User guide

14 - 3
Cub Cadet 3000
18. Remove the center hub lock nuts on the hub
assemblies using a 1 and 5/16” socket. See
figure 9.
NOTE: The torque on the center hub nut is 180-
250 ft-lbs.
19. Remove the brake mounting bracket from the
differential assembly by rotating the brake disk
until the access holes are directly above the hex
washer screws. Using a 1/2” socket and
extension, remove all three hex washer screws
from each side of the differential assembly. See
figure 9.
20. Remove the hex cap screw and belleville washer
from the differential lock actuator arm using a
7/16 socket. See figure 9.
21. Remove the differential actuator arm and all three
flat washers from the differential.
22. Turn the differential over.
23. Remove all the hex washer tapp screws from the
rear cover assembly using a 3/8 socket. See
figure 10.
NOTE: There is a difference in the hardware
lengths. The six bolts that pass through the
transmission cover blocks are 1.25" long. The
remaining hardware is 1” long.
24. Remove and discard the cover assembly gasket.
25. Inspect all the gears in the differential for uneven
wear or damaged teeth. See figure 10.
26. Remove the hex washer tapp screws from the
transmission plate using a 3/8 socket.
FIGURE 9.
7/16” Hex Cap Screw, Belleville Washer
Differential Lock Actuator
Brake Mtg.
Bracket
1-5/16”
Lock Nut
Brake
Disc
Access
Hole
FIGURE 10.
Hex Washer Tap Screw
Transmission
Plate
Gasket
1” Long
Hex
Screws
1-1/4” Long
Hex Screws
Rear Cover
Assembly
Transmission
Cover Blocks
FIGURE 11.
Transmission
Plate Gasket
27. Remove the transmission plate.
28. Remove and discard the second transmission
plate gasket. See figure 11.
29. Remove the complete differential assembly.
NOTE: The differential lock actuator shaft will
come out with the differential assembly.
30. Inspect the outer and inner bearing block assem-
blies for any damage. See figure 12.
31. Inspect the actuator shaft and make certain it is
not bent.
NOTE: Not all models are equipped with the dif-
ferential lock out feature. See figure 12.