Cub Cadet P Series User Manual

Page 103

PR Series

Refer to Figure 9.

Disassembly
1. Prior to removal of the charge pump cover, place

a mark on the cover and end cap for alignment

at assembly.

2. Using a 1/2 inch wrench loosen the charge

pump cover bolts (56) from the end cap (2).

While holding the charge cover in place, remove

the charge cover bolts (56).

3. Remove the charge cover, O-ring (39) and

gerotor items (41). Carefully check for and

remove the charge spring and charge ball

(44).

4. For the Thru Shaft charge pump, remove the

shaft seal.

Inspection
1. Inspect the charge cover O-ring and running

surfaces for damage. Inspect the spring, check

ball (44), and mating seat in the end cap for

damage or foreign material.

Assembly

REMOVAL, INSPECTION AND

ASSEMBLY OF STANDARD OR

THRU SHAFT CHARGE PUMP

Figure 9. PR Pump Standard or Thru Shaft Charge Pump

NOTE: If the end cap (2) is to be re-

moved from the housing, do not as-

semble the charge pump (40) until the

end cap is installed on the housing.

2. Inspect the charge cover bore for damage,

corrosion or wear.

1. Lubricate the new shaft seal with petroleum

jelly.

2. Press the shaft seal into the charge cover. Be

careful not to damage the seal or charge cover

bore.

3. Position the pump with the input shaft down, and

the end cap (25) horizontal. Place the charge

ball (44) in the end cap (25) charge passage

so the ball mates to the end cap (25) charge

ball seat. Place the charge spring, on top of the

charge ball.

4. Insert the outer gerotor over input shaft.

5. Align the outer gerotor to fit over the inner

gerotor.

6. Insert the O-ring (39) into the groove in the

charge cover.

7. Position the charge cover and O-ring (39) with

the aligning mark on the end cap (25). Place the

charge cover and O-ring with aligning mark on

the end cap. Place the charge cover and O-ring

as one piece over the charge spring and gerotor

assembly. Insure the spring fits into the charge

cover spring retaining groove.

8. Align and insert the charge pump cover bolts

(56) into the end cap (25). Tighten to the correct

torque value. See Table 2, page 92. (Torque

Values.)

NOTE: For the Thru Shaft charge pump

follow steps 1-8. For the Standard charge

pump follow steps 3-8.

STANDARD

THRU SHAFT