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 TM 55-1905-220-14-4
3-40.1. PISTON - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
REASSEMBLY (Cont)
If gap on a compression ring
is insufficient, it may be
increased by filing or ston-
ing ends of ring. File or
stone both ends of ring so the
cutting action is from outer
surface to inner surface. This
will prevent chipping or peeling
of chrome plates on ring. The
ends of the ring must remain
square and the chamfer on outer
edge must be approximately
.015 inch (0.038 cm). Check
ring side clearances as shown.
Refer to table of clearances.
3-820
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