Table 12. Winch Troubleshooting Procedures.

TM 9-2320-361-24-1

0008 00

MECHANICAL SYSTEMS TROUBLESHOOTING - DIRECT SUPPORT (Contd)

Table 12. Winch Troubleshooting Procedures.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. Check shifter shaft and clutch.

Replace winch if defective

1. CLUTCH WILL NOT

(WP 0345 00).

ENGAGE DRUM

2. Check for mechanical obstructions

Inspect clutch and drum jaws for

if clutch handle moves short

burrs, breaks, and misalignment.

distance then clatters.

Replace winch if defective

(WP 0345 00).

1. Check drum for radial free play.

Replace winch if radial free play is

2. WINCH NOISY

present (WP 0345 00).

WHEN UNDER LOAD

2. Check wormshaft radial free play.

Replace winch if radial freeplay is

present (WP 0345 00).

Check drag brake adjustment

Replace winch if no adjustment

3. DRUM OVERRUNS

(WP 0342 00).

remains (WP 0345 00).

CABLE OR CABLE

COILS LOOSEN WHEN

PAYING OUT CABLE

1. Check for presence of burned odor.

Inspect automatic brakeshoes,

4. WINCH DOES NOT

replace winch if defective

HOLD LOAD WHEN

(WP 0345 00).

POWER RELEASED

2. Automatic brake does not hold

Replace winch if defective

load after adjustment.

(WP 0345 00).

1. Check for defective oil seals and

Replace winch if defective

5. WINCH LEAKS OIL

gaskets.

(WP 0345 00).

2. Check for cracked covers and

Replace winch if cracked.

housing.

(WP 0345 00).

Table 13. Winterization Kits Troubleshooting Procedures.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

NOTE

Mechanical troubleshooting procedures for fuel burning personnel and engine coolant heaters are the

same. The following are for fuel burning personnel heaters.

Bench test for defective control parts

If defective replace control parts

1. HEATER FAILS TO

(WP 0426 00 and WP 0435 00).

(WP 0421 00 through WP 0429 00).

TURN ON

1. Check for obstructed airflow.

If obstructed, clear obstructions from

2. HEATER OVERHEATS,

fuel supply air and ventilation air

OVERHEAT SWITCH

passages (WP 0246 00 and

IS GOOD

WP 0248 00).

2. Check fuel control valve

Replace fuel control valve if defective

(WP 0421 00 or WP 0428 00).

0008 00-28