TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 1 Download
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TM 9-2320-280-20-1 KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION NO YES NO YES B1 REMOVE STARTER AND INSPECT FOR DEFECTS. IS IT OK? (FOLLOW THE “YES” PATH IF THERE ARE NO VISIBLE DEFECTS.) BATTERIES OK PCB/DISTRIBUTION BOX OK NEUTRAL SAFETY SWITCH ROTARY SWITCH STARTER FLYWHEEL WIRING VISUAL If defects are visible, starter is faulty. REPLACE STARTER B2 INSPECT FLYWHEEL FOR MISSING OR DEFECTIVE TEETH. (FOLLOW THE “YES” PATH IF THERE ARE NO VISIBLE DEFECTS) BATTERIES OK STARTER NOT VISIBLY DEFECTIVE STARTER FLYWHEEL WIRING VISUAL Bad or missing teeth on flywheel can cause engine to crank improperly or not at all. NOTIFY DS LEVEL MAINTENANCE B3 PUT STARTER BACK ON ENGINE. BE VERY CAREFUL TO SHIM THE STARTER PROPERLY. N/A BATTERIES OK FLYWHEEL OK STARTER NOT VISIBLY DEFECTIVE STARTER The starter may have been improperly installed with the wrong shims and/or bolts. 2-272 Change 1 GO TO B4, Page 2-274 STARTER CIRCUIT DIAGNOSTIC FLOWCHART B FROM 4, Page 2-264