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 TM 55-1905-219-14-8
4-7.7. CRANKSHAFT AND PISTON - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REPAIR
5. Connect-
a. Piston
Remove.
1. Spread ring between
ing rod
rings
thumb and forefinger.
piston
(17)
assembly
2. Check the piston
rings for wear. If
the faces exposed
to the cylinder wall
are worn to a high
polish (glass-like
appearance) replace
the rings. A prop-
erly seated ring
wears to a dull
luster. If in
doubt, install new
piston rings.
Before installing
new rings on piston,
place new rings in
the respective
cylinder making
certain they seat
squarely in the
bore. Check the gap
clearance between
ends of the ring
with a feeler strip
or gauge of corres-
4-204
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