TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 8-8 THROTTLE DELAY ADJUSTMENT This taskcovers: Adjustment INITIAL SETUP MODELS 7083-7395 7083-7396 TOOLSANDSPECIAL TOOLS General mechanics tool kit (App B, Item 96) Throttle delay gage (App B, Item 37) Throttle delay gage pin (App B, Item 22) EQUIPMENT CONDITION Para Description 4-11 Rocker arm covers removed 8-7 Bufferscrew backed out 8-6 Throttle delay disconnected 8-6 Starting aid screw backed out 8-6 Governor spring housing cover removed Adjustment NOTE To provide adequate Lubrication of mechanical components, fill throttle delay reservoir with clean engine oil. The oil reservoir does not haveto remain full during adjustment procedure. a. b. c. d. e. Insert throttle delay timing gage (1) on rack between injector body (2) and shoulder of injector rack clevis (3) on 2R injector. Secure throttle Iever (4) in maximum fuel position to put injector rack (5) against throttle delay timing gage (1). Insert 0.069 inch end of throttle delay pin gage (6) into throttle delay cylinder fill hole (7). Push throttle delay link (8) until piston (9) contacts pin gage (6). CAUTION Do not overtighten two U-bolt nuts. Damage to injector control tube or U-bolt clamp could result. NOTE If either U-bolt nut is tightened without pin gage being inserted, recheck the setting. Loosen two U-bolt nuts (1 O). Apply light pressure on delay link (8) towards pin gage (6). Tighten two U-bolt nuts equally. Remove pin gage (6). 8-20