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 TM 55-1905-219-14-11
5-79. CYLINDER BLOCK - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
INSPECT (Cont)
too long will cause the bore to become
irregular. Where and how much to hone can
be judged by feel. A heavy cut in a
distorted bore produces a steady drag on
the hone and makes it difficult to feel
the high spots. Therefore, use a light
cut with frequent stone adjustments.
(5) Wash the cylinder block thoroughly
after the honing operation is completed.
d. Check the cylinder block bores:
(1) Visually check contact area as revealed
by the honed surface. There must not be
any low spots which are larger in area
than a half dollar.
(2) Measure the entire bore of each cylinder
with cylinder bore gage J5347 which has
a dial indicator calibrated in .0001 inch
increments. The standard block bore is
4.6260 inch to 4.6270 inch.
5-1077
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