TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 8-15. FUEL FLOW TEST e This taskcovers: Testing INITIAL SETUP ● MODELS TOOLS AND SPECIAL TOOLS — ■ All General mechanics tool kit (App B, Item 96) Turbocharger inlet shield (App”B, Item 81) Testing NOTE if necessary, adapt a fuel line extension to the fuel return line to reach container. a. Attach a fuel return line (1) beyond restricted fitting on engine. b. HoId open end of fuel return line (1) in a container (2). WARNING ● ● ● Avoid contact with hot manifolds, pulleys, and . other moving parts to avoid /) personal injury. \ Wear proper ear protection when running engine. Noise volume of engine can cause hearing loss or injury. Protective turbocharger air inlet shield must be installed prior to doing maintenance when engine is running and air inlet has been removed. Contact with rotating blades will cause injury to personnel. CAUTION Run engine in clean area when air intake ducting is removed. Dirt, dust, and particles in unfiltered air can enter engine and damage parts or cause mechanical failure. c. Start engine and run at 1200 RPM NO-LOAD. Using a stop watch (3), measure fuel flow from fuel return line (1) for one minute. Minimum fuel return rate is 0.8 GPM. o d. Stop engine. Remove fuel line extension if adapted. Connect fuel return line (1). END OF TASK Change 1 8-39