Kobelco SK480LC-6E Hydraulic Excavator Operator's Manual - PDF DOWNLOAD

OPERATOR'S MANUAL HYDRAULIC EXCAVATOR

SK480LC-6E

Applicable: YS06U0294~ LS91Z00002D6

07/03

OPERATION & MAINTENANCE MANUAL

HYDRAULIC EXCAVATOR SK480LC–6E YS06U0294 ~

Dynamic Acera PART NUMBER NUMBER:: LS91Z00002D6

© 2003 KOBELCO CONSTRUCTION MACHINERY AMERICA LLC, Calhoun, Georgia / Carol Stream, Illinois USA. All rights reserved. Any use of editorial or pictorial content is strictly prohibited without express written permission from KCMA LLC Calhoun, Georgia / Carol Stream, Illinois USA. Printed in USA. (06/03)

ISSUED: 06/03;

REV. 0

KOBELCO CONSTRUCTION MACHINERY AMERICA LLC

• FOR ORDERING For ordering parts and service, inform the Kobelco Dealer of your machine’s Serial Number and Engine Serial Number stamped in the locations shown on the illustration below. For future reference, record these Serial Numbers in the spaces provided below:

SK480LC - 6E

MACHINE NUMBER

YS06U____________________

ENGINE NUMBER

• LOCATION OF MACHINE’S SERIAL NUMBER

• LOCATION OF ENGINE’S SERIAL NUMBER

Manufacturer: KOBELCO CONSTRUCTION MACHINERY AMERICA LLC

Model: Serial Number: Manufacturing Year:

NOTE: The numbers in the illustrations are for explanation only and differ from actual numbers

KOBELCO/MMC WARRANTY STANDARD WARRANTY COVERAGE (ENGINE): • One (1) year, unlimited hours.

• Two (2) years, two thousand (2,000) hours, whichever occurs first.

• Three (3) years, ten thousand (10,000) hours, whichever occurs first, for major components (cylinder block, cylinder head, connecting rods, crankshaft, camshaft, and cam gear)

OWNER’S WARRANTY RESPONSIBILITIES: • As the Kobelco excavator owner, you are responsible for the performance of the required maintenance listed in this operator’s manual. Kobelco America Inc., recommends that you retain all receipts covering maintenance on your excavator.

• As the Kobelco excavator owner, you should however be aware that Kobelco Construction America LLC, may deny you warranty coverage if your machine’s engine has failed due to abuse, neglect, improper maintenance or unaproved modifications.

• Your Kobelco excavator’s engine is designed to operate on commercially available Diesel fuel only.

• You are responsible for initiating the warranty process. The California Air Resources Board suggests that you present your engine to an authorized Kobelco dealer as soon as a problem exists. The warranty repairs should be completed by the dealer as expeditiously as possible, not to exceed 30 days.

If you have any questions regarding your warranty rights and responsibilities, you should contact Kobelco Construction Machinery America LLC. at the office shown below: Kobelco Construction Machinery America LLC 245 East North Avenue Carol Stream, IL 60188-2021 Tel: (630) 260-4000 Fax: (630) 260-4460 www.kobelcoamerica.com

CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHT AND OBLIGATIONS: The California Air Resources Board and Mitsubishi Motors Corporation (hereinafter referred to as ARB and MMC) is pleased to explain the emission control system warranty on your 1996 and later heavy-duty off-road engines. In California, new heavy duty off-road engines must be designed, built and equipped to meet the State’s stringent anti-smog standards. MMC must warrant the emission control system on your engine for the periods of time listed below, provided there has been no abuse, neglect or improper maintenance of your engine.

Your emission control system may include parts such as the fuel injection system and the air induction system. Also included may be hoses, belts, connectors and other emission-related assemblies.

Where a warrantable condition exists, MMC will repair your Kobelco excavator’s engine at no cost to you including diagnosis, parts and labor.

MANUFACTURE’S WARRANTY COVERAGE: The 1996 and later heavy-duty off-road engines are warranted for a period of five years or 3,000 hours of operation, whichever occurs first on emission related components. In the absence of a device to measure hours of use, the engine shall be warranted for a period of five years. If any emission-related part on your engine is defective, the part will be repaired or replaced by MMC.

