TM 9-2320-272-24-1
Table 2-2. Mechanical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3. Check all oil lines for damage and leaks.
a. Tighten loose fittings.
b. Replace leaking or damaged hoses.
Step 4. Check winch oil filter for leaks and clogs (front winch).
a. Remove center bolt, filter housing, filter, and gasket from filter head.
b. Check filter and filter head for clogs. Replace filter if clogged; clean filter head if clogged.
c. Install filter, gasket, and filter housing on filter head with center bolt. Tighten center
bolt 30-35 lb-ft (41-48 Nm).
Step 5. Check winch pump for leaks and overheating.
a. If loose, tighten winch pump connections.
b. If winch pump is defective, notify DS maintenance.
Step 6. Check winch motor for leaks.
a. If loose, tighten winch motor connections.
b. If winch motor is defective, notify DS maintenance.
NOTE
Assistant will help with step 7.
Step 7. Check control valve for proper operation and leaks (front winch).
a. While assistant operates winch control lever, observe control valve for proper operation.
b. If control valve is defective, notify DS maintenance.
c. Tighten any loose fittings.
Step 8. Check if drum clutch is engaged (front winch).
a. Engage drum clutch (TM 9-2320-272-10).
b. If drum clutch does not engage, replace front winch (para. 3-329).
Step 9. Check if drum lock is pulled out (front winch).
a. Pull out drum lock (TM 9-2320-272-10).
b. If drum lock does not pull out, replace front winch (para. 3-329).
END OF TESTING!
60. WINCH OPERATES IN ONE DIRECTION ONLY
Step 1. Check PTO and winch controls for kinks, damage, breaks, and improper lubrication (front
winch).
a. Lubricate if necessary (LO 9-2320-272-12).
b. If winch or PTO cable is kinked, damaged, or broken, notify DS maintenance.
NOTE
Assistant will help with step 2.
Step 2. Check control valve for proper operation and leaks (front winch).
a. While assistant operates winch control lever, observe control valve for proper operation.
b. If control valve is defective, notify DS maintenance.
c. Tighten loose fittings.
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