EXCESSIVE NOISE FROM WINCH.

TM 9-2320-279 -20-1

Troubleshooting Malfunctions (Cent)

2-9. Troubleshooting (Cent)

Malfunction

Test or Inspection

Corrective Action

SELF-RECOVERY WINCH

WINCH OPERATION IS JERKY, SLOW, OR DOES NOT WORK

Step 7. Check for damaged self-recovery winch control valve. Remove both hydraulic hoses at

mounting bracket. Place hose ends in a suitable container. Start engine and engage P'ID.

Operate self-recovery winch IN and OUT.

If hydraulic oil does not discharge into container when operated IN and OUT,

replace defective self-recovery winch control valve (para 19-7).

Step 8. Check pump for overheating. Pump is normally hot during heavy use. If pump is too hot to

touch, notify the supervisor.

Step 9. Check hydraulic motor for unusual sounds and oil leaks.

If there are leaks or unusual sounds, or if problem has not been solved, notify the

supervisor.

2. EXCESSIVE NOISE FROM WINCH.

HYDRAULIC

E MOTOR

Step 1. Inspect hydraulic motor at winch for loose mounting, excessive vibration, and leaks.

Tighten loose hardware. If hydraulic oil is low, fill reservoir (LO 9-2320-279-12).

Step 2. If problem remains, notify the supervisor.