8 - TROUBLESHOOTING
Hydraulic System
PROBLEM
POSSIBLE CAUSE
CORRECTION
Pump drive inoperative.
Check and repair as necessary.
Low oil level.
Check the level and top up.
All circuits fail to operate.
Restricted pump suction line.
Inspect the suction line and the tank
and repair as necessary.
Worn pump.
Make a pump performance test,
replace and reseal as necessary.
Restricted pump suction line.
Inspect the suction line and the tank
and repair as necessary.
Load sensing pressure relief valve
incorrectly adjusted.
Make a system pressure test.
Slow operation or loss of power in all
circuits.
Hydraulic speed solenoid valve
inoperative.
Make a system pressure test.
8-20
Summary of Contents for 580ST
Page 8: ......
Page 24: ...1 GENERAL INFORMATION 1 16 ...
Page 49: ...2 SAFETY INFORMATION Extend telescopic dipper If fitted MOLI12LBB0092AA 24 2 25 ...
Page 101: ...3 CONTROLS AND INSTRUMENTS Setup menu LEIL12TLB00006I 1 3 39 ...
Page 144: ...3 CONTROLS AND INSTRUMENTS 3 82 ...
Page 164: ...4 OPERATING INSTRUCTIONS 4 20 ...
Page 166: ...5 TRANSPORT OPERATIONS RAIL14TLB1181GA 1 5 2 ...
Page 222: ...6 WORKING OPERATIONS 6 44 ...
Page 247: ...7 MAINTENANCE Fuel tank capacity 145 L 38 30 US gal 2WS 124 L 32 76 US gal 4WS 7 25 ...
Page 347: ...7 MAINTENANCE Fuses and relays Powershift cab 2WS MOLI12LBB0491CA 7 7 125 ...
Page 349: ...7 MAINTENANCE Fuses and relays Powershift cab 4WS MOLI12LBB0492CA 8 7 127 ...
Page 390: ...8 TROUBLESHOOTING 8 28 ...
Page 418: ...9 SPECIFICATIONS 4WS LEEN11T0039FA 2 9 28 ...
Page 420: ...9 SPECIFICATIONS 2WS 590ST LEEN11T0041FA 5 4WS 695ST LEEN11T0042FA 6 9 30 ...
Page 433: ......