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.
This task covers:
General Mechanics Tool Kit (Item 1, Appendix B)
Lockwasher, Tab (NSN 2805-00-439-8116)
Wrench, Torque (NSN 5120-00-230-6380)
Ring, Retaining (NSN 5365-00-070-1928)
(Item 3, Appendix B)
Compressor, Ring (NSN 5120-00-250-6055)
Cylinder head assembly removed (para. 5-14)
Oil pan removed (para 5-7).
Rags, Wiping (Item 6, Appendix D)
Solvent, Drycleaning (Item 7, Appendix D)
Rings, Piston (NSN 2805-01-093-2392)
a. Removal. (figure 5-17)
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).
This engine is equipped with two piston and connecting rod assemblies, the removal and
installation procedures are the same for both.
Remove carbon deposits from top of piston (1) and cylinder wall (2) and clean with dry cleaning solvent.
Bend tangs on Iockwasher (3) out.
Remove bearing cap bolt (4), dipper bolt (5), Iockwasher (3) and remove connecting rod cap (6).
Slide piston (1) out of cylinder (7).