Liebherr R 934 C 1439 Hydraulic Excavator Operating Manual SN 33766 - PDF DOWNLOAD

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

Fig. 1-1

Machine with backhoe attachment

MJFCIFSS

Fig. 1-2

Machine with industrial attachment

MJFCIFSS

Fig. 1-3

Uppercarriage

MJFCIFSS

Fig. 1-4

Undercarriage

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MJFCIFSS

MJFCIFSS

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MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

MJFCIFSS

Fig. 2-1

Overview of the signs on the machine

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Fig. 2-2

Important nameplates on the machine

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Fig. 3-1

Controls in the cab

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Fig. 3-2

Joystick right (3) and left (4)

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Fig. 3-3

Arrangement of push buttons and switches in the control levers

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Fig. 3-4

Control levers with push buttons, switches and mini joysticks

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Fig. 3-5

Control unit

he function of the keys marked with (M) are memorized when the machine is stopped: When starting the machine, the controlled function recovers the previous state (onoff, 1-2, I-C, ...) which was active before the machine was switched off

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No overload warning device recognized

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set option

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Fig. 3-6

Monitoring display

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Fig. 3-7

Menu control keys

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Fig. 3-8

Main screen - Division into four fields

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Fig. 3-9

Main screen

Fig. 3-10

List of menus

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Fig. 3-11

Resetting the daily operating hours counter

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Fig. 3-12

Adjustment of the proportional control

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Fig. 3-13

Menu "Set Service"

MJFCIFSS

Fig. 3-14

Menu "Set option"

MJFCIFSS

Fig. 3-15

Main screen, the choosen option is displayed

Fig. 3-16

Menu "Info Hours" operating hours of Diesel engine

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Fig. 3-17

Menu "Info Hours" duration of the various movements

Fig. 3-18

Menu "Info Hours" general machine data

MJFCIFSS

Fig. 3-19

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

MJFCIFSS

Fig. 3-20

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

Fig. 3-21

Menu "Info In/Outputs"- Current to the solenoid valve EV3

MJFCIFSS

Fig. 3-22

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

Fig. 3-23

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

MJFCIFSS

Fig. 3-24

Menu "i-errors" Display of the memorized errors

MJFCIFSS

Fig. 3-25

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

MJFCIFSS

Fig. 3-26

List of the electrical errors

Fig. 3-27

List of operating faults appeared in service mode

MJFCIFSS

Fig. 3-28

Setting of the clock

Fig. 3-29

Confirmation of the storage of the new time

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Fig. 3-30

Menu "set purge"

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OK

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serie

seed

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Fig. 3-31

Climb up using the handholds

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Fig. 3-32

Door - exterior

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Fig. 3-33

Door - interior

Fig. 3-34

Safety lever

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Fig. 3-35

Operator seat

MJFCIFSS

MJFCIFSS

Fig. 3-36

Safety belt

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Fig. 3-37

Locked positions of the windscreen

Fig. 3-38

Sunshades at windscreen and at cab roof

MJFCIFSS

Fig. 3-39

Emergency exit – rear window

Fig. 3-40

Dome light for cab interior lighting

MJFCIFSS

Fig. 3-41

Possible locations for fixing the fire extinguisher

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Fig. 3-42

Windscreen washing fluid container

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Fig. 3-43

Arrangement of lighting

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Fig. 3-44

Louvers, filters and air flow in the cab

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Fig. 3-45

Water valves on diesel engine.

