25
Operation, Electronic Controls
Figure 13 - Troubleshooting Analysis Chart
Troubleshooting Chart
PROBLEM
POSSIBLE CAUSE
CORRECTION
Operation is rough or irregular.
Hydraulic oil is too cold.
Put the control lever in the
BRAKE-OFF
position. Run the engine at 1000 rpm to
warm the oil before operating the winch.
Low oil level.
Add hydraulic oil to the correct level.
Low oil pressure.
See the Service Manual for additional
troubleshooting.
Wrong oil.
Drain oil and replace with correct grade.
Refer to Figure 3, Recommended Oil List.
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/fi lter.
Check and clean or replace the suction
strainer.
Clutches are dragging.
Check the clutch pressure.
Defective or improperly adjusted oil
relief valve.
See the Service Manual for additional
troubleshooting.
(continued on next page)
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