or cable break Short circuit to earth or cable break Connection default for plate ESP01

4.1.5

4 - 12

Measure / remedy

Deactivate automatic idling S20, consult LIEBHERR customer service.

Check fuel level visually, consult LIEBHERR customer service.

Consult LIEBHERR customer service.

Operation errors (also displayed as warning symbols in field SY)

MJFCIFSS

Error code

Effect

Cause

Measure / remedy

-

MJFCIFSS

4 - 13

Error code

Effect

Cause

Measure / remedy

4.2 Faults and remedies 4.2.1 Fault / error

4 - 14

Diesel engine and fuel system Cause

MJFCIFSS

Solution

Fault / error

Cause

Solution

Note!

4.2.2 Fault / error

Hydraulic system Cause

Solution

Note!

MJFCIFSS

4 - 15

Fault / error

Cause

4.2.3 Fault / error

Fault / error

4 - 16

Transmission Cause

4.2.4

Solution

Solution

Electrical system Cause

MJFCIFSS

Solution

Fault / error

Cause

4.2.5 Fault / error

Solution

Work equipment Cause

MJFCIFSS

Solution

4 - 17

4.2.6 Fault / error

Heating/air-conditioning system Cause

Solution

Error code “F0“ faulty room temperature gauge:

Cause of gauge error:

Error code “F1“ faulty blow-out temperature gauge:

Cause of gauge error:

Error code “F2“ faulty reserve temperature gauge:

Cause of gauge error:

4 - 18

MJFCIFSS

Error code “F3“ faulty vent flap foot room area and front window:

Cause of flap fault:

Error code “F4“ pressure fault and faulty magnetic coupling:

Cause of flap fault:

Error code “F5“ faulty data transmission operating feature / control unit: Cause of the fault:

4.2.7

LIEBHERR particles filter system

LCD display message

LED

Cause

Remedy

"Themo element 1 (or 2) is defective"

E

"ERROR idling / Temp. ignition block active"

E

"Error interrupt. Terminal W"

E

"Pre-loading pressure achieved"

MJFCIFSS

4 - 19

LCD display message

LED

Cause

Remedy

"Main load pressure achieved."

E

"Filter breakage or pressure line clogged"

E

"Call service"

E

4 - 20

MJFCIFSS

4.3 Fuses and relays 4.3.1

Electrical power box E50 with main fuses

Fig. 4-2

Electrical power box E50

MJFCIFSS

4 - 21

F19 F19-2 F20 F31 F37 F50 F109 F110 F115 F116 F117 F122 F123 F130 F131 F132 F150 F151 F152 F153 K56 K127 K128 K222 K288 K302 K302-2

4.3.2

Control plate A1010 with fuses

Danger

4 - 22

MJFCIFSS

Fig. 4-3

Control plate A1010 with fuses and Relays Fuses on terminal 15 (Kl15)

F1 F2 F3 F4

F5 F6 F7 F8

F9

MJFCIFSS

4 - 23

Fuses on terminal 30 (Kl30) F10 F11 F12 F13 F14 F15 Relays on printplate A1010 K5 K6 K7 K8

4 - 24

MJFCIFSS

5 Maintenance 5.1 Servicing the machine safely General safety instructions

MJFCIFSS

5-1

Cleaning

Sight field

5-2

MJFCIFSS

Crack testing

Welding, drilling, firing and grinding work

MJFCIFSS

5-3

Process materials

Repair work

5-4

MJFCIFSS

Electrical system

Hydraulic accumulator

MJFCIFSS

5-5

Hydraulic hoses and sheathed cables.

5-6

MJFCIFSS

5.2 Maintenance access doors 5.2.1

Overview of access doors

Fig. 5-1

Access doors for maintenance on the machine

MJFCIFSS

5-7

Pos.