MJFCIFSS

Fig. 3-46

Mini-clock of the standstill heater

Setting the heating time

Setting the heating time

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1, 2 1, 2

3

1, 2

3

3

ON

Fig. 3-47

Mini-clock of the standstill heater

preset time 1, 2 or 3 ON 1, 2

3

MJFCIFSS

MJFCIFSS

Fig. 3-48

Ignition switch

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Fig. 3-49

Display of the term of upcoming maintenance works

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Fig. 3-50

Speed adjustment and operating modes selection

MJFCIFSS

Fig. 3-51

Engine speed adjustment via the arrow keys S228 and S229

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Fig. 3-52

Emergency off switches on keyboard and on uppercarriage structure

MJFCIFSS

Fig. 3-53

Symbol admonitoring that the engine will stopped

MJFCIFSS

Fig. 3-54

Coolant / motor oil / hydraulic oil preheating

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Fig. 3-55

Travelling straight ahead

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Fig. 3-56

Counter rotation with both tracks

Fig. 3-57

Turning with a crawler

MJFCIFSS

Fig. 3-58

Hand levers for manual travel control

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Fig. 3-59

Travelling up

Fig. 3-60

Travelling down

Fig. 3-61

Travel warning device

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Fig. 3-62

Rotating the uppercarriage

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Fig. 3-63

Working position of the machine

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Fig. 3-64

Stick cylinder control

Fig. 3-65

Boom cylinders control

MJFCIFSS

Fig. 3-66

Float position of the boom cylinders with a shovel attachment

Fig. 3-67

Operation of the bucket or grapple cylinders

MJFCIFSS

Fig. 3-68

Lowering the attachment with shut down engine

MJFCIFSS

Fig. 3-69

Activation of the medium pressure circuit (S19) and actuation of the working tool (S5L/S5R)

Fig. 3-70

Actuation of working tools

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Fig. 3-71

Example of a cut-off of the stick movement with an adjustable proximity switch

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Fig. 3-72

Unlocking of movement cut-off

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overload warning

overload warning

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Fig. 3-73

Hydraulic adjustment of the cab

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Fig. 3-74

Shutoff valve in the cab

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Fig. 3-75

Shutoff valve

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Fig. 3-76

Control board E52

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MJFCIFSS

Fig. 3-77

Emergency mode of servo control circuits

Fig. 3-78

Switching the main pumps in emergency operation

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Fig. 3-79

Towing the machine

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Fig. 3-80

Removing and installing the bucket

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Fig. 3-81

Attaching and dismounting the bucket

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Fig. 3-82

Attaching and dismounting the grab on the stick

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Fig. 3-83

Attaching and dismounting the grab on the industrial stanchion

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Fig. 3-84

Attaching and dismounting the stick to the boom

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Fig. 3-85

Mechanical quick-change adapter

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Fig. 3-86

Positioning the equipment

Fig. 3-87

Taking up the tool attachment

MJFCIFSS

Fig. 3-88

Locking the quick-change adapter

MJFCIFSS

Fig. 3-89

Unlocking the quick-change adapter

Fig. 3-90

Putting down the tool attachment

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Fig. 3-91

Mechanical quick-change adapter

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Fig. 3-92

Hydraulic quick-change adapter

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Fig. 3-93

Operating elements for the hydraulic quick-change adapter

Fig. 3-94

Push buttons on the joysticks

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quick-change adapter

quick-change adapter

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Fig. 3-95

Positioning the equipment

Fig. 3-96

Taking up the tool attachment, first step

Fig. 3-97

Taking up the tool attachment, second step

MJFCIFSS

Fig. 3-98

Moving the tool attachment into position

MJFCIFSS

Fig. 3-99

Putting down the tool attachment

Fig. 3-100 Hydraulic quick-change adapter

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quick-change adapter

quick-change adapter

quick-change adapter

Fig. 3-101 LIKUFIX

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Fig. 3-102 Connecting LIKUFIX

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Fig. 3-103 LIKUFIX work tool on quick-change adapter without LIKUFIX

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Fig. 3-104 Working position – machine

Fig. 3-105 Safe working

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Fig. 3-106 Aligning the stick and backhoe bucket

Fig. 3-107 Taking up grab material

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Fig. 3-108 Raising grab material

Fig. 3-109 Emptying grab material

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Fig. 3-110 Skimming

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Fig. 3-111 Straightening the stick

