Table 1-1. Engine Repair and Replacement Standards
For Engine Model D333TA--Continued
Manufacturer's dimensions
Desired clearance
Maximum
Component
and tolerances in inches
allowable wear
Min
Max
Min
Max
or clearances
Connecting Rod:
Bearing clearance .................................................
0.0032
0.0061
------------
------------
0.009
Center to center distance .....................................
8.999
9.001
Piston pin bearing base ........................................
1.7009
1.7015
Crankshaft:
Main journal diameter ...........................................
3.499
3.500
------------
------------
0.005
Main bearing clearance ........................................
0.0030
0.0059
------------
------------
0.008
End clearance.......................................................
0.011
0.018
------------
------------
0.027
Connecting rod journal diameter-- ........................
2.999
3.000
------------
------------
0.004
Permissible out-of-round ......................................
------------
------------
------------
------------
0.002
Cylinder Block:
Main bearing original base ...................................
3.8155
3.8165
Cylinder Liner:
Inside diameter .....................................................
4.500
4.501
Counterbore in block ............................................
0.400
0.402
Flange thickness...................................................
0.403
0.405
Fan Belt Tension:
Slack at point midway between pulleys ................
------------
0.500 in.
Fuel Injection Equipment:
Fuel injection pump timing (before top center) .....
------------
11
Fuel Injection pump timing dimension setting (off
engine) ..........................................................
------------
4.2675
0.002
Fuel injection pump timing dimension setting (on
engine) with pistons at top center ..................
------------
4.2255
0.002
Fuel pump plunger length .....................................
2.591
2.5937
------------
------------
0.004
Injector nozzle orifice ............................................
------------
0.025
Fuel rack:
Bearing bore .........................................................
0.5007
0.5018
Bearing clearance .................................................
0.002
0.008
------------
------------
0.004
Camshaflt:
Bearingbore ..........................................................
1.8750
1.8760
Bearing clearance ................................................
0.0015
0.0035
------------
------------
0.007
Fuel Transfer Pump:
Clearance between gears and covers total ..........
0.0010
0.0022
------------
------------
0.0035
Bearing bore .........................................................
0.4950
0.4956
Shaft diameter ......................................................
0.4936
0.4938
Bearing clearance .................................................
0.0012
0.0019
------------
------------
0.003
Governor:
Backlash between drive gear and driven gear ......
0.002
0.006
Oil pump:
Clearance between gears and cover, total ...........
0.002
0.004
Shaft diameter ......................................................
0.7404
0.7410
Bearing clearance .................................................
0.0010
0.0026
------------
------------
0.004
Idler Gear:
Backlash between idler gear and crankshaft gear
0.001
0.013
Bearing bore .........................................................
1.2505
1.2515
Bearing clearance .................................................
0.0020
0.0036
------------
------------
0.0065
Drive Gear:
Backlash between drive gear and idler 0gear ......
0.001
0.013
Piston Pins:
Clearance in rod bearing ......................................
0.009
0.0019
------------
------------
0.004
Maximum clearance in piston ...............................
------------
------------
------------
------------
0.004
Piston Rings:
Piston ring side clearance:
Top ring .........................................................
0.0030
0.0044
------------
------------
0.007
Intermediate ring ...........................................
0.0025
0.0039
Oil control ring ...............................................
0.0015
0.0033
Ring Gap (new liner and ring):
Top ring ...............................................................
0.017
0.023
Intermediate ring...................................................
0.018
0.024
Oil control ring ......................................................
0.013
0.023
AGO 20051A
1-4
