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TM 9-2815-202-34 8-10.   IDLE   SPEED   ADJUSTMENT This task  covers:   Adjustment INITIAL   SETUP MODELS EQUIPMENT   CONDITION A  l  l Para  Description 4-11 Rocker arm covers removed 8-6 Governor spring housing cover TOOLS  AND  SPECIAL  TOOLS removed (Dual range) 8-6 General mechanics tool kit (App B, Item 96) Governor spring housing cover  removed  (Limited  speed) Turbocharger inlet sheild (App B, Item 81) 8-6 Buffer  screw  backed  out Adjustment 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   sheild   musr   be   installed   prior   to   doing maintenance  when  engine  is  running  and  air  inlet  has  been  removed. Contact  with  rotating  blades  will  cause  injury  to  personel 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. a. b. c Start  engine  and  operate  coolant  temperature  of  160-185°  (71.1-85.0°C)  is  attained. PLace governor speed control lever (1) in IDLE position. Hold screw (2) and loosen locknut (3). Adjust engine speed screw (2) to obtain 625+/-25 RPM. Hold adjusting screw (2) in position, and tighten locknut (3). 8-24 Change  1


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