Toro Greensmaster 3150 Service Manual page 71

Removal (Fig. 17)
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 under tension and
may cause personal injury during removal.
Note: The neutral system assembly can be removed
from the hydrostat without complete disassembly.
2. Disconnect the extension spring (1) and damper (2)
from the spring bracket and the neutral arm (Fig. 18).
3. Remove the cap screw and pivot washer from cam-
plate shaft of hydrostat (Fig. 19).
4. Remove both cap screws securing the cable sup-
port assembly to the hydrostat (Fig. 19).
5. Lift and secure the neutral system assembly up and
away from the hydrostat.
CAUTION
Before continuing further, read and become fa-
miliar with General Precautions for Removing
and Installing Hydraulic System Components.
6. Label all hose connections for reassembly pur-
poses.
7. Clamp pump inlet hose (1) to prevent draining the
hydraulic reservoir (Fig. 17).
8. Separate gear pump from the hydrostat (see Hy-
draulic Gear Pump Removal).
9. Plug suction port at the end of the gear pump to pre-
vent possible leakage of hydraulic fluid (Fig. 20).
10. Pull gear pump (2) and connected hoses assem-
blies (10 and 15) away from the hydrostat (12) and se-
cure (Fig. 17).
11. Remove hose assemblies (19, 20, and 44) and O–
rings (18, 36, and 45) from the hydraulic fittings. Allow
hoses to drain into a suitable container.
Greensmaster 3150
1
5
1. Extension spring
2. Dampener hose
3. Spring bracket
1. Cap screw
2. Pivot washer
3. Pump lever assembly
SUCTION PORT
Page 4 – 47
4
3
2
Figure 18
4. Adapter plate
5. Neutral arm
6
5
Figure 19
4. Hydrostat
5. Cable support assembly
6. Cap screw
Figure 20
Hydraulic System
6
1
2
3
4