OWNER’S WARRANY RESPONSIBLITIES: As the heavy-duty off road engine owner, you are responsible for the performance of the required maintenance listed in your owner’s manual. MMC recommends that you retain all receipts covering maintenance on your heavy-duty off-road engine.

As the heavy-duty off-road engine owner, you should however be aware that MMC may deny you warranty coverage if your heavy-duty off-road engine or a part has failed due to abuse, neglect, improper maintenance or unapproved modifications.

Your engine is designed to operate on commercially available diesel fuel only.

You are responsible for initiating the warranty process. The ARB suggests that you present your heavy-dutty off-road engine to a MMC dealer as soon as a problem exists. The warranty repairs should be completed by the dealer as expeditiously as possible, not to exceed 30 days.

If you have any questions regarding your warranty rights and responsibilities, you should contact at the office shown below.

Mitsubishi Engine North America, Inc. 1250 Greenbriar Drive, Suite E Addison, Illinois 60101-1065 U.S.A. Tel. No. : (708) 268-0750 Fax. No. : (708) 268-9293 or California Air Resource Board 9528 Telstar Avenue El Monte, CA 91731 Tel. No. : (818) 575-6800 Fax. No. : (818) 575-6685

TABLE OF CONTENTS Safety Precautions

1

Machine Familiarization

2

Basic Machine Operation

3

Maintenance

4

Transportation

5

Specifications

6

Troubleshooting

7

Electrical and Hydraulic Schematics

8

Optional Equipment

9

Special Procedures

10

WARNING READ, UNDERSTAND AND FOLLOW ALL SAFETY PRECAUTIONS AND PROCEDURES FOUND IN THIS MANUAL BEFORE ATTEMPTING ANY OPERATION, INSPECTION OR MAINTENANCE OF THIS MACHINE, ATTACHMENT OR SYSTEMS OPERATION. KOBELCO CANNOT ANTICIPATE EVERY POSSIBLE CIRCUMSTANCE THAT MIGHT INVOLVE A POTENTIAL HAZARD. THE WARNINGS IN THIS PUBLICATION AND ON THE PRODUCT ARE THEREFORE NOT ALL INCLUSIVE. IF A TOOL, PROCEDURE, WORK METHOD OR OPERATING TECHNIQUE NOT SPECIFICALLY RECOMMENDED BY KOBELCO IS USED, YOU MUST SATISFY YOURSELF THAT IT IS SAFE FOR YOU AND OTHERS. YOU SHOULD ALSO ENSURE THAT THE PRODUCT WILL NOT BE DAMAGED OR MADE UNSAFE BY THE OPERATION, LUBRICATION, MAINTENANCE AND/OR REPAIR PROCEDURES YOU CHOOSE.

ENG. COMP. LIGHT

WV 10 KEY SW. 1.25

9 AM/FM RADIO BACKUP

YB 10A

10A

10A

ELECTRIC CIRCUIT DIAGRAM (A) KCMA APPLICABLE YS06U0294 ~

E-1: FUSE BOX

4

22 23

E4 (GND)

B

E5 (GND)

B

WR 1.25

B

SPARE 20

AIR CON 19

303 BrG 4

6-92

6-56

6-99

6-58

B

6-100

67

BG

6-42

6-60 R25: EMERGENCY STOP RELAY KEY ON

6-54 6-34

6-33 6-51

60

WL

6-61

6-35

60A

60A

2

E5 W 60B

SHIELD

BATTERY 60B

6-43

BATTERY 60B

6-36 WY

51 R

309 B 310 R

R

311 W

W

312 LW

L

313 BW

G

314 YV

Y

E3 W

330 Lg

4

B

317 V

V

6-40

6-44

2OB

M

M

W

ACCEL1 (SIG)

ACCEL1 (GND)

