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ARMY TM 9-2805-256-14 AIR FORCE TO 38G2-102-2 NAVY NAVFAC P-8-611-14E 5-18. Piston  and  Connecting  Rod  Assembly  (cont). b. Repair. (figure 5-19) (1) (2) (3) (4) (5) (6) 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,  connecting  rod  (4),  and  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). 5-40


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