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ARMY TM 9-2805-257-14 AIR FORCE TO 38G2-103-2 NAVY NAVFAC P-8-612-14E 5-18. Piston and Connecting Rod Assembly (cont). NOTE The  repair  procedures  are  the  same  for  both  piston  and  connecting  rod  assemblies. b. Repair. (figure 5-18) (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) 5-40 Remove two retaining rings (1) and remove piston pin (2) from piston (3) and connecting rod (4). Remove  spacer  ring  (5)  and  compression  ring  (6). Remove  intermediate  compression  ring  (7). Remove oil ring (8) and ring expander (9). WARNING Dry  cleaning  solvent  PD-680  used  to  clean  parts  is  potentially  dangerous  to  personnel and property. Avoid repeated and prolonged skin contact. Do not use near open flame or excessive heat. Flash point of solvent is 100°F–138°F (38°C-60°C). Clean all components of piston and connecting rod assembly with dry cleaning solvent and dry thoroughly. Remove all carbon deposit from top of piston and piston ring groves. Inspect piston (3), piston pin (2), connecting rod (4), connecting rod bearing cap (10), dipper bolt (11), and bolt (12) for cracks, excessive wear, or other signs of damaged and replace items as needed. Refer to Table 5-2 for wear limits. NOTE Do  not  reuse  piston  rings,  retaining  rings,  or  Iockwasher  (13).  When  installing  piston rings stagger ring gaps. Install ring expander (9) and oil ring (8). Install  intermediate  compression  ring  (7). Install compression ring (6) and spacer ring (5). Position connecting rod (4) in piston (3) and install piston pin (2) and two retaining rings (1).


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