ARMY TM 9-2815-257-24
AIR FORCE TO 38G1-128-2
MARINE CORPS TM 10155A/2815-24/3
5-10. PISTON AND CONNECTING ROD MAINTENANCE - cont.
Cleaning solvents are flammable and
toxic to eye, skin, and respiratory tract.
Skin and eye protections are required
when working in contact with cleaning
solvents. Avoid repeated or prolonged
contact. Work in well ventilated area
only. Keep away from heat, sparks, and
open flame. Do not smoke while using
cleaning solvent. Failure to observe this
warning can result in injury or death to
Clean all components with cleaning solvent and a
clean rag. Allow to air dry.
Remove carbon deposits from ring grooves of
piston (8, Figure 5-12) by scraping with discarded
ring. Rinse with cleaning solvent and allow to air
Remove carbon deposits from top of piston (8).
Use care to prevent scratching of surface.
Inspect piston (8, Figure 5-12) and connecting rod
(9) for cracks, deformation, or obvious damage.
Inspect for uneven or excessive wear. Replace
component if any damage is suspected.
Figure 5-12. Piston and
Connecting Rod Removal