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LUBRICATION TABLE
Min
Ambient
&
Operating
Max
Ambient
Max
Operating
80W140
Synthetic
‐
25
(
‐
32)
125
(52)
225
(107)
75W90
Synthetic
‐
40
(
‐
40)
115
(46)
215
(102)
80W90
Conventional
‐
20
(
‐
29)
100
(38)
180
(82)
85W140
Conventional
20
(6)
120
(50)
200
(93)
Temp
Range
F(C)
*Use
API
GL
‐
5
or
EP
lubricants.
Lubricant
Description*
TROUBLE SHOOTING GUIDE
CONDITIONS
POSSIBLE CAUSE
CORRECTION
OIL LEAKS FROM WINCH
1. Seals damaged or worn.
2. Too much oil.
3. Damaged
o-rings.
4. Case drain not connected.
1. Replace
seal
2. Drain excess oil. Refer to page 6.
3. Replace
o-rings.
4. Connect case drain.
WINCH RUNS TOO SLOW
1. Low flow rate.
2. Hydraulic motor worn out.
1. Check flow rate. Refer to HYDRAULIC
SYSTEMS performance chart on page 2.
2. Replace
motor.
CABLE DRUM WILL NOT
FREESPOOL
1. Clutch not disengaged
1. Check operation. Refer to Clutch
Operation on page 4.
BRAKE WLL NOT HOLD
1. Incorrect directional control valve.
(cylinder spool, closed center).
2. Excessive hydraulic system back
pressure.
3. Sprag clutch worn out.
1. Use only a motor spool (open center)
directional control valve.
2. Reduce system back pressure to less
than 100 psi.
3. Replace sprag clutch mechanism.
BRAKE WILL NOT RELEASE
1. Brake line disconnected or blocked 1. Repair brake line.
WINCH WILL NOT
OPERATE AT HIGH SPEED
1. Shift solenoid not working.
1. Verify shift spool is energized.
WINCH OPERATES
ERRATICALLY ON INHAUL
1. Sprag hub is reversed.
1. Install sprag hub correctly.
5 OM-914207-0211-D