TM-9-2320-387-10 HMMWV Operator Manual Download
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TM 9-2320-387-10 3-3 MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Table 3-1. Troubleshooting. ENGINE 1. ENGINE FAILS TO CRANK Step 1. Check to see if transmission shift lever is in P (park). If not, place lever in P (park). Step 2. Check battery fluid level and check battery cable connections for looseness, damage, or corrosion. If any of these conditions exist, notify unit maintenance. Step 3. Attempt to slave-start vehicle (para. 2-23). Step 4. Other causes. Notify unit maintenance. 2. ENGINE CRANKS SLOWLY Step 1. Check battery fluid level and check battery cable connections for looseness, damage, or corrosion. If any of these conditions exist, notify unit maintenance. Step 2. Attempt to slave-start vehicle (para. 2-23). Step 3. Other causes. Notify unit maintenance. 3. ENGINE CRANKS BUT DOES NOT START Step 1. Check to see if fuel gauge indicates E (empty). Fill fuel tank, and start engine. Step 2. Purge fuel system of air (para. 3-11). Step 3. Check to see if wait-to-start lamp assembly fails to light or does not go out. Notify unit maintenance if wait-to-start lamp assembly fails to light or does not go out. Step 4. Other causes. Notify unit maintenance. 4. VEHICLE NOT CHARGING ACCORDING TO VOLTMETER Step 1. Check battery cable connections for looseness, damage, or corrosion. Notify unit maintenance of any damage to battery cables. Step 2. Check for broken or missing drivebelt. Notify unit maintenance if drivebelt is broken or missing. Step 3. Other causes. Notify unit maintenance.