Unit Mechanical Troubleshooting - continued

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

0010 00

Unit Mechanical Troubleshooting (Contd)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Step 6. Check tie rod ends for wear.

Replace tie rod if worn (TM 9-2320-361-20).

Step 7. Check tires for broken belts.

Replace tire(s) if belts are broken (WP 0174 00).

END OF TESTING!

FRONT WINCH

43. WINCH DOES NOT OPERATE

Step 1. Check hydraulic oil reservoir for proper fluid level (WP 0023 00).

Step 2. Check for proper operation of winch control switch and winch control valve lever.

Replace winch control if not operating properly (WP 0223 00).

Step 3. Check all oil lines for damage and leaks.

a. Tighten loose fittings.

b. Replace leaking or damaged hoses (WP 0221 00).

Step 4. Check winch oil filter for leaks and clogs.

a. Tighten winch oil filter.

b. If leaking is not corrected, notify direct support maintenance.

c. Replace oil filter if clogged (WP 0214 00).

Step 5. Check winch pump for leaks and overheating.

a. Tighten loose fittings.

b. Replace winch pump if leaking (WP 0222 00).

Step 6. Check winch motor for leaks.

a. Tighten loose fittings.

b. Replace winch motor if leaking (WP 0220 00).

Step 7. Check control valve shaft movement in and out.

Replace control valve if shaft will not move (WP 0218 00).

END OF TESTING!

44. WINCH OPERATES IN ONE DIRECTION ONLY

Step 1. Inspect control valve for damage and leaks.

a. Tighten loose fittings.

b. Replace control valve if leaking (WP 0218 00).

Step 2. Check control valve shaft movement in and out.

Replace control valve if shaft will not move (WP 0218 00).

Step 3. Check winch for damage.

Replace front winch if damaged (WP 0225 00).

END OF TESTING!

45. DRAG BRAKE DOES NOT OPERATE

Check drag brake adjustment.

Adjust drag brake (WP 0225 00).

END OF TESTING!