Quantcast CLEANING/INSPECTION  -  CONTINUED

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TM   5-2815-241-34&P PISTON AND CONNECTING ROD - CONTINUED ACTION LOCATION ITEM REMARKS CLEANING/INSPECTION  -  CONTINUED 29.  Connecting  rod  (1) Two  bolts  (2) Check  that  boltheads  rest  squarely  on  milled surface (3) of connecting rod. If  boltheads  do  not  rest  squarely  on milled  surface,  tag  connecting  rod  for milled  surface  repair. 30. Connecting rod (1) and  bearing  cap  (4) Two  bolts  (2),  two nuts  (5),  and  two washers  (6) a. Using  1/2-inch  drive  15/16-inch  socket and  hinged  handle,  unscrew  and  take off. b. Using  0-  to  1-inch  micrometer,  check inside diameter of boltholes (7). If  diameter  is  greater  than  0.6249  Inch (15.872  mm),  discard  connecting rod  and  bearing  cap. 31. Connecting rod (1) Two  bolts  (2) 32. 33. a. Check  for  distorted  or  damaged  threads. If threads are distorted or damaged, discard  bolt. b. Using  0-  to  1-inch  micrometer,  check smallest  outside  diameter. If  smallest  outside  diameter  is  less than  0.540  inch  (13.72  mm)  discard bolt. Connecting  rod  (1) a. Using  0-  to  1-inch  micrometer,  check fillet radius (8) at all corners where  connecting  rod  is  milled  for bolthead. If  fillet  radius  does  not  measure  0.045 to 0.055 inch (1.14 to 1.40 mm), tag connecting  rod  for  milled  surface repair. b. Check fillet radius (8) for nicks and dents. If  nicks  and  dents  are  deeper  than 1/16 inch (1.59 mm), discard con- necting  rod.  if  nicks  and  dents exist  but  are  less  than  1/16-inch (1.59  mm)  deep,  tag  connecting  rod for  milled  surface  repair. Two  nuts  (5) Check  for  distorted  or  damaged  threads. If  threads  are  distorted  or  damaged, discard   nut. 2-230


 


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