TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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FUEL RETURN HOSE TEST Fuel is very flammable and can explode easily. To avoid serious injury or death, keep flame away from fuel and keep fire extinguisher within easy reach. When working with fuel, post signs that read NO SMOKING WITHIN 50 FEET OF VEHICLE. WARNING (1) Raise cab (TM 9-2320-365-10). (2) Remove air cleaner hose and tube and inspect for restrictions and damage which would cause a loss of intake air (para 4-2). (3) Lower cab (TM 9-2320-365-10). NOTE (1) Position drain pan under fuel tank. (2) Remove fuel return hose from fuel tank. (3) Place fuel hose in drain pan. Fuel should flow freely from fuel hose with no restriction. (4) Attempt to start engine (TM 9-2320-365-10) and observe fuel flow from fuel return hose. (5) If fuel does not flow from fuel return hose, perform Fuel System Troubleshooting task b1. Engine Cranks But Does Not Start or Engine Stalls After Starting. (6) If fuel does flow from fuel return hose, perform Electrical System Troubleshooting task e6. Engine Cranks But Does Not Start. (7) Install fuel return hose on fuel tank. Change 1 2-69/(2-70 Blank) TM 9-2320-365-20-1 All data on pages 2-70 and 2-71 deleted.