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). l l l . . b. Loosen spring retainer locknut (1). Back off high-speed spring retainer (2) approximately five turns. 8-30 Change 1