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 CRANKS OK POSSIBLE PROBLEMS ROTARY SWITCH STARTER PCB KNOWN INFO ROTARY SWITCH OK ENGINE NOT LOCKED PCB OK POSSIBLE PROBLEMS BATTERIES STARTERSOLENOID J KNOWN INFO ROTARY SWITCH OK ENGINE NOT LOCKED STARTER OK POSSIBLE PROBLEMS BATTERIES DOES THE STARTER STOP CRANKING WHEN THE ROTARY SWITCH IS RETURNED TO THE RUN OR STOP POSITIONS? DIAGNOSTIC FLOWCHART - T OPTIONS LISTEN. REASON FOR QUESTION The starter solenoid could be stuck or, more likely, there may IS THE AVERAGE STARTER CURRENT BETWEEN 200 AND 300 AMPS? OPTIONS 1. STEIICE-R TEST 71 (Page 2-500) 2. MULTIMETER REASON FOR QUESTION This will tell if the starter is OK and if the batteries have enough power to crank the engine. IS THE BATTERY VOLTAGE AT LEAST 18.5 VOLTS WHILE CRANKING? 1 TEST OPTIONS 1. STUICE-R TEST 67 (Page 2-496) 2. MULTIMETER REASON FOR QUESTION A good cranking voltage, combined with a good starter current, shows that the batteries are OK.