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Table 1-2. Repair and Replacement Standards - (Cont) | Up
TM-5-6115-545-34 Generator Set Diesel Engine Driven Tactical Skid Mtd. 30 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual | Next
Table 1-2. Repair and Replacement Standards - (Cont) |
Table 1-2. Repair and Replacement Standards - (Cont )
Manufacturer’s
Maximum
dimensions and
allowable
tolerances in
wear and
inches
clearance
Components
Minimum
Maximum
Drive for tachometer, overspend and/or
cranking limit switch:
Bore bushing installed
0.5005
0.5013
0.001
Outside diameter of shaft
0.4990
0.4995
0.0005
Clearance - shaft to bushing
0.001
0.0023
0.002
Bore in gear
0.4975
0.4985
0.0005
Fit of shaft to gear
0.0005
0.002
0.0015
inter-
inter
ference
ference
End play installed
0.000
0.035
-----
Electric starter commutator diameter
1.6480
1.6800
0.002
Commutator minimum turned diameter
1.6470
1.6700
Brush length
0.3750
0.7500
0.3750
Armature shaft diameter
0.8700
0.8720
0.0140
Armature maximum end play
0.0300
0.0500
Fit of armature shaft in bearing
0.0020
0.0060
0.0020
Armature shaft drive end diameter
0.7450
0.7460
0.0030
Distance from end of armature shaft to face
4.8100
4.8400
0.0300
of spline
Clearance between thrust washer and pinion
0.020
0.050
Turbocharged
Impeller shaft bearing bore
0.4000
0.4019
Impeller shaft bearing outer diameter
0.6182
0.6170
Metallic seal ring bore
0.5015
Impeller wheel bore to shaft fit
0.0002
0.0004
Shaft radial movement
0.003
0.007
Shaft end play
0.001
0.0042
Bore, impeller shaft bearings
0.4019
Outer diameter impeller shaft bearings
0.6182
Thrust bearing collar bore
0.l7ll
0.1720
Metallic seal ring bore
0.5015
1-45
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