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 - DIAGNOSTIC FLOWCHART FUEL SYSTEM KNOWN INFO T OPTIONS NOTHING IS THE FUEL SUPPLY AND QUALITY OK? POSSIBLE PROBLEMS VISUAL INSPECTION, SAMPLED WHILE CRANKING OR RUNNING. THIS QUESTION ONLY CHECKS THE SUPPLY OF FUEL IN THE TANK AND TESTS TO SEE IF IT IS GRTING TO THE INJECTOR PUMP. THIS IS NOT A TEST OF FUEL PRESSURE. FUEL LINES FUEL FILTER FUEL PUMP FUEL SOLENOID INJECTION PUMP INJECTORS ,ml REASON FOR OUESTtON Without a supply of good fuel, none of the components in the fuel system can be expected to work properly. OPTtONS TRY STARTlNG ME ENGINE. KNOWN INFO FUEL AVAILABLE AND NOT CONTAMINATED DOES THE ENGINE START AND STAY RUNNING? POSSIBLE PROBLEMS SOLD ADVANCE SLOW PLUGS FUEL LINES FUEL FILTER FUEL PUMP INJECTlON PUMP FUEL SOLENOID REl-URN CHECK VALVE REASON FOR QUESTlON :I If it starts, you know that there is fuel available and the fuel solenoid is working. r ir KNOWN INFO 1 TRY STARTlNG THE ENGINE WHILE l-l-S COLD. FUEL SOLENOID OK FUEL OK DOES THE ENGINE START EASILY WHEN COLD? ]z I advance circuit. POSSIBLE PROBLEMS COLD ADVANCE FUEL LINES FUEL FILTER FUEL PUMP INJECTION PUMP INJECTORS 2-100