Removal (Fig. 28)
Installation (Fig. 28)
Make sure mounting and O--ring sealing surfaces
1.
CAUTION
on the gear pump and hydrostat are clean.
2.
Replace all O--rings with new ones. Apply clean hy-
draulic oil to all O--rings.
Before continuing further, read and become fa-
miliar with General Precautions for Removing
and Installing Hydraulic System Components.
3.
Place O--ring on the gear pump.
4.
pump inlet is facing up.
Position gear pump to the hydrostat so that the
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.
5. Secure gear pump to the hydrostat with both hex
socket head screws and flat washers. Torque screws
from 27 to 31 ft--lb (37 to 42 N--m).
2.
draulic tank.
Clamp pump inlet hose to prevent draining the hy-
6.
tings and hydraulic hose connectors. Replace any dam-
aged or worn fittings or connectors.
Inspectthreadsandsealingsurfacesofhydraulicfit-
3.
poses.
Label all hose connections for reassembly pur-
4.
from the gear pump. Allow hydraulic oil to drain from
hose into a suitable container.
Loosen hose clamp, and remove pump inlet hose
7. Install O--rings into gear pump. Install fittings and
tighten to positions noted during removal.
8.
Secure pump inlet hose and hose clamp to the gear
5.
Remove hydraulic hoses and O--rings from hydrau-
pump. Tighten hose clamp.
lic fittings. Allow hydraulic oil to drain from hoses into a
suitable container.
9. Remove clamp from pump inlet hose to allow hy-
draulic oil flow to the gear pump.
IMPORTANT: Note position hydraulic fittings for
reassembly purposes.
6.
Remove hydraulic fittings and O--rings from the
gear pump.
7.
Support gear pump. Separate gear pump from the
hydrostatbyremovingbothhexsocketheadscrewsand
flat washers. Remove O--ring from between the gear
pump and hydrostat.
Greensmaster 3250--D
Page 4 -- 57
Hydraulic System (Rev. I)
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Tags | Toro Greensmaster 3250 D |
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| Document Type | Service Manual |
| Language | English |
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