Service Manual

ManualsBrandsToro ManualsRiding EquipmentToro 74254

63PJ Series

Refer to Figure 10.

Disassembly

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

mark on the auxiliary pump, charge pump (7)

and end cap (2) for alignment at assembly.

2. Use a 10mm 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 (75), 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 auxiliary 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.

REMOVAL, INSPECTION AND/OR

REPLACEMENT OF AUXILIARY

PUMP (IF EQUIPPED)

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

56.

2. Install the poppet, spring and cap (44) as one

assembly into the charge relief port. Tighten to

the correct torque value. See page 56.

3. Install the filter (54) and O-ring onto 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 PJ Pump (input shaft down), so the end

cap is horizontal. Install the O-ring (8) into the

charge pump (7).

5. Install the gasket (75) 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 2, page 56.

Figure 10. Auxiliary Pump

44A