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 WHITE SMOKE POSSIBLE PROBLEMS COOlANT IN CYLINDERS K II KNOWN INFO MAINTENANCE . . I i> 0 FROM Hl, Page 2-128 ENGINE WONT SHUT OFF TEST OPTIONS POSSIBLE PROBLEMS 1 DOES THE ENGINE LOSE EXCESSIVE COOLANT? I DIAGNOSTIC FLOWCHART . iT OPTIONS LOOK AT COOLANT LEVEL IN SURGE TANK. REASON FOR QUESTION If the engine loses coolant but not from leaks in the lines, hoses, heater or radiator, it may have a crack or I blown gasket in ihe engine. FUEL SOLENOID I ROTARY SWITCH OK SOLENOID WIRING USE PLIERS TO SQUEEZE FUEL RETURN LINE AT INJECTION PUMP. NONE REASON FOR TEST STEP \ There is an internal injector pump problem that is preventing procedure will cause it’to stall. Ll 1 TEST OPTIONS 1 I RECONNECT BODY CONNECTOR. I 1. STEIICE-R TEST 89 DISCONNECT ENGINE (Page 2-505) I CONNECTOR FROM PROTECTIVE CONTROL BOX. I 2. MULTIMETER I IS VOLTAGE 0 AT WIRE 54A AT THE FUEL SOLENOID? I REASON FOR QUESTION If there is a voltage reading, there is a short in the wiring harness. REPAIR SHORT CONNECTOR 2-132