TM9-2815-202-34 Section  Il.  GENERAL  ENGINE  MAINTENANCE 6-2.  TURBOCHARGER  REGULATOR  REPLACEMENT This  task  covers: a.  Removal b.  Test c.  Installation INITIAL   SETUP MODELS MANDATORY  REPLACEMENT  PARTS 7083-73987083-7399 4 Lockwashers (App F,ltem 93) 1 Gasket (App F,ltem 73) TOOLS  AND  SPECIAL  TOOLS General mechanics tool kit (App B, Item 96) Torque wrench (App B, Item 101) a.  Removal (1) Disconnect line (1)at eIbow (2) on air inlet housing (3) and at elbow (4) on regulator  valve  (5). NOTE Model 7083-7399 uses an elbow instead of an adaptor at the regulator  valve  connection. (2) Disconnect line (6) from turbocharger (7) and at adaptor (8) on regulator valve  (5). (3) Remove four bolts (9) and four Iockwashers  (1O)  securing  regulator valve (5) to exhaust adaptor (11). Discard   Iockwashers. (4) Remove regulator valve (5) and gasket  (12)  from  exhaust  adaptor (11 ). Discard gasket. 6-3