Toro Groundmaster Series Service Manual page 157

Removing the Traction (piston) Pump (continued)
Installing the Traction (piston) Pump
Groundsmaster ® 3200, 3300 and 3310
19240SL Rev A
3. Remove the hydraulic tank; refer to
Tank (page 5–64).
4. Remove the traction pump drive belt from the pump pulley and remove the
pump pulley from the pump; refer to
5. Read and adhere to the information provided in
Removing and Installing the Hydraulic System Components (page
6. Clean the hydraulic pump and all hydraulic connections to prevent hydraulic
system contamination.
7. For assembly purposes, label all the hydraulic connections.
8. Disconnect the hoses and tubes from the fittings on the hydraulic pump(s)
and allow the hydraulic lines to drain into a suitable container.
9. Install clean caps or plugs on the openings of pump and disconnected lines
to prevent contamination.
10. Disconnect the traction cable ball joint from the pump lever. Loosen the
traction cable jam nuts and remover the cable from the cable bracket; refer to
Traction Pedal, Cable, and Control Assembly (page
11. Disconnect the wire harness connector from the traction neutral switch.
The total weight of the traction pump and gear pump assembled
is approximately 31 kg (68 lb).
Use a lift or hoist that can support the weight of the pump assembly
before removing the pump mounting bolts.
12. Remove the fasteners securing the pump(s) to the machine and carefully
remove the pump(s) out the right side of the machine.
13. If not previously removed, separate the gear pump from the traction pump;
refer to Removing the Gear Pump (page
14. If necessary, remove the traction control assembly from the traction pump;
refer to Removing and Installing the Traction Control Components (page
7–11).
15. If necessary, remove the hydraulic fittings from the pump. Record the
locations and orientations of the fittings for assembly purposes.
16. Remove and discard all the O-rings from the hydraulic hoses, tubes, and
fittings that were disconnected or removed.
Refer toFigure 51 for this procedure.
1. If previously removed, secure the traction control components to the traction
pump; refer to Removing and Installing the Traction Control Components
(page 7–11).
2. If previously removed, secure the gear pump to the traction pump; refer to
Installing the Gear Pump (page
3. Lubricate new O-rings and place them onto the fittings. If previously removed,
install the fittings into the pump ports; refer to
(SAE Straight Thread O-Ring Fittings) (page
4. Carefully lower the pump assembly into the machine and secure the pump
with the previously removed fasteners.
Removing and installing the Hydraulic
Traction Pump Drive (page
IMPORTANT
5–75).
5–76).
Page 5–71
5–67).
General Precautions for
5–52).
7–11).
Installing the Hydraulic Fittings
5–9).
Hydraulic System: Service and Repairs