Toro Groundsmaster 7200 Service Manual page 121

Removal (Fig. 99)
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. Thoroughly clean hydraulic hose ends and fittings on
lift control valve to prevent hydraulic system contamina-
tion.
3. Label all hydraulic hoses and fittings for assembly
purposes.
4. Disconnect hydraulic hoses connected to the hy-
draulic fittings on the lift control valve. Allow hoses to
drain into a suitable container. Install clean plugs in hose
openings to prevent system contamination.
5. Remove cotter pin that secures lift lever valve link to
control valve spool (Fig. 100). Slide link from spool.
6. Support the control valve to prevent it from falling
during removal.
7. Remove two (2) cap screws, lock washers and flat
washers that secure lift control valve to machine (Fig.
100). Remove control valve.
8. If necessary, remove hydraulic fittings from lift con-
trol valve. Note orientation of fittings for assembly pur-
poses. Remove and discard O- rings from fittings.
Groundsmaster 7200/7210
Installation (Fig. 99)
1. If hydraulic fittings were removed from lift control
valve, lubricate and install new O- rings to fittings. Install
fittings into valve ports (see Hydraulic Fitting Installation
in the General Information section of this chapter).
Orientate fittings as noted during removal.
2. Position lift control valve to machine frame and se-
cure with two (2) cap screws, lock washers and flat
washers (Fig. 100).
3. Attach lift lever valve link to control valve spool and
secure with cotter pin (Fig. 100).
4. Remove plugs that were installed in hydraulic hoses
during the removal procedure. Attach hydraulic hoses to
fittings on lift control valve using labels placed during re-
moval (see Hydraulic Hose and Tube Installation in the
General Information section of this chapter).
5. Make sure hydraulic tank is full. Add correct oil if nec-
essary.
1
1. Lift control valve
2. Lift lever valve link
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3
2
3
Figure 100
3. Cap screw
Hydraulic System