Toro 3200, Service Manual

Page: 163 / 274

Removal (Fig. 70)
1. Before removing any parts from the hydraulic sys-
tem, park the machine on a level surface, engage the
parking brake, lower the cutting units, and stop the en-
gine.
13. Remove hose assemblies (30, 31, and 32) and O–
rings (29 and36) from the steering control valve (23).
Remove hydraulic fittings (17) and O–rings (29) from the
control valve. Plug ports to prevent contamination.
14. Remove both cap screws (18) and steering column
assembly (15) from the steering control valve (23).
CAUTION
Operate all hydraulic controls to relieve sys-
tem pressure and avoid injury from pressur-
ized hydraulic oil. Controls must be oper-
ated with the ignition switch in RUN and the
when pressure has been relieved. Remove
key from the ignition switch.
engine OFF. Return ignition switch to OFF
2. Remove screws (28) and steering wheel cap (27)
from the steering wheel (5).
3. Remove steering wheel nut (6) from the steering
column assembly (15).
4. Remove screws (13) from the speed nuts (25) and
steering valve cover (16). Remove cover from the steer-
ing cover assembly (14).
5. Clean steering control valve, hydraulic fittings, hose
connections, and hydraulic manifold block.
6. Cut and remove cable tie (37) from the hose assem-
blies. Label all hydraulic connections for reassembly.
7. Disconnect hose assemblies (33 and 34) and re-
move O–rings (35) from hydraulic fittings (17). Allow
hoses to drain into a suitable container.
8. Disconnect hose assembly (30) and remove O–ring
from 45
_
hydraulic fitting on hydraulic manifold port P2
(Fig. 71). Allow hose to drain into a suitable container.
9. Disconnect hose assembly (31) and remove O–ring
from T–fitting on the end of the gear pump P2 (Fig. 72).
Allow hose to drain into a suitable container.
10. Disconnect hose assembly (32) and remove O–ring
from the rear hydraulic fitting on the steering cylinder
(Fig. 73). Allow hose to drain into a suitable container.
11. Put caps or plugs on disconnected hoses, fittings,
and open ports to prevent contamination.
12. Remove screws (7) from the steering cover assem-
bly (14) and steering control valve (23). Pull control
valve and attached hose assemblies free of the ma-
chine.
PORT P2
Figure 71
TO STEERING
CONTROL VALVE
Figure 72
REAR FITTING
AND O–RING
Figure 73
Hydraulic
System
Greensmaster 3200/3200–D Page 5 – 91 Hydraulic System