S

E

E-2: ALTERNATOR

B

R

66 L P L

E

B

D-3 30 GY 65 WR

5B

C-1: MECHATRO CONTROLLER

R P

16-16

6-17

VCC SIGNAL GND

LIMP HOME

L

315 BrY

Br

VB POWER GND PMW

Y

6-5

319 B

W

320 W

R

4 6-26 6-25

16-13

L

BUF VIST

SIGNAL GND VCC

SHIELD

6-73

6-83

PMW

PULL DOWN

318 LY

331 YB

POWER GND

6-75

GND SIGNAL

Y

321 BO

R B

322 BR

RW BW

323 YR

YL

324 BrL

Y

16-14

R-4: SAFETY RELAY

6-27 6-6

E-3: HOUR METER 65 WR

H -M

ACCEL2 (SIG)

B

ACCEL2 (GND)

8

65 WR 60 WL

PREHEATING 1A 3 1B

4 8

6-50

6-28

325

L

326

OL (SIG)

LW

327 GrL (GND)

GW

(5V)

YR

6-84

15-24

CHARGE KEY ON

6-18

61 GrB RY

12-15 12-16 15-12

E2 B (GND)

15-25

RY

E3 (GND)

12-13

15-13

B

15-26

YG

15-14 TO

E-2

E---1

TCV ADV-RTD (PUMP)(RET)

59

64 LW

5W

D-4

E

S R-2: STARTER RELAY

6-45

HEATER

781 LR

B

33

R-3: HEATER RELAY 34

780 LG

M-1: STARTER MOTOR

2OB

VB

TIMING SENSOR

63 WY

SW-1: KEY SW.

66

66 5L

61 GrB

SK480LC–6E Dynamic Acera OM, 06/03 Rev. 0

316 BP

W

L-14: DIAG LAMP (Amber)

B

LS03Z00006P1

6-22

Br

R

58 P

D-1

ACC M G1 G2 ST

6-91

315 BrY

64 LW 59 W 60B

TERMINAL 10

329 LgR

R21: HEATER RELAY

4

6-53 6-9

L-13: DIAG LAMP (Red)

R-1: BATTERY RELAY

SHIELD

10 1.25WV

6-65

700 WG

E2 B

O A O F C N F C

SE-30: ENG.RPM SENSOR FOR ELECT. GOVERNOR

GOVERNOR

63

ENGINE START

51 G

D-9

5

SHIELD 308 G

B

WL

4

306 R 307 W

6-4

6-52

54 R

60

B B

6-87

6-1

55 1.25WP

ENGINE CONTROLLER CHECK CONNECTOR

1

SHIELD

E4 B

S T A R T

16 7

305 GL

6-15

54 G

ION G POSITPREHEATIN

Y

304 GB

SHIELD

20A

10A RL

20A WG 1.25 AIR CON 18

20A WL

OPT WORKING 17 1.25 LIGHT

20A RW 1.25 WORKING LIGHT(F) 16

10A WB SOLENOID 15 LEVER LOCK

RB 1.25 WIPER,WASHER 14

CLUSTER GAUGE 13

W

20A

10A

20A SWING FLASHER, REAR RG 12 WORK LIGHT, ALARM 1.25

AC/DC POWER OL CONVERTER 11 1.25

10A

55 1.25WP

C-1 15-25 3

302 BrW

6-93

G

3A

53 5Y

54 2R MECHATRO CONTROLLER C-1 15-26

6-37

6-46

R

3B

50 1.25L

22

6-82

B

301 Sb

E-18: Q-ADJ. RESISTOR

52 5R

23

SW-44: DIAG DISPLAY SW. 6-71

328 GrR

4

20A

TUNER (RADIO)

CPU BACK UP 8 BACK-UP HR-METER

YR

YG

7

6 HORN

CIGARETTE LIGHTER

5 YL

WG

10A

10A

ENGINE

4 CONTROLLER

Y 10A

CONTROLLER

ENGINE 3B CONTROLLER

R

3A ENGINE

G

10A

2 WY

WIPER/WAHSER RELAY

MECHATRO CONTROLLER

1B

10A

RY 20A

MECHATRO CONTROLLER

1A

RY 51 2W

C-6: ENG. CONTROLLER SW-45: MEMORY RESET SW.

