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Page Title:
Table 1. Engine Repair and Replacement Standards-Continued |
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  TM 5-6115-400-35
Table 1. Engine Repair and Replacement Standards-Continued
Manufacturer'
s
Maximum
Component
dimensions and
Desired
allowable
tolerance in
clearance
wear and
inches
clearance
Min.
Max.
Min.
Max.
O. D. of bearing . .......................................................
2.0407
2.0472
Fit-bearing 0. D. to body ........................................
- ------------
------------
0.0010
0.0005
...............................................................................
loose
tight
Hub-water pump drive-bore ......................................... -
1.1260
1.1260
Shaft diameter (for hub) ............................................
1.1255
1.1260
Fit-bore (hub to shaft) ...........................................,
------------
0.0005
0.0010
...............................................................................
loose
tight
Fan hub
Front bearing
Bearing bore (I.D. for shaft) ...........................................
1.1807
1.1811
Shaft diameter ...........................................................
1.1808
1.1808
Fit-bearing to hub ..................................................
------------
------------
0.0008
0.0001
...............................................................................
loose
tight
Bearing O.D. .................................................................
2.4404
2.4409
Bore in hub (for bearing) ...............................................
2.4408
2.4418
Fit-bearing to hub ......................................................
-------------
------------
0.0009
0.0008
...............................................................................
loose
tight
Rear bearing
Bearing bore (I.D. for shaft) ......................................
1.8775
1.8780
Shaft diameter ...........................................................
1.8771
1.8776
Fit-shaft to bearing ................................................
------------
------------
0.0009
0.0001
...............................................................................
loose
tight
Bearing O. D. ................................................................
2.8341
2.8346
Bore in hub (for bearing) ...........................................
2.8340
2.8350
Fit-bearing to hub ..................................................
------------
------------
0.0009
0.0006
...............................................................................
loose
tight
Idler assembly-water pump
Bearing bore (I.D. for shaft) ,..........................................
1.1807
1.1811
Shaft diameter ...............................................................
1.1803
1.1808
Fit-shaft to bearing ........................................................
------------
------------
0.0008
0.0001
...............................................................................
loose
tight
Bore in pulley for bearing ...............................................
2.1647
2.1652
Bearing O.D. .................................................................
2,1649
2.1654
Fit-bearing to pulley .......................................................
------------
------------
0.0003
0.0007
...............................................................................
loose
tight
Accessory drive
Accessory drive housing
O.D. of upper and lower shafts for housing
bushings ...............................................................
1.2470
1.2480
O.D. of bushing ....................................................
1.4385
1.4390
Bore in housing for bushing ..................................
1.4370
1.4375
I.D. of bushing installed ........................................
1.2495
1.2507
Fit-bushing to bore in housing ...........................
------------
------------
0.0010
0.0020
...............................................................................
tight
Upper and lower shaft-to-bushing clearance .................
------------
------------
0.0015
0.0037
Accessory drive cover
O.D. of lower shaft for
cover bushing ............................................................
0.9990
1.0000
O.D. of bushing .........................................................
1.2510
1.2515
Bore in cover for bushing ..........................................
1.2495
1.2500
I.D. of bushing installed ............................................
1.0015
1.0027
Fit-bushing to bore in cover ...................................
------------
------------
0.0010
0.0020
...............................................................................
tight
Lower shaft-to-cover bushing clearance ............................
------------
------------
0.0015
0.0037
10
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