Fig. 3-112 Closing the grab shells

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Fig. 3-113 Raising grab material

Fig. 3-114 Emptying grab material

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Fig. 3-115 Taking up the load

Fig. 3-116 Transporting a load

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Fig. 3-117 Hydraulic hammer

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Fig. 3-118 Permissible A and not permissible B work areas of the machine with hydraulic hammer

Fig. 3-119 Loading ramp

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Fig. 3-120 Driving the machine onto the trailer

Fig. 3-121 Machine transport position

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Fig. 3-122 Lifting gear of a R934C / R944C

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Fig. 3-123 Secure a machine with 6 chains

Tab. 3-1

Lashing angles

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Fig. 4-1

LIEBHERR service

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Fig. 4-2

Fuse box E50

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Fig. 4-3

Fuses and relays, A1010 plate

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Fig. 5-1

Access doors on the machine

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Fig. 5-2

Door lock

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Fig. 5-3

Lubricating chart - manual lubrication

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Fig. 5-4

Lubricating chart - semi-automatic lubrication

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Tab. 5-1

Legend to lubrication chart

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Tab. 5-2

Lubricating oil specifications

Fig. 5-5

Temperature-based selection of the SAE class

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Tab. 5-3

Fresh water quality

Tab. 5-4

Fresh water quality with use of DCA 4*

Tab. 5-5

Permissible mixing ratio (for all seasons)

Fig. 5-6

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

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Tab. 5-6

Permissible corrosion inhibitors/antifreeze agent containing silicate from Liebherr

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Fig. 5-7

Liebherr hydraulic oil, viscosity grade selection based on temperature

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Tab. 5-7

Classification of products, engine oils for use as hydraulic oils

Fig. 5-8

Engine oil for use as hydraulic oil, viscosity grade selection based on temperature*

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Tab. 5-8

Oil change intervals

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Tab. 5-9

Symbols: Oil sampling depending on operating conditions

Tab. 5-10 Oil sampling depending on operating conditions

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Tab. 5-11 Symbols: Filter change depending on operating conditions

Tab. 5-12 Filter change depending on operating conditions

Tab. 5-13 Filter change depending on operating conditions

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Tab. 5-14 Lubricating oil specifications

Fig. 5-9

Temperature-based selection of the SAE class

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Fig. 5-10

Operating temperature for Liebherr greases

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Fig. 5-11

Oil level markings on the dipstick

Fig. 5-12

Drain valve on the oil sump, oil filter cartridges, oil filler cap

MJFCIFSS

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Fig. 5-13

Replacing the belt

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Fig. 5-14

Vibration damper

Fig. 5-15

Checking mounting screws

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Fig. 5-16

Replacing the oil separator

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Fig. 5-17

Heater flange

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Fig. 5-18

Valves location

Fig. 5-19

Clearance value for intake valves on the engine type identification plate.

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Fig. 5-20

Check and adjust intake valve clearance - cold

Fig. 5-21

Check and adjust exhaust valve clearance of 0,40 mm - cold F

MJFCIFSS

Fig. 5-22

Cooling system

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Fig. 5-23

Shutoff valves for the heating circuit

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Fig. 5-24

Draining the coolant

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Fig. 5-25

Determining refill volume - example for -15 °C:

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Fig. 5-26

Gefo refractometer 2710

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Fig. 5-27

Determining refill volume - example for 1 % Brix.

