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 TM 55-1905-219-14-7
3-171.1. PISTON - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REASSEMBLY (Cont)
b. Piston
1. Each piston is fitted
ring
with a fire ring, three
fitting
compression rings and
two oil control rings.
2. The top compression
(fire) ring can be
identified by the
bright chrome on the
bottom side and black
oxide or copper color
on the top. The pre-
stressed fire ring is
further identified by
an oval mark.
3-2926
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