Superwinch H11P, Owner'S Manual

B. System Operates Erratically

1. Air in system: Check suction side

of system for leaks. Repair, as
necessary.

2. Cold hydraulic fluid: Allow ample

warm-up period.

3. Dirty or damaged components:

Clean and repair as necessary.

4. Restriction in filters or lines: Clean

and/or replace elements or lines.

C. System Operates Slowly

1. Hydraulic fluid viscosity too high:

cold fluid. Allow fluid to warm up
before operating machine.

2. Low pump drive speed: Increase

engine speed (check manual for
recommendations).

3. Low fluid level: Check reservoir

and add fluid as necessary.

4. Air in system: Check suction side

for leaks. Repair, as necessary.

5. Badly worn pump, valves, etc:

Repair or replace as needed.

6. Restriction in filters or lines:

Clean and/or replace elements as
needed.

7. Improper adjustments: Check

relief valves, etc. Adjust per
manual.

16

WINCH TROUBLE SHOOTING

Drum will not rotate at all

1. Brake not unlocking

1. Check shuttle valve

Check hose for leak
Check port for blockage
Disassemble and
inspect brake

2. Winch is improperly

2. Check mount, see

mounted

mounting section
in this manual

3. Not enough pressure

3. Check pump and relief

valve settings

Drum will not rotate

1. Brake not unlocking

1. Same as above

under load

2. Freespool not engaged

2. Engage freespool

3. Damaged drive system

3. Teardown and inspect

winch

Winch runs too slow

1. Brake is not fully

1. Check pressure,

released

brake requires 350 PSI
(24 BAR) to unlock

2. Low flow to motor

2. Check hydraulic circuit

for leaks and faulty
components

Wire rope drum

1. Freespool lever not

1. Check lever

will not freespool

locked in position

position

2. Winch is improperly

2. Check mount, see

mounted

mounting section
in this manual

Oil leak around motor

1. Loose fitting

1. Tighten fitting

2. Damaged shaft seal

2. Replace motor

in motor

Oil leak around

1. Damaged piston, seal

1. Disassemble brake

brake housing

or casting

and repair

Load drifts

1. High back pressure

1. Run separate return

Drum chatters

1. Drive not fully engaged

1. Check freespool

mechanism for full
engagement and lock

17

Symptom

Possible Cause(s)

Corrective Action