Cub Cadet P Series User Manual

Page 32

PC Series

Refer to Figure 8.

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 (10) from the end cap (2). While
holding the charge cover (6) in place, remove
the charge cover bolts (10).

3. Remove the charge cover, O-ring (8) and

gerotor items (7). Carefully check for and remove
the charge spring and charge ball (44).

4. For thru shaft charge pump, remove the shaft

seal.

Inspection

1. Inspect the charge cover O-ring (8) and running

surfaces for damage. Inspect the spring, check
ball (44), and mating seat in the end cap (2) for
damage or foreign material.

2. Inspect the charge cover bore for damage

corrosion or wear.

Assembly

1. Lubricate the new shaft seal with petroleum jelly.

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

careful not to damage the shaft seal or charge
cover bore.

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

the end cap (2) horizontal. Place the charge ball
(44) in the end cap (2) charge passage so the
ball mates to the end cap (2) charge ball seat.
Place the charge spring, on top of the charge
ball.

4. Insert the inner gerotor over input shaft (18).

5. Align the outer gerotor to fit over the inner gerotor.

6. Insert the O-ring (8) into the groove in the charge

cover.

7. Position the charge cover and O-ring with the

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

(10) into the end cap (2). Tighten to the correct
torque value. See Table 2, page 22 (Torque
Values).

REMOVAL, INSPECTION AND
ASSEMBLY OF THE STANDARD OR
THRU SHAFT CHARGE PUMP

NOTE: For thru shaft charge pump assembly,
follow steps 1 thru 8. For standard charge pump,
follow steps 3 thru 8.

Figure 8. PC Pump Standard or Thru Shaft Charge Pump

NOTE: If the end cap (2) is to be removed from the
housing, do not assemble the charge pump (6)
until the end cap is installed on the housing.

THRU SHAFT

(2X) 10

STANDARD