TM 10-4320-307-24
4-16
CONNECTING ROD AND PISTON ASSEMBLY REPLACE/REPAIR (CONT).
2.
Install piston rings as follows:
a.
Locate and position rings (7, 8, 9 and 10) so that
part number, mark, or word top is toward top of
piston (3).
CAUTION
Piston ring breakage may occur if rings
are opened more than necessary when
being installed.
The two-piece oil ring must be installed
with gaps of two elements 180 degrees
apart.
b.
Install oil ring (10) using piston ring expander.
NOTE
Each piston ring is identified by part number and
must be installed in the proper groove.
c.
Install compression rings (7, 8, and 9) in proper
grooves, with ring gaps equally spaced around piston
(3), 90 degrees apart as shown.
NOTE
The ring gaps must not be aligned with the
piston pin (6).
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