Quantcast Assembly - TM-9-2815-202-34_166

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TM  9-2815-202-34 4-19.  BLOWER  DRIVE  GEAR  AND  SUPPORT  REPLACEMENT  (Cont) d. Assembly (1)  Clamp  blower  drive  gear  support  (11  )  in  a  soft-jawed  vise  with  drive  gear  support  shaft  on top. (2) Lubricate blower drive gear support shaft (11), blower drive gear bearing (5) inside diameter, thrust bearings (9 and 10), and thrust washer (8) with clean engine oil. (3)  Install  thrust  bearing  (10)  on  drive  gear  support  (11)  with  tang  alined  with  slot  in  support, (4) Install blower drive gear (5) on drive gear support (11) with flat side of gear towards support. (5) Install thrust bearing (9) on drive gear support (11) with flat side towards gear (5). (6) Install thrust washer (8) on drive gear support (11) with slots alined to tangs on thrust bearing (9) and alining tab in slot of drive gear support shaft. (7) Install lock plate (6) on drive gear support shaft (11) with alining tab in slot of shaft. NOTE Blower drive gear (5) must turn freely after torque is applied. (8) Install nut (7) on drive gear support shaft and torque to 50-60 Ib-ft (68-81 N-m). (9)  Using  a  set  of  feeler  gages,  measure  clearance  between  thrust  washer  (8)  and  thrust bearing  (9).  Minimum  allowable  clearance  is  0.005  and  maximum  allowable  clearance  is 0.010 inches for new parts or 0.012 inches for used parts. (10) Bend tangs on lock plate (6) to secure nut (7). 4-64


 


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