COMEUP Industrial Winch (Ver:03) - Manual (Page 18)

17
Symptom Possible Causes Remedy
Motor may be damaged
Remove and disassembly motor and examine all
parts and replace any that are worn or damaged
No oil supply to winch Check oil supply line connections and hoses
System not delivering full pressure
to winch
Confirm pump is running to a higher setting
Winch is Overload Reduce load to within rated capacity
The pressure is not adequate to
power the load, or the back
pressure is too high
Check the pressure on each side of the
hydraulic motor
Winch is mechanically binding up
Loosen, but not remove, the bolts that are
attaching the tie bar and support racks. Rotate
the drum, making sure that it turns freely without
sticking. Tighten the bolts.
Winch will
not pull load
The brake is not releasing
This requires disassembly of the brake
assembly. Remove and replace of the brake
assembly.
Poor locking of 2nd stage ring
gear
Clean any burs left on the ring gear
The gear train is mechanically
bundling up
This requires disassembly of the brake
assembly. Remove and replace of the brake
assembly.
Winch is mechanically binding up Same as above
Winch will
not pay out
Damaged clutch T-handle linkage Replace or remove the clutch assembly
Damaged drum seals
Replace drum seal
Damaged drum flanges Replace drum
Oil leakage
Front seal in the hydraulic motor
shaft has failed
Replace or repair the motor
Low oil level Refill oil
Excessive
noise
Oil flow too high Check oil flow rate
Fail in installing or damaged over-
center valve
Check over-center valve
Wrong oil flow direction of port A &
B on the over-center valve
Check over-center valve
Fail in
immediate
stop after
power off
Damaged brake assembly Replace or repair brake assembly
Insecure mounting Check mounting
Low oil flow Check flow rate Drum noise
Low relief Check relief valve setting