"ENGINES FITS AND
TOLERANCES-510"
CONT'D.
Size
of
New
Parts and Wear
Limits
DESCRIPTION
mm
in.
Oia.
of
crankshaft journals:
-standard
size
..•...................................
76.187 • 76.200 2.9995 . 3.0000
-0.254
mm. (0.010 in.) undersize
......................
. 75.933 . 75.946 2.9895 . 2.9900
-0.508
mm. (0.020 in.) undersize
......................
.
75.579 . 75.692
2.9755 • 2.9800
-0.762
mm. (0.030 in.) undersize
......................
. 75.425 • 75.438 2.9695 . 2.9700
-1.016
mm. (0.040 in.) undersize
......................
.
75.171
• 75.184 2.9595 . 2.9600
Thickness
of
main
bearings:
-standard
size
.....................................
.
2.165.
2.172 0.0852 . 0.0855
-0.254
mm. (0.010 in.) undersize
......................
.
2.292 . 2.299 8.0902 . 0.0905
-0.508
mm. (0.020 in.) undersize
......................
.
2.419 . 2.426 0.0952 . 0.0955
-0.762
mm. (0.030 in.) undersize
......................
. 2.546 . 2.553 0.1002.
0.100.5
-1.016
mm. (0.040 in.) undersize
......................
.
2.673 . 2.680
0.1052.0.1055
Assembly
clearance between main bearings and
their
journals
.....................................
.
0.043 • 0.090 0.0017 . 0.0035
Oia.
of
crankshaft
connecting
rod bearing journals:
-standard
size
.....................................
. 58.730. 58.743
2.3122. 2.3127
-0.254
mm. (0.010 in.) undersize
......................
. 58.476. 58.489
2.3022 . 2.3027
-0.508
mm. (0.020 in.) undersize
......................
. 58.222 . 58.235 2.2922 . 2.2927
-0.762
mm. (0.030 in.) undersize
......................
. 57.968. 57.981 2.2822 . 2.2827
-1.016
mm. (0.040 in.) undersize
......................
. 57.714. 57.727 2.2722 . 2.2727
Thickness
of
connecting
rod bearings:
-standard
size
.....................................
.
1.813 . 1.822 0.0713. 0.0717
-0.254
mm. (0.010 in.) undersize
......................
. 1.940 . 1.949
0.0763 . 0.0767
-0.508
mm. (0.020 in.) undersize
......................
. 2.067 . 2.076
0.0813. 0.0817
-0.762
mm. (0.030 in.) undersize
......................
. 2.194 . 2.208 0.0864 . 0.0869
Assembly
clearance between
connecting
rod journals
and bearings
.....................................
.
0.021
• 0.058
0.0008 . 0.0023
Thickness
of
crankshaft thrust washers:
-standard
size
.....................................
. 3.378 . 3.429
0.1330.0.1350
-0.127
mm. (0.005 in.) oversize
........................
.
3.505 . 3.556
0.1380.0.1400
Length
of
crankshaft central main bearing journal
........
.
32.00 . 32.100 1.2598 . 1.2638
End
floating
of
crankshaft
............................
. 0.082 . 0.334
0.0032.
0.0131
V.
Lubrication
System
Oia.
of
oil
pump drive shaft
...........................
. 11.988. 12.000
0.4720.
0.4724
1.0.
of
pump
shaft bushing
............................
. 12.016. 12.043
0.4731
.
0.4741
Assembly
clearance between
oil
pump shaft and bushing
..
0.016.
0.055 0.0006 . 0.0022
0.0.
of
pump
shaft bushing
...........................
.
21.979 . 22.000
0.8653 .
0.8661
Oia.
of
bushing
locating
bore in pump body
..............
. 21.939 . 21.972
0.8637 . 0.8650
Interference
fit
of
bushing in
its
pump
location
..........
.
-0.007.
-0.061
- 0.0003 . - 0.0024
Oia.
of
driven gear shaft
..............................
. 11.907. 11.925 0.4687 . 0.4695
Oia.
of
driven gear
hub
hole
...........................
. I 11.958 • 11.973
0.4707. 0.4714
Assembly
clearance between shaft and gear hub hole
.....
. 0.033 . 0.066
0.0012. 0.0025
Tooth
backlash,
oil
pump drive and driven gears
..........
. 0.100 0.004
Width
of
drive and driven gears
........................
.
34.961 • 35.000
1.3764 . 1.3779
Length
of
bore (gear location) in pump body
.............
. 41.025.41.087
1.6151 ·1.6175
Gear and clearance in pump body
......................
. 0.025 . 0.126
0.0010. 0.0050
0.0.
of
drive and driven gears
.........................
. 35.970 • 36.000
1.4161 • 1.4173
Bore
diameter
(gear location) in pump body
.............
.
36.060 . 36.140
1.4197.
1.4228
Oiametral clearance
of
drive and driven gears in pump body
...
. 0.060 . 0.170
0.0024 . 0.0067
Oil
pressure valve spring
sepcifications:
-free
length
.......................................
. 45
1.77
-test
length
(6.5 • 7 daN = 14.6 -15.731bs.
test
load)
......
. 34.5
1.3582
-test
length
(9.8 • 10.6 daN = 22.02 • 23.821bs.
test
load)
..
.
29
1.417
Engine·
52