Denomination / location of the door

Locking device in opened position

Locking device in closed position

Side door right rear

Retaining rod 3

Lock up handle 4

Side door right front

Retaining rod 3

Lock up handle 4

Air filter door

Gas pressure spring 5

Door fixed by screws

Side door left

Retaining rod 3

Door fixed by screws

Engine hood

Mechanical retainer 2 + two gas pressure springs 5

Locking device 6. Access after opening hood 25

Cooler cover

Gas pressure spring 5

Cover fixed by screws

Cover front right

Retaining rod 3

Lock up handle

Cover tool box

Gas pressure spring 5

Lock up handle 4

Hood left rear

Gas pressure spring 5

Locking device 6. Access after opening door 13

Tab. 5-1

4 32

5.2.2

Door retaining rods

Caution!

Fig. 5-2

5-8

Door retaining rod

MJFCIFSS

33

5.2.3

Opening, closing, locking the engine hood 21

Fig. 5-3

Locking of engine hood in opened and closed position 1

21

13

7

25

25 6

21

Caution!

5

5 21 2

21

2

To close the engine hood 21: 21 21

2 6

1

MJFCIFSS

5-9

5.3 Lubricants and operating fluids 5.3.1

General information on changing lubricants and operating fluids Note

Note!

Note!

Danger!

0

5 - 10

MJFCIFSS

5.3.2

Lubrication chart

Fig. 5-4

Lubrication chart - R 974 C-Litronic

MJFCIFSS

5 - 11

Symbols on the lubrication chart Symbol

5.3.3 Designation

Medium

Meaning

Symbol

Meaning

Lubricants chart Symbol

Classification

Viscosity

ISO VG 46 (32-68) ISO VG 46 (32-68)

Quantities* Liter / (USgal)

In whole hydraulic circuit

For oil change Mercedes Benz specificat. 226.0 & 227.0

Mercedes Benz specifications 227.5, 228.1 & 228.3

(swing brake used as parking brake)

(with swing brake used as positioning brake) Tab. 5-2

5 - 12

MJFCIFSS

Designation

Medium

Symbol

Classification

Viscosity

Quantities* Liter / (USgal)

Tab. 5-2 Tab. 5-3

5.3.4 Designation

Lubricants chart

Operating material chart Medium

Tab. 5-4

Symbol

Quantities* Liter / (USgal)

Operating material chart

MJFCIFSS

5 - 13

5.4 Lubricants and fluids specification 5.4.1

Diesel fuel Specifications

Sulphur content of diesel fuel

Note!

ASTM D 975 fuels must have a cetane number of minimum 45

Diesel fuels for operation at low temperatures (winter)

5 - 14

MJFCIFSS

Caution!

Diesel fuels with the LIEBHERR Particles filter Caution!

5.4.2

Lubricating oil for the Diesel engine

Classification

Tab. 5-5

Specification

Lubricating oil for the Diesel engine - specifications

Caution !

Viscosity

MJFCIFSS

5 - 15

Fig. 5-5

Temperature-based selection of the SAE class

Liebherr Motoroil 10W-40 Liebherr Motoroil 10W-40 low ash

Liebherr Motoroil 5W-30

Lubricating oil change intervals

adverse factors

Operating conditions

Tab. 5-6

5 - 16

Oil change interval dependent on oil quality:

Oil change intervals for the Diesel engine

MJFCIFSS

5.4.3

Coolant for the diesel engine

General recommandations

Note!

Water quality

Do not use sea water, brackish water, brine or industrial wastewater.

Contents

Tab. 5-7

Quantity

Fresh water quality

Fresh water quality when using coolant with DCA 4 Contents

Tab. 5-8

Quantity

Fresh water quality with use of DCA 4

MJFCIFSS

5 - 17

Mixting ratio for coolant all times of the year Outside temperature up to

Mixing ratio

°C

Water %

°F

A%

Tab. 5-9

Mixture ratio (for all seasons)

Fig. 5-6

Temperature-based mixing ratio of water + corrosion inhibitor and antifreeze agent

A

Permitted corrosion inhibitors / antifreeze agent Note!

Product description

5 - 18

MJFCIFSS

Manufacturer

Country

Product description

Manufacturer

Country

Permitted premixed coolants Note!

