Transmission Removal - Toro Groundsmaster 7200 Service Manual

Transmission Removal (Fig. 35)
WARNING
Before disconnecting or performing any work on
the hydraulic system, all pressure in the system
must be relieved. See Relieving Hydraulic System
Pressure in the General Information section.
1. Park machine on a level surface, lower cutting deck
(or implement), stop engine, engage parking brake and
remove key from the ignition switch.
2. Remove operator seat and seat base (see Operator
Seat Removal in the Service and Repair section of
Chapter 6 – Chassis).
3. On both sides of machine, remove cap screw and
lock nut that secures the pump control rod to the traction
control hub (Fig. 36). Note that cap screw is installed
from the outside toward the center of the machine.
4. Unplug wire harness electrical connector from trans-
mission solenoid valve coil. Position wire harness away
from transmission.
5. Drain oil from hydraulic tank and transmission.
6. Thoroughly clean hydraulic hose ends and fittings on
transmission, gear pump and hydraulic tank to prevent
hydraulic system contamination.
4
RIGHT
FRONT
1. LH wheel motor
2. Hydraulic tank
3. Gear pump
Groundsmaster 7200/7210
5
6
3
Figure 37
4. RH wheel motor
5. 8mm threaded boss
Page 4 – 53
FRONT
3
4
Figure 36
1. Transmission
2. Pump control rod
3. Traction control hub
7. Label all hydraulic hoses and fittings for assembly
purposes. Remove hydraulic hoses from fittings on
transmission, gear pump and hydraulic tank. Allow
hoses to drain into a suitable container.
8. Install clean plugs in hose and fitting openings to pre-
vent system contamination.
9. Remove hydraulic tank (see Hydraulic Tank Remov-
al in this section).
7
5
2
6. Transmission
7. Flywheel housing
1
5
6
2
4. Lock nut
5. Cap screw
6. Retaining ring
1
Hydraulic System