Cub Cadet P Series User Manual

Page 33

PC Series

Refer to Figure 9.

Disassembly

1. Prior to removal of the auxiliary pump, place a

mark on the auxiliary pump (6), charge pump
(7) and end cap (2) for alignment at assembly.

2. Use a 10 mm wrench to loosen the auxiliary

pump bolts (10) from the end cap (2). While
holding the auxiliary pump in place, remove the
bolts (10).

3. Remove the auxiliary pump, gasket, O-ring (8)

and charge pump (7). While removing the
charge pump, be sure to retain the spring and
ball (44A) housed in the end cap (2).

4. Remove the plug (66) from the filter cover (67).

5. Use a 7/8 inch wrench to remove the filter cover

assembly (67) from the pump.

6. Remove the O-ring and filter (54).

7. Remove the charge relief valve assembly (44)

and auxiliary relief valve assembly (45) from the
auxiliary pump.

Inspection

1. With the auxiliary pump removed, inspect the

pump running surfaces for wear or damage.

2. Inspect all O-rings, gasket and mounting seats.

3. Inspect the filter cover assembly threads and

filter for wear, damage or foreign material.

Assembly

1. Install the check ball, spring, and cap as one

assembly (45) into the auxiliary relief valve port.
Tighten to the correct torque value. See page
22.

2. Install the poppet, spring and cap as one

assembly (44) into the charge relief port.
Tighten to the correct torque value. See page
22.

3. Install the filter (54) and O-ring into the filter

cover assembly (67). Install the assembly (67)
into the auxiliary pump and tighten. Install plug
(66) into the filter cover (67).

4. Lay the PC pump (input shaft down), so the

end cap is horizontal. Install the O-ring (8) into
the charge pump (7).

5. Install the gasket onto the auxiliary pump.

6. Make sure that the ball and spring (44A) are

seated in the end cap (2), then position the
auxiliary pump and gasket with the aligning mark
on the charge pump (7). Insure that the pump
fully engages the alignment pins (69).

7. Align and insert the bolts (10) into the auxiliary

pump. While holding the auxiliary pump and
charge pump in place, tighten the bolts (10)
per table, page 22.

REMOVAL, INSPECTION AND/OR
REPLACEMENT OF AUXILIARY
PUMP (IF EQUIPPED)

Figure 9. PC Series Auxiliary Pump

(2X) 10

164

(2X) 69

44A