Gear Pump (P2) - Toro Groundmaster Series Service Manual

Gear Pump (P2)

Removing the Gear Pump
Groundsmaster ® 3200, 3300 and 3310
19240SL Rev A
g302898
1. O-ring
2. Gear pump
3. Washer (2 each)
4. Cap screw (2 each)
Note: The gear pump (P2) can be removed separately or with the traction
(piston) pump; refer to
Refer to Figure 53 for this procedure.
1. Park the machine on a level surface, lower the cutting unit (or attachment),
set the key switch to the O
2. Empty the hydraulic tank through the drain plug at the bottom of the tank.
Use a new O-ring and install the plug when finished to prevent contamination
from entering the hydraulic system. Tighten the drain plug from 18 to 19
N·m (155 to 171 in-lb).
3. Read and adhere to the information provided in
Removing and Installing the Hydraulic System Components (page
4. Clean the hydraulic pump and all hydraulic connections to prevent hydraulic
system contamination.
5. For assembly purposes, label all the hydraulic connections.
6. Disconnect the hoses and tubes from the fittings on the hydraulic pump and
allow the hydraulic lines to drain into a suitable container.
7. Install clean caps or plugs on the openings of pump and disconnected lines
to prevent contamination.
8. Remove the fasteners securing the gear pump to the traction (piston) pump
and separate the gear pump from the traction pump. Locate and discard the
O-ring between the pumps.
Figure 53
5. Straight fitting
6. Barb fitting – suction
7. Hose clamp
Removing the Traction (piston) Pump (page
position and remove the key from the key switch.
FF
Page 5–75
5–70).
General Precautions for
5–52).
Hydraulic System: Service and Repairs