Toro Groundsmaster 7210, Service Manual

Page: 131 / 342

Removing the Transmission
WARNING
Before disconnecting or doing any work on the hydraulic system,
release all the pressure in the system; refer to
Releasing Pressure
from the Hydraulic System (page 4–11) .
1. Park the machine on a level surface, lower the cutting deck (or implement),
shut off the engine, set the parking brake, and remove the key from the
key switch.
2. Remove the operator seat and seat base; refer to Removing the Operator
Seat (page 6–35) .
g033419
Figure 59
1. Transmission 4. Locknut
2. Pump control rod 5. Bolt
3. Traction control hub 6. Retaining ring
3. On both sides of the machine, remove the bolt and locknut that secures the
pump control rod to the traction control hub ( Figure 59 ).
Note: The bolt is installed from the outside toward the center of the machine.
4. Disconnect the wire harness electrical connector from the transmission
solenoid valve coil. Position the wire harness away from the transmission.
5. Drain the hydraulic fluid from the hydraulic tank and transmission.
6. Clean the hydraulic hose ends and fittings on the transmission, gear pump,
and hydraulic tank to prevent contaminants from entering into the hydraulic
system.
7. For assembly purposes, label all the hydraulic hoses and fittings. Remove
the hydraulic hoses from the fittings on the transmission, gear pump, and
hydraulic tank. Allow the hoses to drain into a suitable container.
8. Install clean caps or plugs in the hose and fitting openings to prevent system
contamination.
9. Remove the hydraulic tank; refer to Removing the Hydraulic Tank (page
4–63) .
Groundsmaster 7210 Page 4–71 Hydraulic System: Service and Repairs
16222SL Rev C