TM-9-2320-387-10 HMMWV Operator Manual Download
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TM 9-2320-387-10 3-7 MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Table 3-1. Troubleshooting (Cont’d). STEERING 22. HARD STEERING Step 1. Check tires for proper inflation pressure. Step 2. Check power steering reservoir for low fluid level (para. 3-20). Add steering fluid (appendix G). Step 3. Check for broken or missing drivebelt. Notify unit maintenance if drivebelt is broken or missing. Step 4. Check power steering oil cooler for bent fins or any other air flow obstructions. Remove obstructions if fins are not damaged. Notify unit maintenance if power steering oil cooler is damaged. Step 5. Other causes. Notify unit maintenance. WINCH 23. WINCH STOPS DURING NORMAL OPERATION Step 1. Wait 2 minutes and attempt winch operation again. Refer to para. 2-28 for winch operation. Step 2. Check to see if clutch lever is engaged (para. 2-28). If not, engage clutch lever. Step 3. Check to see if voltmeter is in red or yellow (engine not running). Start engine and charge batteries. Step 4. Other causes. Notify unit maintenance. UP-ARMORED CARRIER 24.WEAPON STATION WILL NOT ROTATE OR LOCK Step 1. Check for obstructions that may be restricting weapon station movement. Remove obstructions. Step 2. Other causes. Notify unit maintenance. 25. CARGO SHELL DOOR WILL NOT SEAL PROPERLY All causes. Notify unit maintenance.