TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
Page 224 of 1824
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 POSSIBLE PROBLEMS Faulty return hose. Faulty fuel transfer pump. TEST OPTIONS Visual inspection REASON FOR QUESTION NO POSSIBLE PROBLEMS Fuel contaminated. Faulty return hose. Faulty fuel transfer pump. Contaminated fuel may cause engine to stall after starting. 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. 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. If fuel return hose is OK, fuel transfer pump is faulty. b1. ENGINE CRANKS BUT DOES NOT START OR ENGINE STALLS AFTER STARTING (CONT) TM 9-2320-366-20-1 2-112 Change 1