Table 1-2. Repair and Replacement Standards -(Cont)
Manufacturers
Maximum
dimension and
allowable
tolerances in
wear and
inches
clearance
,
Components
Minimum
Maximum
Hydraulic pump drive assembly
Bore in drive gear for shaft
1.0015
1.0025
0.0005
Fit - drive gear to shaft
0.0002
0.0017
0.0012
inter-
inter-
ference
ference
Adapter assembly and fuel injection pump mounting:
Bearing adapter
Outside diameter of bearing
1.0850
1.0855
0.0005
Bore in adapter for bearing
1.083
1.084
0.001
Fit - bearing-to-bore in adapter
0.001
0.0025
0.0015
inter-
inter
ference
ference
Bore in bearing after pressing into adapter
0.875
0.877
0.002
Shaft diameter
0.8735
0.8740
0.0005
Clearance - shaft -to-bearing
0.001
0.0035
0.0025
Lubricating oil pressure pump (crankshaft gear
0.874
0.875
0.001
driven) bore in cover and body for shafts
Shaft outside diameter
0.8715
0.8720
0.0005
Clearance - shaft to bore in cover and body
000020
0.0035
0.0015
Bore in drive gear - for shaft
0.8695
0.8705
0.005
Fit - shaft to drive gear
0.0010
0.0025
0.0015
inter-
inter -
ference
ference
End clearance (gear)
0.0025
0.0065
0.0015
Outside diameter of pressure gears
2.5694
2.5714
0.002
Bore in body for pressure gears
2.5754
2.5774
0.002
Radial clearance - gears to pump body
0.0020
0.004
0.002
Drive for tachometer, overspeed and/or cranking
limit switch
Bore for bushing in housing
0.7495
0.7505
0.001
Outside diameter of bushing
0.752
0.753
0.001
Fit of bushing in housing
0.0015
0.0035
0.0025
inter-
inter-
ference
ference
1-44