(
DESCRIPTION
Specifications
of
transmission
clutch
pressure plate return
springs
-free
nominal
length
-compressed
length under a load
of
11
·
12
kg (24.5 ·
26
lb.)
Specifications
of
modified
P.T.O.
clutch
release lever return springs
-free
nominal
length
-length
under a load
of
25
•
27
kg
(55
· 59.5 lb.)
Ill.
Gearbox · 6/2
Splines
backlash:
-driven
gears
-driving
gears
-synchromesh
engagement sleeve
-planetary
reduction gear
sliding
sleeve (inside spline)
-planetary
reduction gear sliding sleeve (outside spline)
Tooth
backlash:
-gearbox
gears
-gears
of
the planetary reduction gear
Outside
diameter
of
splined bushings and
of
1st and 2nd
speed driven gear bushings
Diameter
of
the 1st, 2nd, 3rd, and 4th speed driven gear bores
Assembly
clearance between 1st and 2nd speed driven gear
bushings
and splined bushings and driven gear
Max.
permissible
clearance
Diameter
of
1st and 2nd speed driven gear bushing bores
Diameter
of
the countershaft
Assembly
clearance between bushings and the countershaft
Thickness
of
the countershaft thrust ring
Permissible wear thickness
Diameter
of
the
reverse gear axle
Inside
diameter
of
bushing
Running clearance
of
reverse gear axle and bushing
Wear
limit
Outside
diameter
of
reverse gear bushing
Bore
of
the reverse speed gears
Interference
fit
of
the bushing and the reverse speed gears bore
Diameter
of
reduction gear pinion shafts
(50,
Fig.
8.11/9)
Diameter
of
bearing needles
(51)
Diameter
of
bearing needle location on driven gears
(53)
Assembly
clearance
of
bearing needles and
their
location
on driven gears
Wear
limit
Thickness
of
planetary reduction gear
pinions
frictic.m
discs
and
of
the
toothed rim
Wear
limit
Specifications
of
the speed selector plate return spring:
-free
length
-length
under
a load
of
8.6·9.5 lbs. (3.9 • 4.3 kg)
Power Train · 136
FITS AND TOLERANCES
ln. (mm.)
25.2
11.2
48.8
29.85
0.0039·0.0042
0.0006·0.0037
0.0039
0.0027-0.0067
0.0134·0.0173
0.0039·0.0079
0.0028·0.0051
1.
7699·1. 7705
1.
7736·1.
77
46
0.0031·0.0045
0.012
1.3569·1.3581
1.3571-1.3583
0.001
0·0.013
0.2224-0.2244
0.197
0.9834·0.9842
0.9868-0.9880
0.0014-0.0047
0.012
1.1420·1.1470
1.1378·1.1397
0.0020·0.0091
0.5665·0.5669
0.1177-0.1181
0.8035-0.8043
0.0004·0.0024
0.0060
0.0567-0.0614
0.0512
1.339
0.787
0.99
0.44
1.61
1.17
0.01
0·0. 106
0.015·0.093
0.100
0.070·0.170
0.340·0.440
0.1
00·0.200
0.070·0.130
44.959·44.971
45.050·45.075
0.080·0.116
0.30
34.466-34.495
34.4 70·34.500
0.025·0.034
5.65·5.70
5.00
24.979-25.000
25.065·25.095
0.035-0.119
0.30
29.000·29.130
28.
900·28. 950
0.050·0.230
14:389-14.400
2.990·3.000
20.41
0·20.430
0.008·0.062
(0.15)
(1.440-1.560)
(1.30)
(34)
(20)
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