TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 1 Download
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TM 9-2320-280-20-1 STARTER CIRCUIT 2-264 Change 1 KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION NO YES NO YES 3 DOES THE ENGINE CRANK AT LEAST 200 RPM? CABLES & CONNECTORS APPEAR OK BATTERIES STARTER/SOLENOID ROTARY SWITCH ENGINE LOCK PCB/DISTRIBUTION BOX 1. LISTEN 2. STE/ICE-R TEST 10 (Page 2-734) If the engine cranks you know the engine is not locked and the rotary switch is OK. GO TO A, Page 2-268; H Page 2-296 4 DOES THE STARTER CRANK THE ENGINE WITHOUT ANY GRINDING, SQUEAKING, OR UNUSUAL NOISE? ROTARY SWITCH OK ENGINE NOT LOCKED PCB/DISTRIBUTION BOX OK STARTER STARTER SHIMS FLY WHEEL BATTERIES LISTEN This is a check for mechanical problems such as improperly shimmed starter, damaged flywheel, or burnt starter. GO TO B, Page 2-272 GO TO 5, Page 2-266 FROM 2, Page 2-262 DIAGNOSTIC FLOWCHART