TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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TM 9-2320-387-24-l STARTER CIRCUIT KNOWN INFO ENGINE WON’T CRANK POSSIBLE PROBLEMS BAlTERY STARTER PCB ROTARY SWITCH NEUTRAL SAFETY SWITCH WIRING/CABLES LOCKED ENGINE KNOWN INFO BAl-lERY SHOULD AT LEAST CRANK ENGINE SLOWLY POSSIBLE PROBLEMS STARTER PCB ROTARY SWITCH NEUTRAL SAFETY SWITCH WIRING/CABLES LOCKED ENGINE KNOWN INFO VOLTAGE AVAILABLE AT STARTER POSSIBLE PROBLEMS BATTERY STARTER PCB ROTARY SWITCH NEUTRAL SAFElY SWlTCH WIRING/CABLES LOCKED ENGINE IS BATTERY VOLTAGE AT LEAST 20 VOLTS? DIAGNOSTIC FLOWCHART IT OPllONS 1. STEflCE-R TEST 67 1 (Page 2-496) 2. MULTlMETER DO YOU HAVE BAITERY VOLTAGE AT STARTER MOTOR (WIRE 6A)? - OPTIONS 1. STEIICE-R TEST 66 (Page 2497) 2. MULTIMETER REASON FOR QUESTlON Must have voltage available at starter to crank. WITH ROTARY SWITCH IN START POSITION, DO YOU HAVE BA-ITERY VOLTAGE AT SOLENOID SWITCH TERMINAL (74A)? E3 ] TEST OPTlONS 1. STEXE-R TEST 70 (Page 2-499) 2. MULTIMETER REASON FOR QUESTION Must have voltage at switch terminal to energize solenoid. 2-270