TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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TEST OPTIONS REASON FOR QUESTION 4. Visual inspection KNOWN INFO POSSIBLE PROBLEMS Malfunction in fuel system. Engine cranking speed OK. Fuel return hose OK. This question eliminates possible problems and determines where troubleshooting continues. Does fuel flow from fuel/water separator? TEST OPTIONS REASON FOR QUESTION Visual inspection 5. Does fuel flow from fuel transfer hose? KNOWN INFO POSSIBLE PROBLEMS Malfunction in fuel system. Engine cranking speed OK. Fuel return hose OK. Fuel supply hose OK. Fuel tank OK. Fuel/water separator OK. NO YES Go to step 12 of this fault. NO b1. ENGINE CRANKS BUT DOES NOT START OR ENGINE STALLS AFTER STARTING (CONT) Faulty fuel transfer hose. Faulty fuel transfer pump. Faulty fuel tubes. Faulty fuel filter. Faulty fuel pressure regulating valve. Faulty orifice tube assembly. Faulty fuel supply hose. Faulty fuel tank. Faulty fuel/water separator. Faulty cylinder head. YES Replace fuel transfer hose (para 4-9). Faulty fuel transfer hose. Faulty fuel transfer pump. Faulty fuel tubes. Faulty fuel filter. Faulty fuel pressure regulating valve. Faulty orifice tube assembly. Faulty cylinder head. If fuel does not flow from fuel transfer hose, fuel transfer hose is faulty. TM 9-2320-366-20-1 2-114 Change 1