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 TM 55-1905-219-14-7
3-171.1. PISTON - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REASSEMBLY (Cont)
c.
Piston
Assemble.
Refer to para-
and con-
graph 3-171.2.
necting
rod
d. Piston
Lubricate for install-
Use engine oil.
and all
ation.
piston
rings
Install, starting with
Use tool J8128.
e. Compres-
the bottom ring.
sion
rings
(5)
To avoid breaking or overstressing the rings, do not spread them any more than
necessary to slip them over the piston.
Install.
Use tool J8128.
f.
Compres-
sion
fire
rings
(4)
When installing the top compression (fire) ring, be sure the black oxide or copper color
side (also identified by an oval mark) is toward the top of the piston.
g. Compres-
Stagger ring gaps around
Rotate rings
sion
the piston.
or piston.
rings
(4 and
5)
3-2930
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