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Fig. 5-28

Push button and control light for option reversible fan

MJFCIFSS

Fig. 5-29

Fuel filler cap

MJFCIFSS

Fig. 5-30

Electrical refuelling pump

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Fig. 5-31

Draining the fuel tank

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Fig. 5-32

Fuel filter cartridges

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Fig. 5-33

Changing the fuel pre-filter

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Fig. 5-34

Changing the fuel fine filter

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Fig. 5-35

Bleeding the low pressure fuel system

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Fig. 5-36

Bleeding the injection lines

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Fig. 5-37

Dry air filter

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Fig. 5-38

Vacuum gauge, dust discharge valve, engine intake pipe

MJFCIFSS

Fig. 5-39

Changing the filter cartridges

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Fig. 5-40

Depressurizing the hydraulic system

MJFCIFSS

Fig. 5-41

Machine position for checking the oil level of the hydraulic system

Fig. 5-42

Hydraulic tank oil level

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Fig. 5-43

Draining and refilling the hydraulic oil

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Fig. 5-44

Return-line filter

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Fig. 5-45

Leak oil filter

MJFCIFSS

Fig. 5-46

Control oil unit

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Fig. 5-47

Replenishing oil filter in swing circuit

MJFCIFSS

Fig. 5-48

Hydraulic pumps

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Fig. 5-49

Cooling pump

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Fig. 5-50

Hydraulic cylinder

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Fig. 5-51

Shut off valve on the hydraulic tank

MJFCIFSS

Fig. 5-52

Drain of the working pumps

Fig. 5-53

Hydraulic tank vent filter

MJFCIFSS

Fig. 5-54

Piston rod mount

Fig. 5-55

Machine with piston rods drawn in

MJFCIFSS

Fig. 5-56

High pressure hose with SAE fitting

Tab. 5-15 Tightening torques for SAE fittings - Quality 10.9

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Tab. 5-16 Tightening torques for SAE fittings - Quality 8.8

MJFCIFSS

Fig. 5-57

Checking oil level and changing oil in swing gear

MJFCIFSS

Fig. 5-58

Travelling gear - adding and draining oil

MJFCIFSS

Fig. 5-59

Changing oil in splitterbox

MJFCIFSS

Fig. 5-60

Travel gear component mountings

MJFCIFSS

Fig. 5-61

Track unsufficiently (A) and properly (B) tightened

Fig. 5-62

Monitoring the track tension (with two carrier rollers)

MJFCIFSS

Fig. 5-63

Monitoring the track tension (with three carrier rollers)

MJFCIFSS

Fig. 5-64

Retensioning the track

MJFCIFSS

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Fig. 5-65

Raising the machine on one side

MJFCIFSS

Fig. 5-66

Main battery switch

MJFCIFSS

Fig. 5-67

Battery care

MJFCIFSS

Fig. 5-68

Recirculated air filter

Fig. 5-69

Fresh air filter

MJFCIFSS

Fig. 5-70

Heating unit with solenoid valve

MJFCIFSS

Fig. 5-71

A/C compressor and condensor

Fig. 5-72

Dryer-accumulator unit

MJFCIFSS

Fig. 5-73

Fan motor on the heating/air-conditioning device

MJFCIFSS

MJFCIFSS

Fig. 5-74

Greasing the grab

MJFCIFSS

Fig. 5-75

Centralized lubrication system

MJFCIFSS

Fig. 5-76

Full automatic lubrication system

MJFCIFSS

Fig. 5-77

Emergency lubrication

MJFCIFSS

Fig. 5-78

Refilling the grease container

MJFCIFSS

Fig. 5-79

Main and secondary distributor

MJFCIFSS

Fig. 5-80

Greasing the mechanical quick-change adapter

Fig. 5-81

Greasing the quick-change adapter

MJFCIFSS

Fig. 5-82

Cleaning the sieve filter

MJFCIFSS

Fig. 5-83

Replacing the sealing ring

MJFCIFSS

Fig. 5-84

Counterweight mounting bolts

Fig. 5-85

Swing ring mounting bolts

MJFCIFSS

Fig. 5-86

Hydraulic oil tank and fuel tank mounting bolts

Fig. 5-87

Swing gear and swing motor mounting bolts

MJFCIFSS

MJFCIFSS

Fig. 5-88

Replacing the teeth

MJFCIFSS

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