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Page Title:
Crankshaft journal and main bearing sleeves (0.0100-inch undersize). |
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 Wear limits
-
Fig.
Ref.
Sizes and fits
Field
Depot
No.
letter
Point of measurement
of new parts
maint
maint
(2) Crankshaft journal and main bearing sleeves (0.0100-inch undersize).
*
*
N
Inside diameter of main bearing
3.9370 to 3.9380
sleeve bores in crankcase.
AA
Thickness of main bearing sleeve ----
0.1604 to 0.1609
0.1594
0.1599
Zz
3.6152 to 3.6172
Inside diameter of main bearing sleeve
3.6192
3.6182
at proper torque tightness.
AE
Outside diameter of main bearing
3.6100 to 3.6110
3.6085
3.6095
sleeve journals.
Z Z-AE
Theoretical oil clearance between
0.0042L to 0.0072L
0.0085L
0.0092L
main bearing sleeve and crank-
shaft main bearing journal.
(3) Crankshaft journal and main bearing sleeves (0.0200-inch undersize).
*
*
N
Inside diameter of main bearing sleeve
3.9370 to 3.9380
bores in crankcase.
AA
Thickness of main bearing sleeve ----
0.1654 to 0.1659
0.1644
0.1649
ZZ
Inside diameter of main bearing sleeve
3.6052 to 3.6072
3.6092
3.6082
at proper torque thickness.
AE
Outside diameter of main bearing
3.6000 to 3.6010
3.5985
3.5995
sleeve journals.
ZZ-AE
Theoretical oil clearance between
0.0042L to 0.0072L
0.0092L
0.0085L
main bearing sleeve and crankshaft
main bearing journal.
(4) Crankshaft center main bearing thrust sleeve.
Y
Inside width of center main bearing
2.1370 to 2.1390
2.1420
2.1400
thrust sleeve crankshaft journal.
A
B Outside width of center main bearing
2.1250 to 2.1270
2.1200
2.1220
thrust sleeve.
Y-AB
Theoretical crankshaft end play be-
0. 0.00L to 0.0140L
0.0180L
0.0150L
tween center main bearing thrust
sleeve and crankshaft thrust surface.
*
*
z
Inside width of center main bearing
1.80'10 to 1.8030
thrust sleeve face.
*
*
AJ
Outside width of center main bearing
1.7970 to 1.7990
thrust sleeve cap and thrust surface
on crankcase.
*
*
Z-AJ
Fit of center main bearing sleeve
0.0020L to 0.0060L
over bearing cap and thrust surface
on crankcase.
AC
Thickness of center main bearing
0.1610 to 0.1630
0.1580
001590
thrust flange.
(5) Crankshaft bushing-type pilot bearing.
UU
Inside diameter of crankshaft bushing-
0.7490 to 0.7505
0.7525
0.7515
type pilot bearing.
*
*
TT
Outside diameter of crankshaft bush-
1.0030 to 1.0040
ing-type pilot bearing.
VV
Inside diameter of crankshaft bush-
0.9990 to 1.0000
1.0010
1.0005
ing type pilot bearing bore in crank-
shaft.
*
*
TT-VV Fit of crankshaft bushing-type pilot
0.0030T to 0.0050T
bearing in bearing bore.
337
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