Product description

MJFCIFSS

Manufacturer

Country

5 - 19

Checking and replacing the coolant Note!

Fig. 5-7

Select the anti-freeze concentration level

Determining the top-up quantity - example -15 °C:

3

Correct the mixing ratio

5 - 20

MJFCIFSS

Permitted corrosion inhibitors without antifreeze agent exceptional circumstances freezing freeze fluid available coolant

at temperatures which are continually above no anti-corrosion / antiwater and water soluble anti-corrosion fluid

Chart of approved water soluble anti-corrosion fluids Product description

Manufacturer

Country

Note!

Using DCA 4 without anti-corrosion / anti-freeze fluid

Note! annually 0.6

1.06

Using other water soluble anti-corrosion fluids

Note! annually 7.5 %

MJFCIFSS

92.5 %

5 - 21

Use a refractometer to check the mixing ratio

Fig. 5-8

Refractometer Gefo 2710

Refractometer:

Measurement procedure:

Conversion diagram: Note!

y

x

Fig. 5-9

Conversion diagram

x y

5 - 22

MJFCIFSS

5.4.4

Hydraulic liquids

Hydraulic oil

Fig. 5-10

Hydraulic oil for use as hydraulic oil (ISO classes)*.

A B C

Engine oil

Single-grade oils (1): Multigrade oils (2):

MJFCIFSS

5 - 23

Tab. 5-10 Engine oils for use as hydraulic oil

Fig. 5-11

Engine oils for use as hydraulic oil (SAE classes)*

A

1

B C

2

Warm-up instruction B C B 1.

2.

1

Biodegradable hydraulic oils Note!

5 - 24

MJFCIFSS

Liebherr Hydraulic Plus

Liebherr Hydraulic Plus Arctic

Fully saturated synthetic ester-based oils, HEES

Monitoring, filter change and oil change Note! biodegradable hydraulic oils

mineral oils .

Symbol

Signification

Tab. 5-11 Key to figures

MJFCIFSS

5 - 25

Hydraulic oil in normal use

Fig. 5-12

Oil sampling and filters change in normal use

Hydraulic oil used in dust intensive applications

Fig. 5-13

Taking oil samples and changing return filters in heavy dust environments

Instructions for the reduction of the contamination of the hydraulic oil in machines used for dust intensive applications

5 - 26

MJFCIFSS

Note!

5.4.5

Lubricating grease and other lubricants Lubricant

Description / manufacturer KP2k

For use in central lubrication systems for the temperature range +60° C to -10° C Multi service grease RPL

if ambient temperatures are expected to remain under -10° C

MJFCIFSS

5 - 27

Lubricant

Description / manufacturer

Tab. 5-12 Lubricating grease and other lubricants

5.5 Diesel engine Danger !

5.5.1

Checking the oil level in the Diesel engine Danger!

5 - 28

MJFCIFSS

Fig. 5-14

Oil dipstick 1 and oil filler neck 2 1

min

5.5.2

max

1

Replacing the engine oil and the engine oil filter elements Note!

To drain the oil:

Fig. 5-15

Arrangement of the oil filter units

MJFCIFSS

5 - 29

11

Fig. 5-16

12

Drain valve on the engine oil

Replacing the oil filter elements: Danger!

14 11 14

Fig. 5-17

Replacing the oil filter elements 14

5 - 30

MJFCIFSS

11

Notice !

11 15

11 15

14 15

14

11

14 12

13 14

11

11

14

Refilling the Diesel engine with oil: 2

min

max

1 2

11

5.5.3

Polyvee belt for the airco compressor and alternator drive

MJFCIFSS

5 - 31

Fig. 5-18

Replacing the belt

To replace the belt:

5.5.4

5 - 32

Lubricating the starter ring gear

MJFCIFSS

Fig. 5-19

Starter ring gear

1

2

3

1

2

1 2

Note!

2

3

1

MJFCIFSS

5 - 33

5.5.5

Checking mounting bolts

Fig. 5-20

Pos.

