TM 5-2420-230-24-2
Piston Inspection (1-26)
Section 1 - Cylinder Block - Group 1
Page 1-42
B Series Shop Manual
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.
After rinsing, use compressed air to dry.
Piston Inspection (1-26)
Inspect the piston for damage and excessive wear. Check
the top, ring grooves, skirt and pin bore.
L-245