WATER TEMP. SENSOR BOOST SENSOR

FROM

ELECTRIC CIRCUIT DIAGRAM (B)

C-1:MECHATRO CONTROLLER

SE-16:ACCEL POTENTIO

SE-1:BUCKET DIGGING

SE-2:BUCKET DUMP

C-9: IT CONTROLLER (ORBICOMM)

SE-3:BOOM RAISING E-24: ANTENNA

9

ANTENNA

YB DC

IN

12-24V

17-5

811 V 611 R 612 W 613 B

E-25: ANTENNA

GPS

B

17-14 17-15 17-16 GND AT SLEEP RELEASE

SE-4:BOOM LOWERING

SE-7:ARM IN INTERFACE

300 BG 301 BW 302 BY 303 Br 304 BrW 305 GL 306 GY 307 L 308 LB 309 RW 310 V

3 4 5 6 8 9 10 12 13 14 15

DIGITAL OUTPUT DIGITAL OUTPUT DIGITAL INPUT DIGITAL INPUT ANALOG INPUT ANALOG INPUT ANALOG INPUT ANALOG GND OUTPUT TRANSMITTING OUTPUT RECEIVING GND

SE-8:ARM OUT

SE-6:SWING RIGHT

SE-5:SWING LEFT

LOW PRESS.SENSORS

SE-9:TRAVEL RIGHT

SE-10:TRAVEL LEFT

SE-26:P1 NEGA-CON.

SE-27:P2 NEGA-CON.

SE-28:BACK PRESS.

SE-22:PUMP P1 C-2:CLUSTER GAUGE 13

SE-15: FUEL SENSOR

B

5 601 BrR

SE-23:PUMP P2

21-7 ENG.WATER TEMP INDICATOR

21-3

600 YR 553 VW

C-1 13-15

SE-20:P1 OPT.

FUEL METER

21-4

LCD BACK LIGHT

85 1.25WB

8 R-6: WORK LIGHT RELAY

SE-11:P2 OPT.

SW-36: INDEPENDENT TRAVEL SW. B A

M

B

21-6

967

BW(GND)

900

RB (5V)

500

LgR

950

BrR (GND)

901

RL (5V)

501

LgW

951

BL (GND)

902

W (5V)

502

LgY

952

BR (GND)

903

OB (5V)

503

LO

953

BrW (GND)

904

OL (5V)

504

PG

954

BrL (GND)

505 PL

906

YB (5V)

506

VY

956

GrL (GND)

907

YG (5V)

507

VG

957

Br (GND)

908

YL (5V) VY

508

958 BY (GND)

ORBICOMM

SE-14: COOLANT THERMO SENSOR

P

955 Gr (GND)

OPTION CONNECTOR

W

WR(5V)

517

905 OW (5V)

REMOTE POWER CONTROL RXD1 TXD1 GND GROUND CHASIS

11 2 1 7

917

SW-35: HEAVY LIFT SW.

909

YR (5V)

509

Sb

959

BG (GND)

910

WY(5V)

510

GR

960

BY (GND)

911

RG(5V)

511

LY

961

BW(GND)

912

RW(5V)

512

Sb

962

GrG (GND)

915

YL (5V) V

515 965

BrB (GND)

916

YR (5V)

516

L

966

BrY (GND)

913

RB (5V)

513

LgR

963

BW(GND)

914

RL (5V)

514

GO

964

BL (GND)

B

540 LG

B

543 GO

11-33 11-32 11-31 11-15

SW-4: SWING PARKING RELEASE SW.

11-14 11-13 11-16 11-17 11-18

12-18

11-3

15-22

11-2

545 Lg 701 V

TERMINAL

KCMA APPLICABLE YS06U0294~ C-1: MECHATRONIC CONTROLLER

E-1

N L E TIO A AS SI RM LE PO NO RE

SV-1: SWING PARKING BRAKE SOL. 1 2 3

B

720 PB

11-1 11-4 15-21

11-5

702 LgB

SV-3: TWO-SPEED SELECT SOL. B

703 P

SV-2: POWER BOOST SOL. B

11-6 11-9

15-23

11-8 11-7 11-10

15-6

11-11

15-7

11-12 11-21

15-8

11-20

15-9

11-19 11-22 11-23

15-4 15-5

11-24 11-27

15-10

11-26

15-11

11-25

740 BO PSV-B: P2 BY-PASS CUT PROPORTIONAL SOL.

741 GrR 742 VR

PSV-C: TRAVEL PRIORITY PROPORTIONAL SOL.

