TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
Page 188 of 1760
Is fuel free from water, debris, and contamination? 2. TEST OPTIONS REASON FOR QUESTION Visual inspection YES Replace fuel return hose (para 4-9). Notify DS Maintenance. KNOWN INFO YES flush fuel system. NO WARNING Read WARNING on following page. 3. Is fuel return hose free from kinks, blockage, or damage? KNOWN INFO TEST OPTIONS Visual inspection REASON FOR QUESTION NO b1. ENGINE CRANKS BUT DOES NOT START OR ENGINE STALLS AFTER STARTING (CONT) Contaminated fuel may cause engine to stall after starting. POSSIBLE PROBLEMS Malfunction in fuel system. Engine cranking speed OK. Fuel transfer hose OK. Fuel tubes OK. Fuel filter OK. Fuel pressure regulating valve OK. Orifice tube assembly OK. Fuel supply hose OK. Fuel tank OK. Fuel/water separator OK. Cylinder head OK. Fuel contaminant free. Faulty return hose. Faulty fuel transfer pump. If fuel return hose is OK, fuel transfer pump is faulty. POSSIBLE PROBLEMS Malfunction in fuel system. Engine cranking speed OK. Fuel transfer hose OK. Fuel tubes OK. Fuel filter OK. Fuel pressure regulating valve OK. Orifice tube assembly OK. Fuel supply hose OK. Fuel tank OK. Fuel/water separator OK. Cylinder head OK. Fuel contaminated. Faulty return hose. Faulty fuel transfer pump. 2-104 Change 1 TM 9-2320-365-20-1