TM 5-4210-233-14&P-2
6-33. PISTON REPAIR - Contlnued
CAUTION
To prevent damage to oil rings
when piston is installed in ring
compressor, make sure ends of
expander rings to not overlap.
Install two oil ring expanders (13) on
piston skirt (4) with ends pointing
upward.
(23)
Install chrome, nonslotted, oil ring (14) with gap position
180 degrees from gap in expander ring (13).
NOTE
Install oil rings with beveled edge facing up-
ward.
(24) Install nonslotted oil ring (15) with gap positioned 90
degrees from gap in oil ring (14).
(25) Install oil ring (16) with black, slotted bottom down and gap positioned 180 degrees from gap in
expander ring (13).
(26) Install oil ring (17) with black, slotted bottom down and gap positioned 90 degrees from gap in oil
ring (16).
(27) Measure clearance between oil rings and grooves; clearance should be .0015 to .0055" (0.038 to
0.140 mm).
d. Follow-on Maintenance.
(1) Install piston, connecting rod and liner (para 6-32).
6-189
