TM9-2815-202-34 5-14.   ACCESSORY   DRIVE   REPLACEMENT This task covers: a.  Removal b. Disassembly c. Cleaning/Inspection d.  Assembly e. Installation INITIAL   SETUP MODELS MANDATORY   REPLACEMENT   PARTS 7083-7391 7083-7396 7083-7399 6 Lockwashers (App F,ltem 93) 1 Gasket (App F,ltem 26) 1 Seal (App F, Item 148) TOOLS  AND  SPECIAL  TOOLS 1 CUP plug (App F, Item 12) General mechanics tool kit (App B, Item 96) Torque wrench (App B, Item 101) EXPENDABLE/DURABLE    SUPPLIES Fuel oil (App C, Item 21) Sealant (App C, Item 38) Engine oil (App C, Item 16) a.   Removal (1) (2) (3) (4) (5) Remove bolt (1), nut (2), flat washer (3), and Iockwasher (4) from accessory drive assembly (5)  and  flywheel  housing  (6).  Discard  Iockwasher. Remove  three  bolts  (7)  and  three  lockwashers  (4)  securing  accessory  drive  assembly  (5)  to flywheel  housing  (6).  Discard  Iockwashers. Remove  two  bolts  (8),  two  Iockwashers  (4),  and  accessory  drive  assembly  (5)  from  flywheel housing  (6).  Discard  Iockwashers. Remove  fiber  coupling  (9)  from  blower  drive  hub  (10). Remove  gasket  (11)  from  accessory  drive  assembly  (5).  Discard  gasket. b.  Disassembly (1) (2) (3) (4) (5) If  necessary,  remove  six  studs  (12)  from  accessory  drive  housing  (13). Using  arbor  press,  press  shaft  coupling  half  assembly  (14)  from  accessory  drive  housing (13). If necessary,  remove  seal  (15)  from  accessory  drive  housing  (13)  using  a  brass  drift.  Discard seal. Using  arbor  press,  press  shaft  coupling  half  (16)  from  bearing  (17)  and  sleeve  (18). If necessary, remove cup plug (19) from shaft coupling half (16). Discard cup plug. 5-16    C h a n g e     1