Yanmar YM155d Service Manual page 128

( i 5 ) lnsert the (31) oil seal TC25458.
[Caution:]
(1) Insert the (30) oil seal TC 135
x 160 x 14
to the edge of the (3) upper front gear case.
(31
Upper f m n t gear care
(30) Oil real TCl35x160x14
(2) Insert the (31) oil
seal
TC25458 to the edge
of the (3) upper front gear case.
(31 Oil real TC25458
(20) Ball
bearing
6205U
(5) The inner lace of the (18) thrust bearing
51105 (2 pcs). as shown in the illustration. has a
different top and bottom dimension. Be sure
that the side with the larger inner lace is placed
in contact with the inner face of the (19) king
pin bevel gear 28/14.
(6) Be sure to attach the (16) shim 22.5 x 4 0 x
0.1, 22.5 x 40 x 0.3 between the (15) spacer 22.5
x 4 0 x 1.
(7) Adjust the (16) shims (0.004, 0.012 in.)
(0.1, 0.3 mm) so the clearance between the (9)
nut 18 x 1.5 and the (1 5) spacer 22.5 x 40 x 1
and the (32) plain washer is 0-0.004 in. (c0.1
mm).
(8) Attach the (17) bolt 10 x 40
as
shown in
the illustration.
0.43 in. (11 mml
Spring
washer 10
(17) Bolt 10x40
/
1
(31
Upper front gear
case
(9) Shim A: 25 x 35 x 0.1
25 x 35 x 0.3
(3) Both ball bearings (20) and (22) are size
Shim B: 30 x 45 x 0.1
6205; but since (20) is
a
one-side seal, be sure to
30 x 45
x
0.3
attach
it
in the correct manner.
(10) Tightening torque:
(4) Attach the (20) ball bearing 6205 U from
a)
(1) Bolt 10 x 28 (2 pcs):
the bottom of the seal side, and apply grease.
33-43 ft-lbs (4.5-6.0 kg-m)
0.9843 in. I25 mm)
I
King pin bevel side
I .
1 -
0.9921 in. (25.2 mml
b)
(2) Nut 10 (2 pcs):
33-43 ft-lbs (4.5-6.0 kg-m)
C)
(33) Bolt 10 x 28 (4 pcs):
33-43 ft-lbs (4.5-6.0 kg-m)
d)
(7) Bolt 8 x 22 (4 pcs):
9-12 ft-lbs (1.3-1.7 kg-m)
e)
(34) Bolt 12
x
25 (4 p a ) :
58-72 ft-lbs (8.0-10 kg-m)