Cub Cadet 8454 - Manual (Page 137)

TRANSMISSION SYSTEM
4-33 D569-W02 May-2003
E. MAIN SHIFT FORK
a. To Disassembling
1. Remove main shift cover bolts (16) at 8 places on
the middle case side to loosen main shift cover (1).
2. Loosen fork mounting spring pin (13).
3. Remove fork rod (9) to Disassembling pin (10), steel
ball (8) and spring (7).
4. Remove the caulking on tongue mounting washer
(5) and Disassembling mounting bolts (6).
5. Draw shift rod (3) outside or be separated from shift
arm (4).
b. To Assemble
1. After fixing oil seal (2), (17) on main shift cover (1)
as facing the lip area toward inside, apply grease
on the lip area.
2. Place shift arm (4) inside main shift cover (1) and
fix shift rod (3) with shift arm (4) through oil seal
area.
3. Place tongue mounting washer (5) as aligned with
the hole position of shift arm (4) and shift rod (3) to
fix with mounting bolt (6), while corked surely with
tongue mounting washer (5).
4. Insert spring (7) and steel ball (8) in due order into
main shift cover (1) and fix main shift 3-4 fork (12)
with fork rod (9).
5. Fix main shift fork rod (9) at the neutral position and
insert pin (10).
6. Insert spring (7) and steel ball (8) in due order into
main shift cover (1) and fix main shift 1-2 fork (11)
with fork rod (9).
7. Place shift arm and main shift 1 ~ 2 stage & 3 ~ 4 stage
fork at the neutral position as aligned with the hole
position of fork and fork rod to insert spring pin (13).
8. Replace the gasket (15) with new one and tighten
main shift cover ass’y with M10 x 30 washer mount-
ing bolt (16) on the side assembling area of the
middle case.
(1) Shift Cover (9) Fork Rod
(2) Oil Seal (10) Spring Pin
(3) Shift Rod (11) Fork (1 ~ 2 Stage)
(4) Shift Arm (12) Fork (3 ~ 4 Stage)
(5) Washer (13) Spring Pin
(6) Bolt (14) Straight Pin
(7) Spring (15) Gasket
(8) Ball (16) Bolt
Tightening
torque Tightening bolt
(16) of man shift
cover
Mounting bolt (6)
of shift arm
48.0 ~ 55.9 N·m
4.9 ~ 5.7 kgf·m
35.4 ~ 41.2 lbf·ft
23.5 ~ 27.5 N·m
2.4 ~ 2.8 kgf·m
17.3 ~ 20.3 lbf·ft
569W449A
• Be sure to check if pin (10) to prevent
double gear is fixed.
• Outer diameter of
the fork rod, main
shift 1-2 stage &
3-4 stage
• Inner diameter
of the main shift
1-2 stage fork
• Inner diameter
of the main shift
3-4 stage fork
• Free motion field
of fork mounting
spring
• Outer diameter
of the shift rod
• Inner diameter
of the shift arm
Factory
spec.
• 5.994 ~ 15.976 mm
(0.629 ~ 0.628 in.)
• 16.027 ~ 16.000 mm
(0.631 ~ 0.629 in.)
• 16.027 to 16.000 mm
(0.631 to 0.629 in.)
• 22 mm (0.866 in.)
• 18.000 ~ 17.973 mm
(0.708 ~ 0.707 in.)
• 18.10 ~ 18.05 mm
(0.712 ~ 0.710 in.)
CAUTION