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 TM 55-1905-221-14-4
6-29. CYLINDER BLOCK - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION/ITEM
ACTION
REMARKS
INSPECT (Cont)
c. Hone the block bores as
follows:
(1) Use a hone in which
the cutting radius
of the stones can be
set in a fixed
position to remove
irregularities in
the bore rather than
following the irreg-
ularities as with a
spring-loaded hone.
Clean the stones
frequently with a
wire brush to prevent
stone loading. Follow
the hone manufacturer's
instructions regarding
the use of oil or
kerosene on the
stones. Do not use
such cutting agents
with a dry hone.
Use 120 grit stones.
(2) Insert the hone in
the bore and adjust
the stones snugly to
the narrowest
section. When
correctly adjusted,
the hone will not
shake in the bore,
but will drag freely
up and down the bore
when the hone is not
running.
6-526
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