Mounting bolts

Mounting screw

2 3 7

5 - 34

MJFCIFSS

tightening torque in N.m (ft.lbs)

5.5.6

Oil separator (old version)

Fig. 5-21

Replacing the oil separator

To replace the oil separator:

1

2 3 4 6 5

3 1

5.5.7

2

1

Oil separator (new version from serial number 30111) Note!

MJFCIFSS

5 - 35

Disassembly the oil separator filter

Fig. 5-22

Replacing the oil separator 1

2

3

4

A Fig. 5-23

5

B Bracket positions

Assembly the oil separator filter 7

Caution !

8

3 9

5 - 36

MJFCIFSS

C Fig. 5-24

D Oil separator filter orientation 10

4

5.5.8

3

Heater flanges

Fig. 5-25

Heater flanges

MJFCIFSS

5 - 37

5.5.9

Checking and adjustment of valve clearance Preparation

Note !

Fig. 5-26

Arrangement of cylinders, intake and exhaust valves

Sequence of valve clearance adjustments - 8 cylinders V-engine D9508

Tab. 5-13 Correpondence between overlapping valves and valves to be adjusted

Checking and adjusting the valve clearance

5 - 38

MJFCIFSS

Fig. 5-27

Checking and adjusting intake valve clearance

Fig. 5-28

Checking and adjusting exhaust valve clearance

MJFCIFSS

5 - 39

5.6 Cooling system 5.6.1

Checking and cleaning the cooling system

Fig. 5-29

Filler cap and pressure relief valve of the cooling system

7

5.6.2

Checking the coolant level Danger!

6

7

5

6 6

5 - 40

MJFCIFSS

6

6

Fig. 5-30

Coolant filler cap 6 and pressure relief valve 7

5.6.3

Coolant antifreeze and anti-corrosion fluid

5.6.4

Changing the coolant Danger!

MJFCIFSS

5 - 41

Fig. 5-31

Shutoff valves for cab heating circuit

Note!

Draining the coolant

To drain the coolant at the Diesel engine: 1 1

5 - 42

Fig. 5-32

Coolant draining valve and screw on engine front side

Fig. 5-33

Coolant draining valves on engine rear side

MJFCIFSS

2 2 4 1 3 1 2

4

To drain the coolant at the cooler:

Fig. 5-34

Coolant draining valve on watercooler 5 5

5.

Refilling the coolant and bleeding the coolant circuit 6 6

It is not possible to overfill the coolant system when the pressure relief valve 7 is installed!

6

Caution!

MJFCIFSS

5 - 43

5.7 Fuel system Danger!

5.7.1

Refuelling Fuel filler cap

Fig. 5-35

Fuel filler cap 15 20

5 - 44

MJFCIFSS

5.7.2

Electrical refuelling pump (optional extra)

Fig. 5-36

Electrical refuelling pump

1 2

S25 S59

3

3 Refuelling pump data Technical data

Value

Refuelling pump start up 15 1 2

B

S25

S59

MJFCIFSS

5 - 45

Caution !

2

Refuelling pump switch off and stowing the hoses

2

A 1 1

15 Caution !

Note !

Filling a tank fitted with quick refuelling coupling (option)

5 - 46

MJFCIFSS

Fig. 5-37

Fuel tank equiped with quick refuelling coupling

Caution!

2 2 3 2 2

MJFCIFSS

5 - 47

5.7.3

Draining the fuel tank

Fig. 5-38

Fuel tank

To daily drain the fuel tank and the fuel system:

36

36

Note!

P3 P3.1

5.7.4

Emptying and cleaning the fuel tank 36

36

5 - 48

MJFCIFSS

36 15 36 20 20

5.7.5

Draining the fuel prefilter

Fig. 5-39

Drain valve at fuel prefilter

The water separator of the fuel pre-filter must be drained on a daily basis and, if necessary, each time the symbol E528 appears at the display of the machine:

1

3

1

5.7.6

Replacing the fuel filter elements Danger !

