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TM 5-4210-220-34
a.
Engine Parts (Standard Size, New) - Continued
MINIMUM
MAXIMUM
LIMITS
Journal out-of-round
................................................................................
0.0005"
0.0005"
Journal taper
Main Bearing ................................................................................
0.0004"
0.0004"
Connecting rod (full length) ...........................................................
0.0008"
Connecting rod (half length) ..........................................................
0.0004"
Runout on journals-total indicator reading:
(mounted on No. 1 and No. 4 journals):
At No. 2 and No. 3 journals .........................................................
0.0020"
Thrust washer thickness .............................................................................
0.1190"
0.1220"
End play (end thrust clearance) ..................................................................
0.0040"
0.0110"
0.0180"
(6)
Connecting Rod Bearing
Inside diameter (vertical axis) .....................................................................
3.0005"
3.0035"
Bearing-to-journal clearance ......................................................................
0.0008"
0.0045"
0.0045"
Bearing thickness 90 deg. from parting line ..............................................
0.1240"
0.1245"
(7)
Main Bearings
Inside diameter (vertical axis) .....................................................................
4.5016"
4.5040"
Bearing-to-journal clearance ......................................................................
0.0014"
0.0055"
0.0055"
Bearing thickness 90 deg. from parting line ..............................................
0.1545"
0.1552"
(8)
Camshaft
Diameter (at bearing journals):
Front and rear ................................................................................
1.4970"
1.4975"
Center and intermediate ................................................................
1.4980"
1.4985"
Runout at center bearing (when mounted
on end bearings)
................................................................................
0.0020"
End thrust
................................................................................
0.0030"
0.0150"
0.0180"
Thrust washer thickness .............................................................................
0.1190"
0.1220"
Camshaft Bearings
Inside diameter:
Front and rear
................................................................................
1.5000"
1.5010"
Center and intermediate .............................................................................
1.5010"
1.5030"
Clearance-bearing-to-shaft:
Front and Rear
................................................................................
0.0025"
0.0040"
0.0060"
Center and, intermediate ............................................................................
.0.0025"
0.0050"
0.0090"
Outside diameter:
Front and rear
................................................................................
2.1875"
2.1880"
Center and intermediate .............................................................................
2.1840"
2.1860"
Diameter of cylinder block bore ..................................................................
2.1875"
2.1889"
Clearance-bearings-to-block:
Front and rear ................................................................................
0.0005"press
0.0014" loose
Intermediate
................................................................................
0.0015"
0.0045"
(9)
Camshaft Gears
Inside diameter
................................................................................
1.1865"
1.1875"
Clearance-gear-to-shaft .............................................................................
0.0015"press
0.0000"
Backlash
................................................................................
0.0020"
0.0080"
0.0100"
C-6
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