19
Operation, Power Controls
PROBLEM
POSSIBLE CAUSE
CORRECTION
Hydraulic oil becomes too hot.
Winch is operated in the
BRAKE-OFF
position for long periods.
Use the
BRAKE-OFF
position less. When
the
BRAKE-OFF
position is used, the
hydraulic oil fl ows continuously through
the relief valve. See the Service Manual
for additional troubleshooting.
Low oil level.
Add oil.
Clogged suction strainer.
Check and clean or replace the suction
strainer.
Defective or improperly adjusted oil
relief valve.
See the Service Manual for additional
troubleshooting.
Brake begins to release before
clutch is applied.
Brake is worn or needs adjustment.
See the Service Manual for additional
troubleshooting.
Pressure modulator needs repair or
adjustment.
Winch brake does not apply or
release correctly.
Brake is worn or needs adjustment.
See the Service Manual for additional
troubleshooting.
Low oil pressure.
Figure 9 - Troubleshooting Analysis Check Chart (continued)
Summary of Contents for W12E
Page 13: ...xi Safety Summary Notes...
Page 14: ...xii Notes...
Page 37: ...23 Figure 10 Operator Electronic Controls Operation Electronic Controls...
Page 51: ...37 Intentionally Blank Maintenance...
Page 55: ...41 Operating Techniques Power Controls Intentionally Blank...
Page 59: ...45 Operating Techniques Electronic Controls Intentionally Blank...
Page 65: ...51 Operating Techniques General Intentionally Blank...
Page 68: ...54 Notes...
Page 69: ......