TM 5-3820-246-14&P
i
Cleaning/Inspection.
c.
Dry cleaning solvent P-D-680 is TOXIC and flammable. Wear protective goggles and gloves and use in
well ventilated area. Avoid contact with skin, eyes, and clothes, and do not breathe vapors. Do not use
near open flame or excessive heat. The flashpoint 100 -140 degrees F (38 - 60 degrees C). If you become
dizzy while using cleaning solvent, get fresh air immediately and get medical aid. If contact with eyes is
made, wash your eyes with water and get medical aid immediately.
(1) Clean all metal parts with dry cleaning solvent P-D-680 and dry with rag.
(2) Measure inside of cylinder bore at
position C. Normal diameter is between
2.7559 in. to 2.7570 in. (70.00 mm to
70.03 mm). Replace if greater than
2.7598 in. (70.1 mm).
position B. Normal diameter is between
2.7523 in. to 2.7535 in. (69.91 mm to
69.94 mm), Replace if diameter is less than
2.7503 in. (69.86 mm).
(4) Measure piston pin (2) diameter at
position D. Normal diameter is between
0.4724 in. to 0.4729 in. (12.001 mm to
12.012 mm). Replace if less than 0.4716 in.
(11.98 mm).
(5) Measure inside diameter of bushing (3) at
position E. Normal diameter is between
0.4730 in. to 0.4735 in. (12.016 mm to
12.027 mm). Replace if more than 0.4744 in.
(12.05 mm).
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