Cub Cadet 3000 Series - Manual (Page 74)

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Cub Cadet 3000
6. Remove both clamps from the hydro pickup tube
using a 7/16 wrench on the upper hex screw and
a 3/8 wrench on the lower hex screw.
7. Remove the hydro pickup tube and inspect the
tube for any contamination that would restrict the
hydro oil flow. See figure 5.
8. Inspect the “O” ring at each end of the hydro pick-
up tube. If damaged, replace. See figure 5.
9. Inspect the output and input ports where the
hydro pickup tube clamps on. See figure 5.
10. Remove the extension spring from the torque
bracket. See figure 5.
11. Remove all four- 5.5” hex cap screws from the
torque bracket using a 1/2” socket. See figure 6.
12. Remove the torque bracket and all four hex cap
screws from the hydro transmission assembly by
pulling straight up on the torque bracket.
NOTE: The neutral return link comes off with the
torque bracket.
FIGURE 5.
FIGURE 6.
“O”
Ring
Extension
Spring (For
Neutral
Return)
Output
Port
Torque
Bracket
“O”
Ring
Hydro Pickup Tube
Input
Port
Neutral
Return Link
1/2"
Socket
5.5" Hex
Cap Screws
5.5" Hex
Cap Screws
Torque
Bracket FIGURE 8.
FIGURE 7.
Spring
Washer
“O”
Ring
Differential
Lock
Actuator
Drain
Hole
Hydrostatic
Transmission
Drain Hole
Differential
Transmission
13. Remove the hydrostatic transmission from the
differential transmission and inspect the case
drain holes on the hydro and the differential. See
figure 7.
14. Remove the “O” ring from between the hydro and
differential. See figure 8.
15. Remove the spring washer from between the
hydro and the differential. See figure 8.
16. Pull on the differential lock actuator using a fish
scale and see if it locks in with less than 35
pounds of pull. See figure 8.
17. Grasp both hub assemblies. Rotate the hubs in
opposite directions, in the forward direction
together, and in the reverse direction together,
looking for any binding.