TM 10-3950-672-24-2
Piston, Pin and Connecting Rod - Clean
Caution: Do not use bead blast to clean the pistons.
Soak the pistons in cold parts cleaner.
Soaking the pistons overnight will usually loosen the
carbon deposits.
Caution: Do not clean the pistons and rods in an
acid tank.
Wash the pistons and rods in a strong solution of
laundry detergent in hot water.
Caution: Do not use a ring groove cleaner and be
sure not to scratch the ring sealing surface in the
piston groove.
Clean the remaining deposits from the ring grooves with
the square end of a broken ring.
Wash the pistons again in a detergent solution or
solvent.
Rinse the pistons. Use compressed air to dry.
5-232