TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 115 of 1205
TM 9-2320-387-24-l ENGINE RUNNING DIAGNOSTIC FLOWCHART KNOWN INFO I ENGINE STARTS POSSIBLE PROBLEMS FUEL SYSTEM AIR INTAKE/EXHAUST MECHANICAL ELECTRICAL GLOW PLUGS ~THIS SECTION IS FOR PROBLEMS SUCH AS ROUGH IDLE, ROUGH RUNNING, LACK OF POWER, UN- USUAL NOISE OR VIBRATIONS. IF THE VEHICLE WON‘T START, RUN THE STARTABILITY TESTS. DOES THE ENGINE RUN WITHOUT STALLING? ’ OPTIONS OBSERVE THE ENGINE AND VEHICLE OPERATION. REASON FOR QUESTION To detect and fix minor problems before looking for major problems. L w- 2-52