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Page Title:
Table 4-6. Manufacture's Fits, Tolerances and Dimensions (Cont) |
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 TM 55-1740-200-14
Table 4-6. Manufacture's Fits, Tolerances and Dimensions (Cont)
ADDITIONAL
DESIRED MAXIMUM ALLOWABLE
MINIMUM
POINT OF MEASUREMENT
COMPONENT
WEAR OR
INCHES
INCHES
INCHES
CLEARANCE
Face angle
45
Intake
45
0.014
Valve tappet clearance-cold
Valve Guides:
Standard size valves
0.343
0.342
Intake
0.345
0.344
Valve Springs:
Free length
2.0
Intake
2.0
Camshaft
0.006
0.002
End play
0.004
0.002
Clearance
Diameter and length
2.00x1.09
Number 1
1.98x1.84
Number 2
1.94x1.84
Number 3
1.25x1.25
Number 4
Crankshaft:
0.006
0.002
End play
0.0015
0.0005
Main bearing clearance
Connecting Rods:
2.06
Journal Diameter
Connecting Rod
0.011
0.006
End play
0.0025
0.0010
Clearance
Current Regulator:
Voltage Regulator
0.052
0.048
Air gap
Voltage Regulator:
0.048
Air gap
0.015
Point gap
0.020
0.018
Breaker point gap
Distributor
40
38
Dwell angle
4-19
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