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Page Title: Section III. TORQUE SPECIFICATIONS
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TM 10-3930-632-34
Engine Part
Point of Measurement
Wear
Limit
Connecting Rods .....................................
Bush. Hole Dia ...........................................................
7632/.7622
Brg. Hole Dia..............................................................
1.6245/1.6240
Brg. Thickness ...........................................................
0617/.0614
Wear Limits-Min. Thk. ................................................
.0609
Dia.-Crank Pin............................................................
1.500-1.499
Wear Limits-Min. Dia. ................................................
1.498
Clearance Limits .......................................................
.0006/.0027
Desired Clearance .....................................................
.0015
Wear Limits-Max. C1 ................................................
.0037
Side Play ...................................................................
.0105/.006
Desired Side Play ......................................................
0065
Main Bearings .........................................
Dia of Brg Bore in Block ............................................
1.8747/1.8740
Brg. Thickness ...........................................................
.0625/.0622
Wear Limits-Min. Thk .................................................
.0617
Dia. of Main Brg. Jr. ...................................................
1.7485/1.7475
Wear Limits-Min. Dia. ................................................
1.7465
Clearance Limits ........................................................
.0005/.0028
Desired Clearance .....................................................
.0015
C/S End Play..............................................................
003/.008
Piston Pin.................................................
Length ........................................................................
2.7553/2.7543
Diameter ....................................................................
7085/.7083
Wear Limits-Min. Dia. ................................................
.7080
Desired Fit . ...............................................................
Light Push
Bush. Hole Dia.-Fin....................................................
.7089/.7087
Wear Limits-Max. Dia ................................................
.7099
Pin Cl. in Bushing ......................................................
.0006/.0002
Desired Pin Fit ...........................................................
.0004
Pistons .....................................................
Cylinder Dia. ..............................................................
3.1875/3.1895
Wear Limits- Cyl. Bore ................................................
.008
Piston Pin Hole Dia. ...................................................
.7086/.7084
Ring Groove Width-#1 ..............................................
.0955/.0945
Max. Wear Limit Width ..............................................
.0975
Ring Groove Width-#2 ...............................................
.0955/.094
#3 . ...........................................
251/.250
Max. Wear Limit Width-12 .........................................
.0975
#3 ...........................................
.253
Piston Fit-Feeler Gage ..............................................
.002
Lbs. Pull ....................................................................
5-10#
Piston Rings.............................................
Ring Width-#1 ............................................................
0935/.0925
Wear Limits-Min. Width .............................................
.0905
Ring Width-
#2 ...........................................
.0935/.0925
#2 ...........................................
.249/.2485
Wear Limits-Min. Width-#2 ........................................
.0905
#3 ...........................................
.2465
Ring Gap Clear.-#1 ...................................................
.013/.008
Ring Gap Clear.-#2 & #3............................................
#2-.013/.008
#3- ...........................................
.016/.008
Ring Side Clar.-#1......................................................
.003/.001
#2 ...........................................
.003/.001
#3 ...........................................
.0025/.001
Section III. TORQUE SPECIFICATIONS
during engine/component reassembly.
The torque
9-3.  General
values are listed in foot-pounds and must be strictly
Due to the many various sizes of fasteners used in the
observed.
engine, the following table 9-2 should be consulted
9-2

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