743 GrB 744 BP

PSV-D: P1 BY-PASS CUT PROPORTIONAL SOL.

745 PW 746 BrG

PSV-A: ARM VARIABLE RECIRCULATION PROPORTIONAL SOL.

747 YV

11-28 11-29 11-30 12-9 12-8 12-7 12-10 12-11 12-12

15-18

749 GrG

15-17

748 VR

15-20

751 GY

15-19

750 VW

PSV-P1: PUMP P1 PROPOTIONAL SOL.

13-15 13-14 13-13 12-3 12-2

PSV-P2: PUMP P2 PROPOTIONAL SOL.

12-1 12-4 12-5

16-1

12-6

16-2

752 WV PSV-E: INDEPENDENT TRAVEL PROPORTIONAL SOL.

753 GR

13-4 13-5

16-3

13-6

16-4

13-3 13-2

754 WL PSV-F: INDEPENDENT TRAVEL PROPORTIONAL SOL.

755 GR

13-1

13-16 17-9

LCD 21-2 21-1

A: SCREEN CHANGE SW. B: BUZZER STOP SW. C: MODE SW. D: WASHER SW. E: FAST TRAVEL SW. F: AUTO ACCEL SW. G: WORK LIGHT SW. H: WIPER SW.

SW-21: POWER BOOST SW.

21-8 A

E

LED

B

F

LED

C

G

LED

D

542 GrG 580 R

SE-13: ENG.REVOLUTION SENSOR FOR MECHATRONIC CONTROLLER

581 W SHIELD 770 R

H

582 W 980 B SHIELD

14-11 12-20 12-21 12-22 14-25 14-26 14-27 14-28 TO

E---2

E-3 LS03Z00006P1

SK480LC–6E Dynamic Acera OM, 06/03 Rev. 0

ELECTRIC CIRCUIT DIAGRAM (C)

C-1:MECHATRO CONTROLLER

FROM 547

SW-6: ENG.WATER TEMP.SW.

GB

B

SW-8: AIR FILTER RESTRICTION SW.

C-1 15-13 SE-15: FUEL SENSOR

C-2

14-6

552 BrL 1

19

14-18 14-20

553 VW

5

14-21

14-8

14-22 14-23 B

SW-37: HYD.FLUID TEMP.SW.

14-19

563 O

14-24

17-8

930 RG (5V) 704 LgR

31-6

705 LG 706 VW

31-3

707 LY 556 BrW

31-1

981 GW(GND)

561 GR

32-14

569 LO

32-15

570 YB

17 C-3

SW-15: CONFLUX/SINGLE SELECT SW.

OPTION

SW-46: COUNTER REMOVAL SW.

OPTION

15

SW-29: NIBBLER OPEN SW

16

SW-30: NIBBLER CLOSE SW

31-8

566 LW

31-4

31-5

17

B

32-12

982 BG

31-2

SW-15

SW-42: ENG.OIL FILTER SW (BY-PASS ALARM).

564 LY

APPLICABLE YS06U0294~

14-7

330

RY

32-9

KCMA

SW-38: WARM-UP SW.

14-5

551 GL

B

SW-25: HYD.FLUID LEVEL SW.

14-3

550 BG

B

SW-24: ENG.COOLANT LEVEL SW.

562 O

14-2

549 Lg

B

SW-23: ENG.OIL LEVEL SW.

32-8 14-1

548 GY

SW-7: ENG.OIL PRESS.SW.