MJFCIFSS

5 - 49

Replacing the fuel prefilter element

Fig. 5-40

Replacing the fuel prefilter element

Replacing the fuel fine filter elements

Fig. 5-41

5 - 50

Running plate at the top of Diesel engine

MJFCIFSS

Fig. 5-42

Fuel draining pipe - fine filter assembly

Fig. 5-43

Fuel fine filter - Replacement of filter elements 1

1

3 3

1 3

2

1

Caution!

MJFCIFSS

5 - 51

3 3

1

1

5.7.7

Bleeding the fuel system

Note !

Bleeding the fuel prefilter:

Fig. 5-44

Bleeding the fuel prefilter

1

2 1 2 1 2

5 - 52

MJFCIFSS

Bleeding the low pressure fuel system:

Fig. 5-45

Fuel return pipe

2

2

Note !

5.8 Dry air filter

3

MJFCIFSS

4

5 - 53

Fig. 5-46

Dry air filter 12 19 20 21

9 10 11

22

9 10 3 11

5 - 54

MJFCIFSS

9

5.8.1

Changing the main element Caution!

3

3 2

Fig. 5-47

Changing the filter elements

1 2

6 7

3 4

8 9 1

3 2 3

1

MJFCIFSS

5 - 55

5.8.2

Changing the safety element Note!

4

3

4

3 4 2 2 Caution!

4 3 2

5.8.3

1

Checking the intake air lines

20) 21

5 - 56

MJFCIFSS

22

5.9 LIEBHERR particles filter (In option)

Fig. 5-48

5.9.1

Water separator

Drain the condensation water: 203 203

5.9.2

Water separator maintenance: 201 105 Notice!

103

MJFCIFSS

5 - 57

101 to 104 130 101 to 104 105 201

202

5.10 Hydraulic system

Note!

5.10.1

Depressurizing the hydraulic system

Danger!

To relieve pressure in the high pressure circuits

To relieve pressure the servo oil circuits

To depressurize the hydraulic tank 1

5 - 58

maximum

MJFCIFSS

1

Fig. 5-49

2

Depressurizing the hydraulic tank

Note!

2 1 Danger!

5.10.2

Checking the oil level, emptying and refilling the hydraulic tank Machine position

Fig. 5-50

Machine position for checking the oil level in the hydraulic tank

MJFCIFSS

5 - 59

Checking the oil level in the hydraulic tank

Fig. 5-51

Hydraulic tank oil level

MAXI MINI MINI

5 - 60

MJFCIFSS

Emptying and refilling the hydraulic tank

Fig. 5-52

Draining and refilling the hydraulic oil

1

2

3

4

5 7

6 8

9 R

10 Rl

To drain the oil:

1 2

9 5

6 R

8

Rl

To refill the hydraulic oil: 1 2

MJFCIFSS

9

5 - 61

1 2 7 2 Caution!

To drain off condensation water

5 Note!

5.10.3

Checking and cleaning the oil cooler system

Fig. 5-53

5 - 62

Oil cooler

11

12

13

14

15

16

MJFCIFSS

5.10.4

Return filter

Fig. 5-54

Return filter

1 2

5 6

3 4

9 10 4 5

Note

To clean a magnetic rod and replace a filter element:

6

2

4

4 5

MJFCIFSS

5 - 63

Caution!

5 3 6 1

5.10.5

Servofilter 11

Fig. 5-55

1

Control oil unit with servo-filter

1

12

2 10

13 14

11

15

Note!

12 14 To replace the filter element:

14

11

12

14 14 13 12

5 - 64

1

15

MJFCIFSS

2

14

5.10.6

1/4

Replenishing oil filter in swing circuit

Fig. 5-56

Replenishing oil filter of swing circuit

2

7

3

10 2

3

10

2 2 7

3

10

2

5.10.7

Servo control circuit

Danger!

10

MJFCIFSS

5 - 65

5.10.8

Air bleeding of the servo control chambers

Notice!

Fig. 5-57

5.10.9

5 - 66

Air bleeding of servo control chambers

Bleeding the hydraulic pumps

MJFCIFSS

Note!

