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 TM 55-1905-221-14-1
Table 1-2. Engine Repair and Replacement Standards (Metric).
Manufacturers'
Dimensions and
Desired
Component
Tolerances In Inches
Clearance
Maximum*
Allowable
Wear and
Minimum
Maximum
Minimum
Maximum
Clearances
(cm)
(cm)
(cm)
(cm)
In Centimeters
CYLINDER BLOCK
Block bore
Diameter ................................ ......................
11.7513
11.7538
..........
..........
..........
Out of Round ................................ ...............
..........
.0025.
..........
..........
.0076
Taper ................................ ...........................
..........
.0025.
..........
..........
.0051
Cylinder liner counterbore
Diameter ................................ ......................
12.8168
12.8231
..........
..........
..........
Depth................................ ...........................
1.2153
1.2179
..........
..........
..........
Main bearing bore
Inside diameter ................................ ............
9.6825
9.6850
..........
..........
..........
Top surface of cylinder block
Center line of crankshaft to
top of cylinder block distance.......................
41.1074
41.1201
..........
..........
41.0870 (min)
Flatness-transverse................................ ......
..........
..........
..........
..........
.0076
Flatness-longitudinally ................................ .
..........
..........
..........
..........
.0127
Depth of counterbores (top surface)
Cylinder head seal strip groove....................
.2337 .
.2718.
..........
..........
..........
Large water holes (between cylinders).........
.2769 .
.3048.
..........
..........
..........
Small water holes (at ends)..........................
.2210 .
.2489.
..........
..........
..........
CYLINDER LINERS
Outside diameter ................................ ............
11.7475
11.7500
..........
..........
..........
Inside diameter ................................ ...............
10.7937
10.7978
..........
..........
..........
Clearance-liner-to block bore ..........................
..........
..........
. .0018
.0064..
.0076
Out-of-round-liner inside diameter...................
..........
.0051.
..........
.0076
Taper-liner inside diameter .............................
..........
0.0025
..........
..........
.0051
1-20
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