8 - TROUBLESHOOTING
Loader attachment
PROBLEM
POSSIBLE CAUSE
CORRECTION
Valve spool leaking.
Inspect the spool and check it for
wear or scratches.
The lifting circuit fails to operate, is
slow or loses power.
Cylinder seals leaking or cylinder
barrel damaged.
Inspect and reseal the cylinder.
The relief valves are stuck open, set
to a too low value or there is a leak
in the seat.
Check the bucket circuit relief valve.
Valve spool leaking.
Inspect the spool and check it for
wear or scratches.
The bucket fails to operate, is slow
or loses power.
Cylinder seals leaking or cylinder
barrel damaged.
Inspect and reseal the cylinder.
Damaged cylinder barrel.
Inspect and reseal the cylinder.
Cylinder leak (spools in neutral).
Internal valve leak.
Inspect the spool and check it for
wear or scratches.
Hesitation in the raising movement
of the loader attachment or of the
bucket cylinders when the control is
initially actuated.
Load check valve between control
valve sections damaged.
Disassemble and inspect.
8-21
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: ......