TM 5-3805-281-24-2
Cylinder Block, Liners, Pistons, and Rods
2. Remove piston rings (B) using the JDG967 Piston Ring
Expander (A). Discard all rings.
Removing Piston Rings
RG,RG34710,1118
1923OCT972/2
CLEAN PISTONS
CAUTION: Always follow manufacturer's
instructions, and safety steps exactly.
1. Clean piston ring grooves using a piston ring groove
cleaning tool.
IMPORTANT: When washing pistons, always use a
stiff bristle brush--NOT A WIRE
BRUSH--to loosen carbon residue.
DO NOT bead blast ring groove areas.
2. Clean pistons by any of the following methods:
Immersion-Solvent "D-Part".
Cleaning Piston Ring Grooves
Hydra-Jet Rinse Gun.
Hot water with liquid detergent soap.
If cleaning with hot water and liquid detergent, soak
pistons in a 50 percent solution of liquid household
detergent and hot water for 30 to 60 minutes. Use a
stiff bristle brush--NOT A WIRE BRUSH--to loosen
carbon residue. Dry with compressed air.
RG,RG34710,1119
1923OCT971/1
