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 FUEL SYSTEM KNOWN INFO ENGINE CRANKS -1 NO VOLTAGE AT ADVANCE SOLENOID. 1 POSSIBLE PROBLEMS 1 PCB COLD-ADVANCE SWlTCH WIRING WITH ROTARY SWITCH IN RUN POSITION, DO YOU HAVE BAlTERY VOLTAGE AT WIRE 5A AT THE ALTERNATOR OUTPUT? I KNOWN INFO I PCB OK ENGINE CRANKS NO VOLTAGE AT ADVANCE SOLENOID DIAGNOSTIC FLOWCHART l.----J ALTERNATOR 1 POSSfBLEPROBLEMS 1 COLD-ADVANCE SWITCH WIRING KNOWN INFO PCB OK ENGINE CRANKS NO VOLTAGE AT ADVANCE SOLENOID POSSIBLE PROBLEMS COLD-ADVANCE SWITCH WIRING I 1. STEIlCE-R TEST 89 (Page 2-606) I 2. MULTIMETER voltage through the PCB and it supplies power to the cold-advance switch. 1 TEST OPTlONS ’ DISCONNECT WIRE 569 AT COLD 1. STEIICE-R TEST 89 ADVANCE SWITCH. WITH ROTARY (Page 2-606) SWITCH IN RUN POSITION, DO 2. MULTMETER YOU HAVE BAlTERY VOLTAGE AT WIRE 569? c REASON FOR QUESTION If you have no voltage here, the problem may be the cold-advance RECONNECT WIRE 569. DISCONNECT WIRE 5698 FROM COLD-ADVANCE SWITCH WITH ROTARY SWITCH IN RUN POSITION. DO YOU HAVE BATTER! VOLTAGE AT SWITCH LEAD? 9T OPTIONS 1. STEXE-R TEST 89 (Page 2-606) 2. MULTIMETER (SEE NOTE AT RIGHT.) REASON FOR QUESTfON If you don’t have voltage here, the problem is the switch. 2-134