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 I FUEL LINES, PUMP AND FILTER OK POSSIBLE PROBLEMS INJECTION PUMP INJECTORS EXHAUST RESTRICTED KNOWN INFO FUEL PUMP OK FUEL FILTER OK POSSIBLE PROBLEMS INJECTION PUMP INJECTORS RETURN CHECK VALVE INJECTION PUMP OK POSSIBLE PROBLEMS INJECTORS AIR CLEANER PUMP TIMING CDR VALVE RETURN CHECK VALVE IS MAXIMUM GOVERNOR SPEED 4,000 RPM NO LOAD? 3.600 LOADED? DIAGNOSTIC FLOWCHART TEST OPTIONS 1 STEIICE-R TEST 10 (Page 2-490) REASON FOR QUESTION ~ Verify governor speed. IS ENGINE POWER OK? r OPTIONS 1. STEIICE-R TEST 13 (Page 2-492) 2. ROAD TEST REASON FOR QUESTION Some fuel system faults and bad fuel may cause low power IS THE EXHAUST COLORLESS? ST OPTIONS VISUAL 1 TE! REASON FOR QUESTlON Exhaust smoke may indicate conditions such as oil, water. or excessive fuel entering the cylinders. L 2-104