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ARMY TM 9-2815-254-24 AIR FORCE TO 38G1-94-2 m.    Remove oil pump refer to paragraph 3-18.1. n. Remove carbon deposits from upper portion of cylinder wall with a scraper before removing piston and con- necting rod. o. Remove two bolts (1, FIGURE 3-77) and nuts (2) securing connecting rod bearing cap (3). Remove lower half d bearing cap (3) and connecting rod bearings (4). N O T E If  connecting  rod  hearings  are  to  be  reused,  tag  them  as  to  their  original position  to  facilitate  installation. p. Move  piston  (5)  to  top  of  cylinder  and  tap  it  with  a  hammer  handle  or  similar  object,  from  connecting  rod  side, to drive it out of cylinder. q. Repeat steps n through p for remaining pistons and connecting rode. r. Remove camshaft, refer to paragraph 3-30.1. s.    Remove flywheel and flywheel housing, refere to paragraph 3-31.1. t. Remove screws (6), front plate (7), and gasket (8). Discard gasket. Use care not to scratch crankshaft oil seal seating surfaces. u. Remove rear oil seal and spacer. v. Measure crankshaft end play at the center journal, refer to FIGURE 3-78. Do this before removing bearing caps. Standard end play is 0.004 in. (0.10mm), with a Iimit of 0.012 in. (0.30mm). If  measured value exceeds limit, crankshaft thrust bearings (9) must be replaced. N O T E lf crankshaft bearing cap bolts and bearings are to be reused, tag them as to their original locations to facilitate installation. 3-128


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