TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
Page 592 of 670
TM9-2815-202=34 8-16. FUEL PRESSURE Thistask covers: Testing TEST ● INITIAL SETUP MODELS EQUIPMENT CONDITION Para Description 4-11 Rocker arm covers removed TOOLS AND SPECIAL TOOLS ● General mechanics tool kit (App B, Item 96) Fuel pressure gage (App B, Item 31) Fuel nut wrench (App B, Item 99) Turbocharger inlet shield (App B, Item 81) Torque wrench (App B, Item 100) Testing a. Remove fuel inlet tube (l) from injector (2)andfuel inlet manifold(3). b. Connect pressure gage (4)toinjector (2)and fuel manifold(3). 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 e-ngine 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 operate at 1800 RPM. Note reading on fuel pressure gage (4). Fuel pressure must be 50-70 PSI (345-482 kPa) at 1800 RPM. d. Move governor stop lever (5) to NO-FUEL position to stop engine. b 8-40 Change 1