TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 8-12. MAXIMUM NO-LOAD SPEED ADJUSTMENT (LIMITING SPEED GOVERNOR) This task covers: Adjustment INITIAL SETUP MODELS MANDATORY REPLACEMENT PARTS fi 7083-7391 7083-7396 7083-7399 1 Gasket (App F, Item 78) 2 Copper washers (App F, Hem 164) TOOLS AND SPECIAL TOOLS EQUIPMENT CONDITION General mechanics tool kit (App B, Item 96) Turbocharger inlet shield (App B, Item 81) Para Description 8-6 Governor spring housing cover removed 8-6 Buffer screw backed out Adjustment Avoid avoid Wear contact with hot personal injury. WARNING manifolds, pulleys, proper ear protection when running and other moving parts to 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. NOTE Buffer screw must project 0.625 inch from locknut to prevent interference while adjusting maximum NO-LOAD speed. a. Start engine and run engine to attain coolant operating temperature of 160-185°F (71.1 -85. O”C). ● ● ● . . b. Loosen spring retainer locknut (1). Back off high-speed spring retainer (2) approximately five turns. 8-30 Change 1