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 TM 55-1905-220-14-5
3-58. ELECTRIC POWER GENERATION AND DISTRIBUTION (Cont).
TABLE OF SPECIFICATIONS, NEW CLEARANCES AND WEAR LIMITS (Cont)
ENGINE PARTS
MINIMUM
MAXIMUM
LIMITS
(Standard Size, New)
(inches)
(cm)
(inches)
(cm)
(inches)
(cm)
BLOWER DRIVE GEAR
Backlash.............................................
.0030
.0076
.0080
.0203
.0100
.0254
Gear-to-hub fit ....................................
.0005
.0013
.001
.0025
press
press
loose
loose
Support-to-end plate ...........................
.0005
.0013
.0025
.0064
press
press
loose
loose
Inside diameter
(support bushing) .........................
1.6260
4.1300
1.6265
4.1313
Hub diameter
(at bearing)...................................
1.6240
4.1250
1.6250
4.1275
Hub-to-support bushing
clearance .....................................
.0010
.0025
.0025
.0064
.0050
.0127
Hub-to-cam clearance ........................
.0020
.0051
.0070
.0178
End thrust (current
bearing) ........................................
.0060
.0152
.0140
.0356
CYLINDER HEAD
Flatness-transverse ............................
.0040
.0102
Flatness-longitudinal ...........................
.0055
.0140
Distance between top
deck and fire deck ........................
3.5560
9.0322
3.5680
9.0627
3.5360
8.9814
Water nozzle ......................................
.0312
.0335
Flush
Flush
Recess
Recess
Cam follower bores ............................
1.0620
2.6975
1.0630
2.7000
1.0650
2.7051
EXHAUST VALVE SEAT INSERTS
Seat width-30(4-valve) .....................
.0468
.1189
.0937
.2380
.0937
.2380
Valve seat runout................................
.0020
.0051
EXHAUST VALVES
Stem diameter ....................................
.3100
.7874
.3105
.7887
.3090
.7849
Valve head-to-cylinder
head:
30 ..............................................
`
.023
.0584
.006
.0152
Recess
Recess
protr
protr
3-1028
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