Cub Cadet 8454 - Manual (Page 143)

TRANSMISSION SYSTEM
4-39 D569-W02 May-2003
a . To Disassembling
1. Remove four M8 washer mounting bolts to loosen
bearing cover (23).
2. Remove the caulking on 28 nut (22) to loosen the
nut.
3. Slightly knock the end part of 17 gear shaft (1)
backward (toward the transmission case) to re-
move 17 gear shaft (1).
b. To Assemble
1. Install 6307HL ball bearing (2) on 17 gear shaft (1).
2. Sub-assemble 6206 ball bearing (18), spacer
(17), needle bearing (15) and synchronizer ring
(14) on the inner bore of 26-26 gear (16).
3. Sub-assemble spring (13), synchronizer key (24)
and sliding clutch (12) on synchro hub of the main
shift.
4. Sub-assemble synchronizer ring (14) and inner
rings (6), (7) on 33 gear (10), 38 gear (8) and 42
gear (5).
5. Locate in due order each sub-assembled gear
on the transmission case upside down (as the
engine faces toward the ground).
6. Install thrust collar (9) between 33 gear (10) and
38 gear (8).
7. Insert thrust collar (4) into 17 gear shaft (1) and fix
downward.
8. Tighten washer (19), 6306 ball bearing (20), shim
(21) and 28 nut (22) after placing the transmis-
sion case at the right position.
9. Apply caulking around 28 nut (22) surely not to be
released after checking each gear per stage for
its smooth running while rotated by hand.
10. Located the specified shim (21) in front of 6306
ball bearing (20) and fix bearing cover (23) with O-
ring (25), where greased to insert into the middle
case and tighten with four M8 washer mounting
bolts.
Tightening
torque Tightening bolt of
the bearing cover
28 nut
23.5 ~ 27.4 N·m
2.4 ~ 2.8 kgf·m
17.3 ~ 20.2 lbf·ft
127.5 ~ 176.5 N·m
13 ~ 18 kgf·m
94.0 ~ 130 lbf·ft