Direct Support Mechanical Troubleshooting - continued

TM 9-2320-386-24-1-2

0293 00

Direct Support Mechanical Troubleshooting (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

42. STEERING GEAR LEAKING OIL

Check oil leak and verify location.

a. If oil leak is at cover gasket, replace gasket (TM 9-2320-361-34).

b. If oil leak is at pitman shaft oil seal, disassemble steering gear and inspect pitman shaft

and bushing (TM 9-2320-361-34). Replace defective components (TM 9-2320-361-34).

END OF TESTING!

43. STEERING WHEEL HARD TO TURN

Step 1. Check front axle for defective steering knuckle bushings (TM 9-2320-361-34).

Replace steering knuckle bushings, if defective (TM 9-2320-361-34).

Step 2. Check steering assist cylinder for damage.

Replace steering assist cylinder, if defective (WP 0183 00).

END OF TESTING!

WINCH

44. CLUTCH WILL NOT ENGAGE DRUM

Step 1. Check shifter shaft and clutch.

a. Remove end case and disassemble (TM 9-2320-361-34).

b. Remove rust and dried lubricant from end case, assemble, and install (TM 9-2320-361-34).

Step 2. Check for mechanical obstruction if clutch handle moves short distance, then clatters.

Remove end case and disassemble. Inspect clutch and drum jaws for burrs, breaks, and

misalignment. Repair winch, if defective (TM 9-2320-361-34).

END OF TESTING!

45. WINCH NOISY WHEN UNDER LOAD

Step 1. Check drum for radial free play.

Replace bushings if radial free play is present (TM 9-2320-361-34).

Step 2. Check wormshaft radial free play.

Disassemble gearcase, inspect parts, and replace parts if defective (TM 9-2320-361-34).

Step 3. Check automatic brake.

Replace brakeshoe if defective (TM 9-2320-361-34).

END OF TESTING!

46. DRUM OVERRUNS CABLE OR CABLE COILS LOOSEN WHEN PAYING OUT CABLE

Check drag brake adjustment (WP 0181 00).

Replace drag brake if noisy or no adjustment remains (TM 9-2320-361-34).

END OF TESTING!

47. WINCH DOES NOT HOLD LOAD WHEN POWER IS RELEASED

Step 1. Check for burned odor.

Replace automatic brakeshoe if defective (TM 9-2320-361-34).

Step 2. Automatic brake does not hold load after adjustment.

Replace automatic brakeshoe if defective; inspect drum (TM 9-2320-361-34).

END OF TESTING!