Fig. 5-58

Hydraulic pumps)

1 3

2 4

5

6

3

1 1

4

2 2 6

5 5

5.10.10

Bleeding the hydraulic cylinders

MJFCIFSS

5 - 67

Fig. 5-59

Hydraulic cylinder bleeding

2

3 2

Procedure 1 2 on 3

3 2

Procedure 2

The incorrect bleeding can cause the appearance of gas bubbles (mixture of air and hydrocarbon) which could explode due to the high pressure in the cylinder (Diesel effect).

5 - 68

MJFCIFSS

5.10.11

Removing the suction hose to the pumps

Fig. 5-60

Shut off valves and suction hoses to the hydraulic pumps

1

2

3

4

a b

b 1

a

MJFCIFSS

5 - 69

5.10.12

Breather filter on the hydraulic tank

Fig. 5-61

Hydraulic tank breather filter

1

2

Note!

2 1

5.10.13

High pressure filters in working circuit

Fig. 5-62

5 - 70

High pressure filters

MJFCIFSS

To clean a filter element :

1 4, 2 1

3, 4

4

5

6

Note!

1

5.10.14

3

Bypass oil filter for hydraulic system (Special equipment)

Note!

Fig. 5-63

Bypass oil filter for hydraulic system

1

2

3

4

MJFCIFSS

5 - 71

1

Checking filter contamination:

Replacing filter element:

2 4

4 3,

5.10.15

2

Servicing the hydraulic cylinder Checking the condition of the piston rod mount

Fig. 5-64

Piston rod mount

Note

5 - 72

MJFCIFSS

Protecting the piston rods

Fig. 5-65

5.10.16

Machine with piston rods drawn in

Replacing hydraulic hoses

Fig. 5-66

High pressure hose with SAE fitting

MJFCIFSS

5 - 73

Danger!

Size of screw 4

Torque value in Nm - Quality 10.9 Half flanges 5a

Flat flange 5b

Tab. 5-14 Tightening torques for SAE fittings - Quality 10.9 Size of screw 4

Torque value in Nm - Quality 8.8 Half flanges 5a

Tab. 5-15 Tightening torques for SAE fittings - Quality 8.8

5.11 Oil changes on components 5.11.1

5 - 74

General information

MJFCIFSS

Conical flange 5c

5.11.2

Swing gear - Oil level check and oil change

Fig. 5-67

Checking oil level and changing oil in swing gear

1 2

3 4

To check the oil level: 1 Min. Max. To drain the oil: 2 3 4

3

4 3 To add the oil: Max. 2

MJFCIFSS

5 - 75

5.11.3

Travel gear oil change

Fig. 5-68

Travel gear - Oil level plugs 1 and oil drain plug 2

To drain the oil:

1 2

To add the oil: 2 1 1 Note!

5 - 76

MJFCIFSS

5.11.4

Splitterbox - Oil change

Fig. 5-69

Changing the oil in the splitterbox

4

5

6

7

To check the oil level: 5

To drain the oil: 4 6

7

6 7 To add the oil: 4 5 4

5.12 The track components

MJFCIFSS

5 - 77

5.12.1

Checking the mounting screws of the track components

Fig. 5-70

Track components mounting screws

7 2100 Nm (1550 ft.lbs) 8 1120 Nm (830 ft.lbs) 1900 Nm (1400 ft.lbs) 9 1120 Nm (830 ft.lbs) 1900 Nm (1400 ft.lbs) 10 960 Nm (710 ft.lbs)

5.12.2

5 - 78

Checking the track chains tension

MJFCIFSS

Fig. 5-71

Track unsufficiently (A) and properly (B) tightened

Fig. 5-72

Monitoring the track tension

1 A

20 to 30 mm 15 to 20 mm Note!

MJFCIFSS

5 - 79

5.12.3

Retensioning the track

Fig. 5-73

Retensioning the track 6 2

1 2

3

4

1

5.12.4

2

Releasing the track chain tension Danger!