E-2

C-3: SW.BOX ASSY

31-7

982 BG (GND)

16-15 R-7: WIPER RELAY ASSY 2

WY PREVENT SPARK RELAY

Europe Only

14-12 583 VW

B

540

SW-39: OVER LOAD DETECTOR SWITCH

LG

13-16

14 708 LR

1.25RB

3

1

GrR M-3: WIPER MOTOR

7

M WIPER MOTOR REVERSING RELAY

709 GB

R-5: HORN RELAY 6

6

83 GO

WG

B

84 WR

10

B 14-14

80

6

14-13

SW-12: OVER LOAD ALARM SELECTOR SW.

2 WIPER MOTOR RELAY

4

81

GrB

B

B

E-5: HORN HIGH

B

E-6: HORN LOW

SW-10: HORN SW.

8

710 Gr

KAI Option

L-5: ROOM LIGHT M-4: WASHER MOTOR

WINDOW WASHER MOTOR RELAY

R-10: Breaker Relay

5

21

82

GO

M

B

9

9

YB

5

YL

9

711 GrL 14-15

14-9 D-11

14-10

220 LW

STOP

557 L 558 G

5

B 31

REVERSE

E-14: CIGARETTE LIGHTER

85 WB

R-6: WORKING LIGHT RELAY

22

R-12: ClockWise Relay

20

C-4: AIR CON.

R-15: Nibbler Open Relay

17-13

COUNTER WEIGHT REMOVAL

15 WB

87 YV

E

D

559

LW

SW-19: WIPER INTERLOCK SW.

R-6 7

85 WB

86 OW

18

18

1.25WG

1.25B

19

19

RL

151 R

24V

RXD

B

E-10: RECEIVER DRIER 150 BP

TXD

R-20: TIMER RELAY 15

PB

SW-13: AIR CONDITIONER SW. 24V

152 G

RXD

153 W

TXD

154 B SHIELD

SW-11: SAFETY LEVER LOCK SW. TIMER

A

SV-4: OPERATING LEVER LOCK SOL. B

E-11: AIR COMPRESSOR CLUTCH

155 BR

GND

COOLING UNIT

17-11

TO

LS03Z00006P1

SK480LC–6E Dynamic Acera OM, 06/03 Rev. 0

E-4 E---3

ELECTRIC CIRCUIT DIAGRAM (D)

C-1:MECHATRO CONTROLLER FROM

E-3

KCMA

WB

R-6:WORK LIGHT RELAY 16 2 14-16

1.25RW WY

713 BrY

APPLICABLE YS06U0294~

L-6:BOOM WORKING LIGHT RIGHT

85 1.25WB

WB

7

C-4

WB

8

SW-2

31

E-14 Cigarette Lighter

L-1:BOOM WORKING LIGHT LEFT B

7 9 R-19:FLASHER RELAY 12

E-7:TUNER AM&FM

ANT.

L-2:FRAME WORKING LIGHT RIGHT

YR

1(+) 7(-) FM/AM 2(+)

4

YB

8(-)

11

BACK UP

98

LW

99

Br

E-8:SPEAKER LEFT

100 LR

E-9:SPEAKER RIGHT

101 OB B

9

L-3:SWING FLASHER & WORKING LIGHT UNIT LEFT

RG

401

GR

R 24 V Standard for KCMALLC

R 14-17

714

WB

402

YG

E-22:DC-DC CONVERTER

Y 11

17-3

715

403

GW

Br

9

B

Br

OL

96

1GN 12V

YB

24V

MEM

WG

E-23:12V SOCKET

YV

97

B

GND GND

Standard for Europe SW-9:SWING FLASHER SW.

B

560

LgY

14-5

401 17-4

716

GR

WV

R

402

R

E-7:TUNER AM&FM

ANT.

YG Y 96

403

B

Br

97

Br

WG

4

RY BACK UP

11

1(+) 7(-) FM/AM 2(+)

98

LW

99

Br

E-8:SPEAKER LEFT

100 LR

E-9:SPEAKER RIGHT

101 OB

8(-)

B

9

L-4:SWING FLASHER & WORKING LIGHT UNIT RIGHT SWING FLASHER & WORKING LIGHT Optional Working Lights R-8: Travel Alarm 12

1.25 RG 2

17-6

TO

717

88 WY

E-13: TRAVEL ALARM

R-9:OPT.WORK LIGHT RELAY

PG B

17

1.25WL WY

90

RY

BrL

89

BP

RY

B

RY

B

L-7:CAB WORKING LIGHT FRONT 1

B SW-26: OPT.WORK LIGHT SW.

