"ENGINES FITS AND TOLERANCES-360/460" CONT'D.
Size
of
New Parts and Wear
Limits
DESCRIPTION
mm
Assembly clearance between rocker arm shaft and
bushings (fitted)
..................................
.
0.016.
0.052
Dia.
of
timing
idler
gear axle
..........................
.
31.975 • 32.000
1.0.
of
timing
idler
gear bushing
.......................
. 32.050 . 32.075
Assembly clearance between
idler
gear axle and bushing
..
.
0.050 • 0.100
Thickness
of
idler
gear thrust washer
...................
.
1.450 • 1.500
Valve spring specifications:
-free
length
.......................................
. 66.5
-closed-valve
length (6.55 + 7.55 kg = 14.4 + 16.6
lb
loading)
.........................................
. 37.5
...
38.5
-open-valve
length
(15.4
+ 16.7 kg = 33.9 + 36.8 lb
loading)
.........................................
. 26.8
...
28.8
-Test
length
(32
daN =
71.91
lbs. Test Load)
............
.
40.5.
41.5
-Test
length
(50.1
daN = 112.581bs. Test Load)
.........
.
30.7.
30.9
Rocker-arm spacing spring specifications:
-free
length
.......................................
.
59.500
-test
length
(4.7
·
5.3
daN = 10.56-11.91 lbs.
test
load)
...
.
44.000
Ill.
Power Train
Dia.
of
standard size pistons, measured at a point 50mm. (1.968 in.)
above the base
of
the skirt (Figure
42):
-Class
A...........................................
94.800 · 94.812
-Class
B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94.812 - 94.824
Max. dia.
of
standard size pistons, measured at the base
of
the skirt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94.894 - 94.918
Running clearance between
pistons
and
cylinder
liners belonging
to
the same class
of
tolerance
........
.
Dia.
of
oversize pistons, measured
50
mm.
off
skirt:
-0.2
mm. (0.008 in.)
.................................
.
-0.4
mm. (0.016 in.)
.................................
.
-0.6
mm. (0.020 in.)
.................................
.
-0.8
mm. (0.032 in.)
.................................
.
Oia.
of
piston pin:
-standard
..............................•...........
-0.20
mm. (0.008 in.) oversize
.........................
.
1.0.
of
connecting rod small end bushings (fitted):
-standard
size
.....................................
~
-0.20
mm. (0.008 in.) oversize
.........................
.
Assembly clearance between
piston
pin and small
end bushings
...................................•..
0.0.
of
connecting
rod small end bushings
..............
.
Oia.
of
small end bushing bore
locations
................
.
Interference
fit
between small end bushings and
connecting
rod bore
...........••...................
1.0.
of
piston bosses:
-standard
size
..................•...................
Assembly clearance
of
piston
ring In grooves:
-1st
ring
..........................................
.
-2nd
ring
............................•.............
-3rd
ring
..........................................
.
Engine·
48
0.188.
0.212
95.000 • 95.012
95.200. 95.212
95.400 • 95.412
95.600. 95.612
31.983. 31.990
32.183 • 32.190
32.005. 32.012
32.205. 32.212
0.015 • 0.029
35.979 • 36.017
35.861
• 35.899
-0.063.
-0.140
31.983. 31.990
0.090 • 0.122
0.050 • 0.082
0.040 • 0.075
in.
0.0006 . 0.0020
1.2588 . 1.2598
1.2618. 1.2628
0.0020 . 0.0040
0.0571
.
0.0591
2.6181
1.476
...
1.516
1.055
...
1.134
1.5944 . 1.6338
1.2086. 1.2165
2.3425
1.7322
3.
7323 .
3.
7327
3.7327. 3.7332
3.7360. 3.7369
0.0056
. 0.0066
3.7401
. 3.7406
3.7480. 3.7485
3.
7559 .
3.
7563
3.
7634 •
3.
7642
1.2592 • 1.2594
1.2670 . 1.2673
1.2600 • 1.2603
1.2679 • 1.2682
0.0006 .
0.0011
1.4165. 1.4180
1.4125. 1.4140
- 0.0025 • - 0.0055
1.2592 • 1.2594
0.0035 . 0.0048
0.0020 • 0.0032
0.0016. 0.0029
j
)
)