TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 8-11. MAXIMUM NO LOAD SPEED ADJUSTMENT (DUAL RANGE LIMITING SPEED GOVERNOR) This taskcovers: Adjustment INITIAL SETUP MODELS MANDATORY REPLACEMENT PARTS 7083-7395 7083-7398 TOOLSANDSPECIAL TOOLS General mechanics tool kit (App B, Item 96) Turbocharger inlet shield (App B,ltem 81) 2 Lockwashers (App F, Item 92) 2 Gaskets (App F, Item 78) ● EQUIPMENT CONDITION Para Description 8-6 Governor spring housing & cover removed 8-6 Buffer screw backed out Adjustment NOTE ● ● ● Buffer screw must project 0.625 inch from locknut to prevent interference while adjusting the maximum No Load speed. If the engine has not been adjusted since overhaul, insure four 0.100 inch shims (1) and four 0.010 inch shims (2) should be in governor spring housing piston (3). Maximum low speed screw (4) should extend from spring housing cover (5) 1.25 a. b. inch. Install governor spring housing (6), cover (5), two gaskets (7), two Iockwashers (8), and two bolts (9) on governor housing (10). . Connect oil or air supply line to governor spring housing (6). ● ● ● 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. 8-26