Service Manual

Greensmaster 3250--D
Hydraulic System (Rev. I)
Page 4 -- 61
Removal (Fig. 30)
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
Usecautionwhenremovingthelocknutfromthe
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. Remove extension spring from the spring bracket
(Fig. 31).
3. Disconnect extension spring from the neutral arm.
Remove cap screw and pivot washer from camplate
shaft of hydrostat (Fig. 32).
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. 33).
CAUTION
Before continuing further, read and become fa-
miliar with General Precautions for Removing
and Installing Hydraulic System Components.
5. Label all hose connections for reassembly pur-
poses.
6. Clamp pump inlet hose (24) to prevent draining the
hydraulic reservoir.
7. Separate gear pump from the hydrostat (see Hy-
draulic Gear Pump Removal).
8. Plug suction port at the end of the gear pump to pre-
vent possible leakage of hydraulic fluid ( Fig. 34).
1. Lock nut
2. Cap screw
3. Extension spring
4. Dampener hose
5. Jam nut
6. Spring bracket
Figure 31
3
2
4
1
5
6
1. Extension spring
2. Neutral arm
3. Cap screw
4. Pivot washer
5. Hydrostat
6. Cable support
Figure 32
2
5
3
1
6
4
1. Cap screw
2. Cable support
3. Hydrostat
Figure 33
1
2
1
3
Hydraulic
System