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 TM 55-1905-221-14-1
Table 1-2. Engine Repair and Replacement Standards (Metric) (Continued).
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 LINERS (Cont)
Depth of liner flange BELOW block.................
.1181 .
.1270.
..........
..........
.1270
Variation in height between adjacent liners.....
.
..........
.0051.
..........
..........
.0051
CYLINDER HEAD
Flatness-transverse................................ .........
..........
..........
..........
..........
.0102
Flatness-longitudinally................................ .....
..........
..........
..........
..........
.0254
Distance between top deck and fire deck........
9.0322
9.0627
..........
..........
8.9814
WATER NOZZLES ................................ ............
.03125
Flush .
..........
..........
..........
CAM FOLLOWER BORES ................................
2.6375
2.7000
..........
..........
2.7051
EXHAUST VALVE SEAT INSERTS .
Seat width (30')................................ ...............
.0625 .
.09375
..........
..........
.09375
Valve seat runout................................ ............
..........
.0051.
..........
..........
.0051
EXHAUST VALVES
Stem diameter ................................ ................
.8679 .
.8700.
..........
..........
.8649
Valve head to cylinder head (30 ...................
)
.0051 .
.0711.
..........
..........
..........
................................ ................................ ....
Protrusion
VALVE GUIDES
Height above cylinder head.............................
4.0483
4.0483
..........
..........
4.0483
Diameter, inside................................ ..............
.8750 .
.8776.
..........
..........
.8801
Clearance, stem to guide ................................
..........
..........
.0051 .
.0097..
.0152
ROCKER ARMS AND SHAFTS
Rocker shaft diameter................................ .....
2.2187
.2200.
..........
..........
..........
Rocker arm shaft bushing inside diameter.......
2.2225
.2250.
..........
..........
..........
Clearance, shaft to bushing.............................
..........
..........
.0025 .
.0064..
.0102
1-21
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