Section 2
2 - 3
Figure 2-1 Mechanical/Hydraulic Troubleshooting Chart - 3
PROBLEM
POSSIBLE CAUSE
CORRECTION ACTION
Winch Operates But Exhibits The Following Problems
Winch gets very hot.
Low oil level.
Add oil; refer to tractor oil specifi cations.
Improper oil viscosity.
Use correct oil grade; refer to tractor oil specifi cations.
Winch coated with dirt.
Clean winch.
Clogged fi lter or strainer.
Replace tractor fi lter.
Clogged cooler.
Clean cooler.
Operation is rough.
Low oil level.
Add oil; refer to tractor oil specifi cations.
Low pilot pressure.
Refer to tractor pilot system troubleshooting.
Wire rope jumps layers on
drum.
Spool wire rope more evenly.
Motor hunting between high
and low speed.
Clean or replace high speed component.
Operation is noisy (
NOTE:
motor is significantly
n o i s i e r i n H I - S P E E D
mode
).
Air in the hydraulic oil
(indicated by foaming or
milky-colored oil).
Inspect for leaks and other sources of air induction.
Incorrect oil used.
Drain reservoir and re-fi ll with correct oil; refer to tractor
oil specifi cations.
Motor damaged.
Some noise is normal. However, excessive clattering
could indicate damage. Inspect pump and motor
thoroughly.
Gear or bearing damage.
Visually inspect and repair as needed.
Drum continues to rotate
after lever is returned to
BRAKE-ON
.
Counterbalance valve stuck
open.
Repair or replace valve.
Direction spool not shifting to
centered position.
Direction spool sticking. Clean or replace. Control lever
valve plunger sticking. Repair.
Brake not engaged or worn.
Repair brake.
Oil level too high in gear-
side cavity.
Too much oil added.
Drain excessive oil. Check level to “LEVEL” plug on
winch case.
Oil leaking from hydraulic
supply into gear-side cavity.
Locate leak.
Repair or replace faulty component.
Drag brake housing leaking.
Ensure that drag brake seals are intact, including shaft
seal, fi tting o-rings, and the drag brake housing gasket.
Summary of Contents for H5C Series
Page 8: ...vi Notes...
Page 48: ...General 1 40 Notes...
Page 59: ...Troubleshooting 2 6 Notes...
Page 77: ...Service 3 18 Notes...
Page 86: ...Section 4 4 9 Intentionally Blank...
Page 104: ...Section 4 4 27 Intentionally Blank...
Page 108: ......