TM 5-3895-370-14&P
5-63. CYLINDER BLOCK REPAIR (CONT).
(2)
Measure top surface of cylinder block for
flatness
at
each
position
B.
Variance
measurement must be no greater than 0.002 in.
(0.051 mm). If measurement is beyond limit,
replace cylinder block.
(3)
Check camshaft bores for scoring and excessive
wear. If severe damage is found, replace
cylinder block.
NOTE
Limits below are for bores 2 and 5
only.
(4)
Check camshaft bores at position C. Normal
measurement must be no greater than 2.1324
in. (54.1630 mm). If measurement is beyond
limit, replace cylinder block.
(5)
Check tappet bores for scoring or excessive
wear. If damaged is excessive, replace cylinder
block.
(6)
Measure tappet bores at position D. Normal
measurement is 0.630 to 0.632 in. (16.002
16.053 mm). If measurement is less than limit,
ream out tappet bores to size. If measurement
is greater than limit, replace cylinder block.
5-254
