Toro Greensmaster 3200 Service Manual page 115

Removal (Fig. 16)
1. Before removing any parts from the hydraulic sys-
tem, park machine on a level surface, engage parking
brake, lower cutting units, and stop engine.
CAUTION
Use caution when removing the lock nut
from the pin. The extension spring is un-
der tension and may cause personal inju-
ry during removal.
Note: The neutral system assembly can be remove
from the hydrostat without complete disassembly.
2. Remove lock nut securing the pin and extension
spring to the spring bracket. Do not unscrew jam nut
from the pin. Release pin from the bracket (Fig. 17).
3. Disconnect extension spring from the neutral arm.
Remove cap screw and pivot washer from camplate
shaft of hydrostat (Fig. 18).
4. Remove both cap screws securing the cable sup-
port of the neutral system assembly to the hydrostat. Lift
and secure neutral system assembly away from the hy-
drostat (Fig. 19).
5. Clean gear pump, hydrostat, hydraulic fittings, and
hose assembly connection. Label all hose connections
for reassembly purposes.
CAUTION
Operate all hydraulic controls to relieve sys-
tem pressure and avoid injury from pressur-
ized hydraulic oil. Controls must be oper-
ated with the ignition switch in RUN and the
engine OFF. Return ignition switch to OFF
when pressure has been relieved. Remove
key from the ignition switch.
6. Clamp pump inlet hose (24) to prevent draining the
hydraulic reservoir.
7. Remove both socket head screws (20) and flat
washers (19) from the gear pump (28) flange and hy-
drostat (16).
8. Separate gear pump (28) from the hydrostat (16).
9. Plug suction port at the end of the gear pump to pre -
vent possible leakage of hydraulic fluid (Fig. 20).
10. Remove O–ring (2) from either the gear pump (28)
or hydrostat (16).
Greensmaster 3200/3200–D
5
2
3
1. Lock nut
2. Pin
3. Extension spring
6
1. Extension spring
2. Neutral arm
3. Cap screw
1
2
1. Cap screw
2. Cable support
Page 5 – 43
1
4
6
Figure 17
4. Spring bracket
5. Jam nut
6. Pump plate
3
4
5
Figure 18
4. Pivot washer
5. Hydrostat
6. Cable support
1
3
Figure 19
3. Hydrostat
Hydraulic System
1
2