Yanmar YM155d Service Manual page 92

[Unit: inch immjl
No. Item
I
Standard specification
I
~eplac&e"t limit
I
Testing equipment
(
I
16.IThickness of the differential
I
I
0.035 ( 0 . 9 1
1
0.028 ( 0 . 7 1
.
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Cali~ers
side gear spacers
17.
0.039 (1.0)
0.043 (1.1)
0.047 (1.2)
I
I
I !
0 . 0 3 1 (0.8)
0.035 (0.9)
0.039 (1.0)
Outer diameter of metal
22
x
27 x 2 2 . 5
lnner diameter of the different-
ial housing
Clearance
18.
NOTES:
[ I )
Check to see that rhere is no looseness between the inner and outer faces of the
ball bearings and needle bearings. If there is any looseness, or
if
any abnonnal noises are
heard when turned, or i f it does nor turn smoothly, replace.
19.
20.
Particular care shouki be taken i n the case of needle bearings to see that the rollers are
nor cracked or chipped.
1.0609-1.0622 ( 2 7 $ : 0 0 2 3 0 )
+0.021)
1.0630-1.0638 (27
0.0008-0.0029 (0.020-0.074)
Outer diameter of the final
reduction pinion
lnner diameter of metal
22
x
27
x
22.5
( 2 ) If the gears have any uneven wear, galling, or scoring, they should be repaired or
replaced.
Micrometer
Cylinder gauge
0.012 (0.3)
Clearance - -
P.T.O. shah deflection (at tip)
Play in direction of rotation
between all gears and shaft
splines
(4) ltem 11 through 16 refer to measurements
of the differential assembly; ltem 12 is carried
out a t
a point 90" from the axial direction of the
A
motive power rotation shaft. Adjustments should
be made in the following manner:
Counter shaft
arzy
i)
When the =me drive pinion is reversed,
0.020
0.8641-0.8654 (2250,053)
0.8661-0.8674 (222031
use the shims that were fined initially.
0.0007-0.0033 (0.020-0.086)
counter shaft.
0.012 (0.3)
ii) When using
a
new ring gear and pinion:
b)
Fit the differential assembly into the
a) Insert shims [(two sizes are available:
final reduction gear case.
0,004, 0.012 in. (0.1, 0.3 mm)] between the
transmission ,case and the transminion case
C)
Insert shims [(two sizes are available:
front cover so that there is no space
on
the 0.004, 0.012 in. (0.1, 0.3 mm)] between the
Micrometer
Cylinder gauge
I
0.012 (0.3)
0.012 (0.3)
--
--
Dial gauge