L-8:CAB WORKING LIGHT FRONT 2

E-5

Optional Rotary Light SW-40:ROTARY LIGHT SW. 17

L-10:ROTARY LIGHT

WL

91

Y

B

M-11:FUEL SUPPLY PUMP

20

10A

WV

B

M

Optional SW-16:ENG.COMPARTMENT LIGHT SW. 9

YB

L-11:ENG.ROOM LIGHT B

Optional

E---4

LS03Z00006P1

SK480LC–6E Dynamic Acera OM, 06/03 Rev. 0

ELECTRIC CIRCUIT DIAGRAM (E)

C-1:MECHATRO CONTROLLER FROM

E-4

KCMA

APPLICABLE YS06U0294~

KCMA Option: COUNTER WEIGHT REMOVAL

C-9: GLIP ASSEMBLY

R-22: COUNTER WEIGHT REMOVAL RELAY 1 15

WB

110

LW

B

111 WB

85

OW

85

OW

B

R-23: COUNTER WEIGHT REMOVAL RELAY 2 R-24: COUNTER WEIGHT REMOVAL RELAY 3 WB

KCMA Option: HAND CONTROL FOR BREAKER

17-1

112

W

113

Br

114

BW

115

O

116

L

117

Y

SV-11: PILOT

SV-5: Breaker Sol. R-10: Breaker Relay 15

223 YG

WB 21

B

262 LY

LW

B

SV-12: TILT DOWN

SW-43: BREAKER SW. D-12

666

LG

14-4 SV-13: TILT UP

KCMA Option: HAND CONTROL FOR ROTATION YG

214

SV-6: Clockwise Sol.

R-12: Clockwise Relay 22

216 O

LW

B SV-14: HOIST DOWN

217 BrL SW-33: B Clockwise SW

D-5

GrL

610

SV-14: HOIST UP

SV-7: Counterclockwise Sol.

GR

215

17-12

D-6 218 P 219 R-13:Counterclockwise Relay

B B

GY

SW-34: Counterclockwise SW KCMA Option: HAND CONTROL FOR NIBBLER OPEN/CLOSE SV-9: NIBBLER OPEN SOL. SW-29: NIBBLER OPEN SW.

15

569

LO

982

20

BG

R-15: Nibbler open Relay

OW 2

17

246 LY

B

WY

17-2

16

SW-30: NIBBLER CLOSE SW. 982 570 YB

BG

R-16:NIBBLER CLOSE RELAY

17

SV-10: NIBBLER CLOSE Sol. 248 V

B

17-5

LS03Z00006P1

SK480LC–6E Dynamic Acera, 06/03 Rev. 0

E-5

SK480LC-6E KCMA STD LS01Z00014P1

a1 A1 A2 a2

PSV2 PH2 a6

SE26

SE27 a8

Pcr 35.8~37.2 MPa

P

a9

ؔ0.7

PN1

PN2

ؔ0.7

Ø0.6

Ø0.8

VA

VA Ø0.6

Ø0.6

Pcr

VB

VB

Pcr

REG

REG

3 SWING PA

9 D

C

a3

F DEA B MA

MA TRAVEL RIGHT

DR

AV T 25.5MPa at 370L

T

D

TRAVEL LEFT

C F DE AB

a4 BV a7

PB

A3

R2

P2

SWING 5pb2 5B2 5pa2 5A2

15 16

LEFT TRAVEL

RIGHT

FORWARD

4pa1

FORWARD BACKWARD BACKWARD

4A1 4pb1 4B1

SE1

SE2

SE3

SE4

SE5

SE6

SE7

SE8

P

P

P

P

P

P

P

P

4pa2

Ø1.6 Ø1.8

LEFT RIGHT LEFT

DIGGING 5pb3

P

95 m C

B

OPTION1

5B3 5pa3

12

DOWN

5pb4

5

5B5 5pa5

OUT

IN

27 (OPTIONAL)