5

3

5 - 80

MJFCIFSS

6

Danger!

3

3 27 mm

3.1 3.2

3.2 3

5.12.5

Cleaning the track components Before working

Caution!

At the end of a workday

MJFCIFSS

5 - 81

Fig. 5-74

Raising the machine on one side

Danger!

5.13 24 V circuit

5.13.1

5 - 82

General checks on the 24 V electrical system

MJFCIFSS

5.13.2

Batteries care Danger!

A

Danger!

B

C unit weight is 1.28 kg/l (31.5° Bé)

MJFCIFSS

5 - 83

Fig. 5-75

5.13.3

Batteries care - batteries switch

Batteries switch 0 Caution!

Note!

0

5.13.4

5 - 84

Protection of the 24 V circuit during maintenance works

MJFCIFSS

5.14 Heating/air-conditioning system

5.14.1

Recirculated and fresh air filters

Fig. 5-76

Recirculated air filter

Fig. 5-77

Fresh air filter

1

3

6 To clean and change the recirculated and fresh air filters: 1 2 1 4 3

MJFCIFSS

5 - 85

Note!

1

5.14.2

3

Heating system

Fig. 5-78

Heating unit with solenoid valve

To vent the heating system: A

To clean solenoid valve 5: 5

To check the heat exchanger: 6

5.14.3

5 - 86

Air-conditioning system

MJFCIFSS

Fig. 5-79 2

A/C compressor and condensor 7

To check the condensor: 2 2

To check the A/C compressor: 7

Fig. 5-80

Dryer-accumulator unit

MJFCIFSS

5 - 87

To check the dryer-accumulator unit: 10

9

Note!

11

9 12

9 9 9 9

9

Fig. 5-81

Fan motor on the heating/air-conditioning device

Additional maintenance work:

13

14 B44

5 - 88

MJFCIFSS

9

5.15 Greasing the machine 5.15.1

The centralized lubrication system

Construction and operation of the centralized lubrication system.

Fig. 5-82

Lubrication plants of the centralized lube system

U4-1 U4-2 U4 13

14

16

15

U4-1 2 3 4 5

U4-2

MJFCIFSS

5 - 89

Fig. 5-83

Centralized lubrication system

2 4

3 5

9 14

13 15

16 B51-1

26 B52-1

U4-1

U4-2

LP

Lube points connected to the lubrication plant U4-1:

Lube points connected to the lubrication plant U4-2:

Lube points which are not connected to the central lubrication system: Caution!

5 - 90

MJFCIFSS

Notice!

5.15.2

Operation of the full automatic system Function of the automatic lubrication plants S84-1 17

B51

Fig. 5-84

S84-2

16

16

Full automatic lubrication system

4 13

14

16

17

18 26

19 B51

CD

NS

MJFCIFSS

5 - 91

S84

U4

Starting an additional lubrication procedure U4-1 S84-1

U4-2

S84-2

19

Monitoring of the automatic lubrication system U4-1 S84-1

S84-2

U4-2 17

B51

17

18

S84

26 B51 13 14

Adjustments at the lubrication plants and grease consumption CD NS Lubrication plant U4-1

Lubrication plant U4-2

5 - 92

MJFCIFSS

5.15.3

Emergency lubrication with defective lubrication system 15 25 U4-1 25 U4-2 25

Fig. 5-85

Emergency lubrication

15

25

Caution!

5.15.4

To refill a grease container 13

Caution!

21 Note!

13

23 15

MJFCIFSS

5 - 93

Fig. 5-86

Refilling the grease container

13

15

21 23

22 31 31

Note!

31

U4-2

21 13

31 13

5.15.5

5 - 94

Changes in the lubrication circuit

MJFCIFSS

22

Fig. 5-87

5.15.6

Main and secondary distributor

Greasing the grab (optional extra)

Fig. 5-88

Greasing the grab

MJFCIFSS

5 - 95

5.16 Quick-change systems 5.16.1

Greasing the mechanical quick-change adapter (optional extra)

Fig. 5-89

Greasing the mechanical quick-change adapter

Note!

