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 TM 55-1905-220-14-4
Table Of Specifications. (continued)
ENGINE PARTS
MINIMUM
MAXIMUM
LIMITS
(Standard Size, New)
(inches)
(cm)
(inches)
(cm)
(inches)
(cm)
Exhaust Valve Insert
Counterbore:
Diameter ......................................
1.2600
3.2004
1.2610
3.2029
Depth ...........................................
.3380
.8585
.3520
.8941
Exhaust Valve Seat Inserts
Outside diameter ................................
1.2615
3.2042
1.2625
3.2068
Seat width...........................................
.0469
.1191
.0938
.2383
.0938
.2383
Valve seat runout................................
.0020
.0051
.0020
.0051
Exhaust Valves
Stem diameter ....................................
.3100
.7874
.3105
.7887
.3090
.7849
Valve head-to-cylinder head:
30 ..............................................023 recess .0584 recess .006 protr. .0152 protr.
Valve Guides
Height above cylinder
head .............................................
.8800
2.2352
.8800
2.2352
Diameter-inside .................................
.3125
.7938
.3135
.7963
.3140
.7976
Clearance-valve-
to-guide ........................................
.0020
.0051
.0035
.0089
.0050
.0127
Valve Bridge Guides
Height above cylinder
head .............................................
2.0400
5.1816
2.0400
5.1816
Rocker Arms and Shafts
Diameter-rocker shaft .........................
.8735
2.2187
.8740
2.2200
Diameter-inside
(rocker arm bushing) ....................
.8750
2.2225
.8760
2.2225
Clearance-shaft-to-
bushing ........................................
.0010
.0025
.0025
.0064
.0040
.0102
Cam Followers
Diameter.............................................
1.0600
2.6924
1.0610
2.6949
Clearance-follower-
to-head.........................................
.0010
.0025
.0030
.0076
.0060
.0152
Rollers and pins:
Clearance-pin-to-
bushing ..................................
.0013
.0033
.0021
.0053
.010 Horiz .0254 Horiz
Side clearance-
roller to follower............................
.0150
.0381
.0230
.0584
.0230
.0584
3-259
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