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Page Title:
Table 4-1. Repair and Replacement Standards |
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 Maximum
Manufacturer's
allowable
dimensions and
wear and
Component
tolerances in inches
Desired clearance
clearance
Minimum
Maximum
Minimum
Maximum
Piston rings
ring width
Top ring
.093
.094
2nd ring
.093
.094
3rd ring
.1545
.1555
Ring gap
Top ring
.010
.020
.045
2nd ring
.010
.020
.045
3rd ring
.010
.020
.045
Ring groove clearance
Top ring
.002
.004
.006
2nd ring
.0015
.0035
.006
3rd ring
.0005
.0035
.006
PUMP:
Wear ring inside dia.
Impeller wearing dia.
ENGINE:
Piston land clearance with bore.
Top land
.028
.0285
2nd land
.028
.0285
3rd land
.028
.0286
Piston rings ring width
Top ring
.098
.094
2nd ring
.098
.094
3rd ring
.1545
.1556
Ring gap
Top ring
.010
.020
.045
2nd ring
.010
.020
.045
3rd ring
.010
.020
.045
Ring groove clearance
Top ring
.002
.004
.006
2nd ring
.0015
.0035
.006
3rd ring
.0005
.0035
.006
Piston pin
Pin dia.
.9899
.9901
End play
.003
.036
Clearance in piston
.00101
.0003
Connecting rod
Crank pin clearance
.0009
.0029
Side clearance
.008
.014
Distance between centers
6.964
6.969
Piston pin running clearance
in bushing
.000
.0005
Bushing bore
.9901
.9904
Crankshaft
Main bearing journal dia.
2.623
2.624
Rod bearing journals
2.2475
2.2485
Running clearance in main
bearing
.0024
.0044
End clearance
.003
.007
Gear press fit on shaft
.000
.022
Cam shaft
Running clearance
.0015
.003
4-2
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