.47 in. (12 mm)
TM 9-4940-568-34
7-40
7-6. PISTONS, CONNECTING RODS, AND BEARINGS REPLACEMENT (CONT).
Drycleaning Solvent (P-D-680) is TOXIC and flammable. Wear protective goggles, face shield,
and gloves; use only in a well-ventilated area; avoid contact with skin, eyes, and clothes, and do not
breathe vapors. Keep away from heat or flame. Never smoke when using solvent. The flashpoint
for Type II Drycleaning Solvent is 140 degrees F (60 degrees C) and Type III Drycleaning Solvent
is 200 degrees F (93 degrees C). Failure to do so may result in injury or death to personnel.
If personnel become dizzy while using cleaning solvent, immediately get fresh air and medical help.
If solvent contacts skin or clothes, flush with cold water. If solvent contacts eyes, immediately
flush eyes with water and get immediate medical attention.
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only with
effective chip guarding and personal protective equipment (goggles/shield, gloves, etc). Failure to
comply may result in injury or death to personnel.
(10)
Wash pistons again in a drycleaning
solvent. Rinse and dry with compressed
air.
NOTE
If severe piston damage has
occurred, check the exhaust
components for damage from
debris.
(11)
Inspect piston for damage and excessive
wear. Check the top, ring, grooves, skirt
and pin bore.
(12)
Measure piston skirt diameter as illustrated.
Diameter
in.
mm
4.0088
MIN.
(101.823)
4.0107
MAX.
(101.887)
