Yanmar YM155d Service Manual page 127

3. FRONT AXLE ASSEMBLY
3-1 Front Axle Assembly (YM155D, YM135D)
(Refer to Diagram on Page 125)
[Parts Having a Serial No. After 510011
For the completed construction please refer to
the completed illustration. The assembly order
for the main parts are included below:
(1) lnsert the (20) ball bearing 6205U (one-side
seal), the (21) collar 25 x 30 x 72.67, a s well as
the (22) ball bearing 6205 into the (3) upper
front gear case.
(2) Attach the (24) ball bearing 6305, spacer
25.5 x 32 x 1, and circlip 25 to the (25)
front driving shaft.
(3) Fit the (23) bevel gear 14 into the (3) upper
gear case, and attach the assembled parts in step
2 to the assembled parts of step 1.
(4) From the top of the (3) upper front gear
case, f i t the (12) king pin into the parts assembled
in step 3. Attach the (18) thrust bearing 51 105,
the (26) needle bearing 25 x 31 x 20 (2 pcs), and
the (19) king pin bevel gear 28/14 to their proper
position.
(5) Attach shims A between the (23) bevel gear
and the (24) ball bearing 6305 to adjust the back-
lash of the (23) bevel gear 14 and the (19) king pin
bevel gear between 0.004-0.012 in. (0.1-0.3 mm).
(6) Remove the (12) king pin, (18) thrust bear-
ing 51 105, and the (26) needle bearing 25 x 31 x
20 that were attached in step 4.
(7) Attach the oil seal TC4062126 to the (27)
front gear case cap.
n
(8) lnsert the seal ring 34 x 40 x 17 into the
.
,
front axle shaft.
(9) Attach the (27) front gear case cap, ball
bearing 6306 (2 pcs), liner 30 x 42 x 2, circlip
30, collar 30 x 38 x 13. and liner 30.5 x 45 x 9.5
to the (8) front axle shaft.
(10) Place the (28) bevel gear 20 on the (4) lower
front gear case, and attach the (8) front axle shaft
(step 9) to the (4) lower front gear case.
(11) Attach the (12) king pin to the (4) lower
front gear case.
(12) Attach shims B between the (28) bevel gear
20 and the (29) ball bearing 6306 t o adjust the
backlash of the (19) king pin bevel gear 28/14
and the (28) bevel gear 20 between 0.004-0.012
in. (0.1-0.3 mm).
(13) lnsert the (30) oil seal TC 135 x 160 x 14
to the assembled parts of step 3.
n
(14) lnsert the (4) lower front gear case (step
I U -
12) into the (3) upper gear case (step 131.