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 TM 55-1905-220-14-7
3-171.1. PISTON - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
REASSEMBLY (Cont)
7. If the gap on a compres-
sion ring is insufficient,
it may be increased by
filing or stoning the
ends of the ring. File
or stone both ends of
the ring so the cutting
action is from the outer
surface to the inner
surface. This will
prevent any chipping
or peeling of the
chrome plate on the
ring. The ends of the
ring must remain square,
and the chamfer on the
outer edge must be
approximately .0015
inch (.038 cm).
8. Check the ring side
clearance as shown.
Refer to ring side
clearances chart.
3-2893
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