TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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2-5. MALFUNCTION, PROCEDURES TM 9-2815-202-34 TEST OR INSPECTION, AND CORRECTIVE ACTION MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 1. HARD STARTING OF ENGINE ENGINE WILL NOT ROTATE Step l. Inspect starter and battery connections for loose, corroded, or broken cables. a. Tighten Ioose connections. b. Clean corroded cables and terminals. c. Replace broken or frayed cables. Step 2. Check batteries for low or no voltage (Refer to applicable vehicle type-20 maintenance manual for tests and services). CAUTION Do not rotate engine in a counterclockwise direction to avoid loosening the crankshaft bolt. Step 3. Check for internal seizure by slowly turning engine clockwise with wrench on crankshaft bolt at front of engine. If engine cannot be rotated one complete revolution, internal damage is indicated. Remove engine from vehicle to determine cause. END OF TEST 2. ENGINE CRANKS SLOWLY Step 1. Check batteries (For low or no voltage, refer to vehicle type-20 maintenance manual for test and services). Step 2. Check starter electrical circuits (Refer to vehicle type-20 maintenance manual for starter operational tests). Step 3. Check for proper grade of oil for temperature conditions (Refer to applicable vehicle LO for proper grade of oil). END OF TEST 2-3