5.16.2

Hydraulic quick-change adapter (optional extra) Greasing the quick-change adapter

Fig. 5-90

5 - 96

Greasing the quick-change adapter

MJFCIFSS

1 Note!

Cleaning the sieve filter

Fig. 5-91

Cleaning the sieve filter 12

20

21 10 13 12

12 13

20

5.16.3

11

21

LIKUFIX (optional extra) Cleaning LIKUFIX

MJFCIFSS

5 - 97

Replacing the sealing ring

Fig. 5-92

Replacing the sealing ring A

B C D E F

5.17 Check mounting bolts for tightness

5 - 98

MJFCIFSS

Caution!

Notice :

5.17.1

Mounting bolts of the counterweight

Fig. 5-93

Counterweight mounting bolts 1

5.17.2

Mounting screws of the swing ring

Fig. 5-94

Swing ring mounting bolts

MJFCIFSS

5 - 99

5.17.3

Mounting screws of the hydraulic oil and fuel tank

Fig. 5-95

Hydraulic oil tank and fuel tank mounting bolts 5

5.17.4

Mounting bolts of the swing gear and motor

Fig. 5-96

Swing gear and swing motor mounting bolts 6 7 7

5.17.5

5 - 100

Mounting bolts central piece to side frames (option "removable side frames")

MJFCIFSS

Fig. 5-97

Side frame mounting bolts

5.18 Drive unit brakes and swing gear brakes

5.19 General maintenance points 5.19.1

Replacing working parts

MJFCIFSS

5 - 101

5.19.2

Checking or replacing the teeth on the bucket Note!

To attach and dismount the teeth: Liebherr teeth system with flat locking wedge:

Fig. 5-98

Replacing the teeth 1

2 A

3

B

2 C

5 - 102

MJFCIFSS

(New) Liebherr teeth system with tooth locking bolt round: To remove an old tooth

1 3

2 4

5

10 5 3 10

3 A

3 2

1

4

To install a new tooth

Note!

3

4

4

1 2

1

3

MJFCIFSS

5 - 103

10 3 3a

4a 5 3

5.19.3

Welding work on the machine

Caution!

Caution!

5 - 104

MJFCIFSS

Note !

MJFCIFSS

5 - 105

5.20 Maintenance chart Caution!

Note

Maintenance / inspection at operating hours

WORK TO BE CARRIED OUT R 974 C By maintenance personnel (machine owner)

By authorized specialist personnel

DIESEL ENGINE AND SPLITTERBOX

5 - 106

MJFCIFSS

Note

Maintenance / inspection at operating hours

WORK TO BE CARRIED OUT R 974 C By maintenance personnel (machine owner)

By authorized specialist personnel

Note

HYDRAULIC SYSTEM

MJFCIFSS

5 - 107

Maintenance / inspection at operating hours

WORK TO BE CARRIED OUT R 974 C By maintenance personnel (machine owner)

By authorized specialist personnel

ELECTRICAL SYSTEM

5 - 108

MJFCIFSS

Note

Maintenance / inspection at operating hours

WORK TO BE CARRIED OUT R 974 C By maintenance personnel (machine owner)

By authorized specialist personnel

Note

SWING GEAR

SWING RING

TRAVEL GEARS

FAHRWERK

CAB AND HEATER

MJFCIFSS

5 - 109

Maintenance / inspection at operating hours

WORK TO BE CARRIED OUT R 974 C By maintenance personnel (machine owner)

By authorized specialist personnel

AIR-CONDITIONING SYSTEM

5 - 110

MJFCIFSS

Note

Maintenance / inspection at operating hours

WORK TO BE CARRIED OUT R 974 C By maintenance personnel (machine owner)

By authorized specialist personnel

Note

HYDRAULIC QUICK-CHANGE ADAPTER

MECHANICAL QUICK-CHANGE ADAPTER

Tab. 5-16 Maintenance chart 1 2 3 4

MJFCIFSS

5 - 111

5 - 112

MJFCIFSS