21
Operation
PROBLEM POSSIBLE CAUSE CORRECTION
Operation is rough 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 system pressure. See item on troubleshooting low oil pressure directly
below.
Wrong oil. Drain oil and replace with correct grade. Refer to
Figure 4, the
Recommended Oil List.
Accumulator malfunction. Check accumulator and recharge/replace as
necessary.
Tractor engine idling too low, or PTO
stalled.
Increase tractor engine speed.
Hydraulic system suction leaks.
Observe oil exiting lube valve while
tractor is operating. Suction leaks will
cause oil to foam.
Check the following for air leaks:
1. Suction hose to pump connection
2. Pump shaft seal
3. Suction fi lter cover and gasket
4. Suction hose for cracks or collapsed sections.
Control lever/Control cables need
adjustment.
Check for correct adjustment as outlined in
Subsection of Service Manual. Make sure the ends
of the cables are fastened correctly. Double-check
push-pull cable housing to ensure it is securely
anchored on both ends. Be sure control lever has
full movement and is not hitting lever housing or cab.
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