Yanmar YM155d Service Manual page 132

3-4
Differential Device Assembly (YM155D,
ring gear backlash to within 0.004--0.012 in.0.1-
YM135D, front axle) 0.3 mm).
(1) Attach the (2) ball bearing 6305 and the (3)
(9) Attach the (18) front axle (L1 to the (9)
circlip 25 to the (1) spiral pinion shaft.
front axle case.
(2) Attach the (4) ball bearing 5304, (6) oil seal
(10) Attach the (19) front axle (R) to the (9)
TC30458, (7) "0" ring G60, and (8) circlip
front axle case.
52 to the (5) front axle case cup.
(11) lnsert shims B into the position shown in
(3) Attach the (5) front axle case cup (step 2)
the illustration to eliminate play between the (16)
to the (1) spiral pinion shaft.
differential assembly and the (18) front axle (L)
and the (19) front axle (R).
(4) Insert the (1) spiral pinion shaft (step
3)
into the (9) front axle case.
NOTES;
a)
Insert the ( 6 ) oil seal TC 30458 so ~t is flush
(5) Use a mandrel to determine the position of
with the end of the
1-51
front axle case.
the (1) spiral pinion shaft. To adjust use front
axle shims 0.004, 0.012 in. (0.1, 0.3 mm)
b) Tighrenzng torque:
(11) bolt 8 x 30:
9-IZ ft-lbs
(1.3-1.7 kg-m]
(6) Attach the (1 1) bolts 8 x 30 (3 pcs), (15)
(13) bolt 8 x 16: 17-22 ft-16s (2.3-3.0 kern]
universal flange, (12) lock plate washer, (131
(20) bolt I0 x 28: 33-43 fr-lbs (4.5-6.0 kgm]
lock plate, and (14) bolt 8 x 16
as
shown in the
(21) bolt 8 x 25 ( 8 x 221: 17-22 ft-lbs (2.3-3.0
illustration.
kern)
c) Shims A &
B:
shim 72 x 0.1 mm
shim 72 x 0.3 mm
(7) Insert the (16) differential assembly into the
(9) front axle case.
CAUTION:
Figures in parentheses refer to Serial No. before51000.
(8) Use (17) shims A to adjust the pinion and
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