Troubleshooting Chart - Allied Systems W12E Operating Manual

Troubleshooting Chart

PROBLEM
Operation is rough or not regular.
Hydraulic oil becomes too hot.
Figure 11 - Troubleshooting Analysis Check Chart (To be continued on next page)
Operation, Electronic Controls
POSSIBLE CAUSE
Hydraulic oil is too cold.
Low oil level.
Low oil pressure
Wrong oil.
Winch is operated in the BRAKE-OFF
position for long periods.
Low oil level.
Clogged suction strainer/fi lter.
Defective or improperly adjusted oil
relief valve.
CORRECTION
Put the control lever in the BRAKE-
OFF position. Run the engine at 1000
rpm to warm the oil before operating
the winch.
Add hydraulic oil to the correct level.
See the Service Manual for additional
troubleshooting.
Drain oil and replace with correct
grade. Refer to the approved oil list.
Use the BRAKE-OFF position less.
When the BRAKE-OFF position
is used, the hydraulic oil flows
continuously through the relief valve.
See the Service Manual for additional
troubleshooting.
Add oil.
Check and clean or replace the suction
strainer.
See the Service Manual for additional
troubleshooting.
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