Quantcast 3-48. ASSEMBLY

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ARMY TM 9-2815-256-24 AIR FORCE TO 38G1-96-2 MARINE CORPS TM 2815-24/5 3-48. ASSEMBLY. 3-48.1. Piston and Rod. a. Connect piston (7, FIGURE 3-143) to connecting rod (4) as follows: CAUTION If a new piston and liner assembly is to be installed, do not remove piston from liner.  Push  piston out of liner bottom only far enough to install piston pin. (1) Lubricate piston pin (6) and piston pin bore with clean engine lubricating oil (MIL-L-2104). CAUTION Pistons (7) must be installed on connecting rods (4) from which they were removed. (2) Assemble pistons (7) and connecting rods (4), making sure word FRONT (A, FIGURE 3-163) on side or top of piston and side of connecting rod are on same side. CAUTION If  FRONT  is  not  visible  on  side  or  top  of  piston,  install  piston  on  rod  so  that  offset  in    combustion bowl of piston is opposite camshaft side of engine.  The long side of the  connecting rod should face camshaft side of block. FIGURE 3-163.  Assembled Piston, Pin, and Connecting Rod (3) Insert piston pin (B) into piston pin bore.  Install new piston pin retaining rings (C) with sharp edge of ring facing away from piston pin.  Check to be sure retaining rings are seated in grooves of piston pin bore. CAUTION Always  refer  to  manufacturer's  specifications  for  ring  identification  markings  and    locations  before installation.  Failure to install rings in the proper locations will result in  equipment damage. 3-210


 


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