TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 1 Download
Page 124 of 890
Change 2 2-33 TM 9-2320-280-20-1 2-14. HOW TO USE THIS TROUBLESHOOTING GUIDE (Cont’d) THERE ARE 5 TOP LEVEL TESTS. USE THESE FOR GENERAL SYMPTOMS (HARD-TO-START, RUNS ROUGH, ETC). THERE ARE 21 SYSTEM LEVEL TESTS . THESE ARE USED BY THE TOP LEVEL TESTS BUT YOU CAN GO STRAIGHT TO THEM IF YOU KNOW WHAT YOU'RE DOING. TROUBLESHOOTING PAGES . THE LAYOUT IS SHOWN ON THE NEXT PAGE. THEY ARE SET UP SO THAT YOU DON’T READ ANY MORE THAN YOU HAVE TO. AFTER YOU HAVE FOUND THE FAULT, CORRECT IT AND MAKE SURE THE SYSTEM IS WORKING PROPERLY. CONTINUE IF THERE ARE ADDITIONAL PROBLEMS. TOP LEVEL TESTS PAGE ENGINE STARTING 2-41 ENGINE RUNNING 2-47 COOLING 2-57 LUBRlCATlON 2-65 ELECTRICAL 2-71 SYSTEM LEVEL TESTS PAGE FUEL 2-95 AIR INTAKE/EXHAUST 2-137 COMPRESSION/MECHANICAL 2-143 ENGINE COOLING 2-155 ENGINE LUBRICATION 2-187 ALTERNATOR 2-194 PROTECTIVE CONTROL BOX/ 2-227 DISTRIBUTION BOX BATTERY CIRCUIT 2-251 STARTER CIRCUIT 2-261 GLOWPLUGS (PCB) 2-303 GLOWPLUGS (DISTRIBUTION BOX) 2-318.1 INSTRUMENTS 2-319 LIGHTS 2-389 TRANSMISSION (3L80) 2-399 TRANSMISSION (4L80-E) 2-11 BRAKES 2-445 STEERING 2-459 DRIVETRAIN 2-79 AMBULANCE ELECTRICAL 2-497 AMBULANCE MECHANICAL 2-693 WINCH 2-715 DCA TROUBLESHOOTING 2-723