ARMY TM 9-2805-262-14
AIR FORCE TO 38G2-90-1
NAVY NAVFAC P-8-613-14E
5-22. Piston and Connecting Rod Assembly.
This task covers:
General Mechanics Tool Kit (Item 1, Appendix B)
Lockwasher, Tab (P/N
Ring Compressor (NSN 5120-00-250-6055)
Ring, Retaining (NSN 5365-00-070-1928)
(Item 3, Appendix B)
Bolt (P/N 9786E1 13-3)
Wrench, Torque (NSN 51 20-00-640-6364)
(Item 5, Appendix B)
Oil pan removed (para. 5-20).
Cylinder heads removed (para. 5-7)
Rags, Wiping (Item 7, Appendix D)
Solvent, Drycleaning (Item 8, Appendix D)
The following procedures are the same for all piston and connecting rod assemblies.
a. Removal. (figure 5-19).
Drycleaning 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).
Bearing cap and rod are matched sets and are installed in same cylinder as removed.
Remove carbon deposits from top of cylinder wall(1) and piston (2) and clean with drycleaning solvent.
Bend tangs on Iockwasher (3).
Remove two bolts (4), Iockwasher (3), and remove connecting rod bearing cap (5).
Push piston and connecting rod assembly (6) out of cylinder (7).