Cub Cadet 3000 Series - Manual (Page 73)

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Cub Cadet 3000
1. Inspect the pump adapter to be certain that it is
turning the hydraulic input shaft. See figure 1.
2. Inspect the center hex jam nut and flat washer on
the pump adapter to be certain that it is not loose.
See figure 1.
3. Inspect the connection between the hydro arm
and the trunnion arm behind the neutral return
link. See figure 2.
NOTE: Make sure the flat washer and hex screw
are tight on the hydro arm. Also, check the set
screw on the hydro arm to be certain it is tight.
Transmission Inspection and Disassembly
FIGURE 2.
FIGURE 1. FIGURE 3.
FIGURE 4.
Hydro
Arm
Hydro Neutral
Return Plate
Set
Screw
Trunnion
Arm
Pump
Adapter
Jam Nut
Flat Washer
Hydro Bypass
Spring Plate
Bypass Valve
(Behind Plate)
Oil Filter
Filter
Nipple
4. Inspect the clearance between the hydro bypass
spring plate and the bypass valve on the hydro
pump. See figure 3.
NOTE: There should be free play in between the
plate and the bypass valve.
5. Remove the hydro oil filter from the transmission
and check for contamination in the filter, filter
nipple, and the inlet cavity. See figure 4.
Input Shaft
Inlet Cavity