34.8MPa at 30L

4-Ø2

ARM-1 5pb5

6 BOOM RH

4B3

DOWN

13

4pb3 4A3

UP

ACC

BOOM LH

BOOM-1

D

23 24

4pa3 36.3MPa at 30L

BOOM-2

22

BUCKET

34.8MPa at 30L UP

UP

5pa4

A

4A2 4pb2 4B2

DUMP

5A3 Ø0.9

8

36.3MPa DIGGING at 30L

Ø18-Ø8

0.02MPa

17

BUCKET DUMP

4pa4

IN

OUT

34.8MPa at 30L

Ø1.3

6

8

S

21

OIL COOLER

SWING RIGHT SWING LEFT ARM OUT ARM IN BOOM DOWN BOOM UP BUCKET DUMP BUCKET DIGGING

31.4 MPa at 180.2 L/min 34.3 MPa at 160.2 L/min (POWER BOOST) Pz1 P1

SL

FORWARD BACKWARD BACKWARD

AC

5B1 5pa1 5A1

SC

14

Pcr 490 KPa

RIGHT TRAVEL

AK

18

FORWARD

AR

28

Pcr 147 KPa

PR

pc

5pb1

19

M

R1

BD BC

Dr5

BA BK

B3

Dr3

BL

B1

BH

Dr2

SR

P2

AD

P1

235.4kW/2000rpm

B

M

1

4.9MPa

15.0 cc/rev

BR

P

P

4

26

Pcr 35.8~37.2MPa

a5 PH1 PSV1

25

P SE23

P

MB

MB

P SE22

ARM-2 4pb4 Ø1.2

IN

5

7

3

2

1

4

Po

5A5 OUT

10 3.14MPa at 50L

36.3MPa at 30l

3.14MPa at 50L

5pc1

4-Ø2.1

dr3 5pc2

4-Ø2.1 5pf1

5pc3

dr4

c b dr1

RS R3 dr5 a

4pf1

4pc2

7 4pc1

2

P SE28

dr2

ARM

T

T

P

P ARM&SWING PILOT VALVE

BOOM&BUCKET PILOT VALVE

11 TRAVEL PILOT VALVE

RIGHT TRAVEL FORWARD RIGHT TRAVEL BACKWARD LEFT TRAVEL FORWARD

4

6

P

P

S E9

3

T

2

5

1

P SE10

LEFT TRAVEL BACKWARD

LEVER LOCK

A1 ATT A2 A3 P2 BOOSTING BY-PASS CUT

A4 TRAVEL PRIORITY

P1 BY-PASS CUT

A5

A6 ARM VARIABLE RECIRCULATION

TRAVEL 1/2SPEED CHANGEOVER

A7

A8 SWING P/B

20 TS T P1

HS-1

P2

1....Main Hydraulic Pump 2....Main Control Valve 3....Swing Motor 4....Travel Motor Assy.

5....Boom Cylinder 6....Boom Cylinder 7....Arm Cylinder 8....Bucket Cylinder 9....Swivel Joint

10.... Left and Right Hand Pilot Control Valves 11....Travel Pilot Control Valve 12....Pilot Filter Manifold 13....Accumulator 14....Suction Strainer 15....Return Check Valve (0.49 MPa) 16....Return Check Valve (0.15 MPa) 17....Return Filter 18....Return Filter Check Valve

SK480LC-6E NEUTRAL CIRCUIT : NEGA-CON function at safety lock lever ON (Down:Unlocked position)

19....Tank Breather Valve 20....8 Solenoid Manifold 21....Double Check Valve 22....Arm In Fixed Restrictor Check Valve 23....Bucket Dig Fixed Restrictor Check Valve 24....Bucket Dump Fixed Restrictor Check Valve 25....Independent Travel Solenoids 26....Independent Travel Valves 27....Pattern Changer Vavle (Optional) 28....Hydraulic Oil Cooler

KOBELCO CONSTRUCTION MACHINERY AMERICA, LLC. Part Number North American English 245 E NORTH AVENUE Printed in U.S.A. CAROL STREAM, IL 60188 U.S.A

LS91Z00002D6 NA JULY03 CS