Removal (Fig. 103)
4. Remove plugs that were installed in hydraulic hoses
during the removal procedure. Attach hydraulic hoses to
fittings on control valve using labels placed during re-
moval (see Hydraulic Hose and Tube Installation in the
General Information section of this chapter).
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.
5. Make sure hydraulic tank is full. Add correct oil if nec-
essary.
3
1.
Park machine on a level surface, lower implement,
stop engine, engage parking brake and remove key
from the ignition switch.
1
2.
control valve to prevent hydraulic system contamina-
tion.
Thoroughly clean hydraulic hose ends and fittings on
2
3.
Label all hydraulic hoses and fittings for assembly
purposes.
4.
Disconnect hydraulic hoses connected to the hy-
draulic fittings on the control valve. Allow hoses to drain
into a suitable container. Install clean plugs in hose
openings to prevent system contamination.
Figure 104
1.
2.
Control valve
Hair pin
3.
Lever valve link
5.
Remove hair pins that secure lever valve links to con-
trol valve spools (Fig. 104). Slide links from spools.
6.
Support the control valve to prevent it from falling
during removal.
7.
Remove two (2) carriage screws and flange nuts that
secure control valve to machine. Remove control valve
from machine.
8.
If necessary, remove hydraulic fittings from control
valve. Note orientation of fittings for assembly purposes.
Remove and discard O–rings from fittings.
Installation (Fig. 103)
1.
If hydraulic fittings were removed from control valve,
lubricate and install new O–rings to fittings. Install fit-
tings into valve ports (see Hydraulic Fitting Installation
in the General Information section of this chapter).
Orientate fittings as noted during removal.
2.
with two (2) carriage screws and flange nuts.
Position control valve to machine frame and secure
3.
Attach lift lever valve links to control valve spools and
secure with hair pins (Fig. 104).
Groundsmaster 7200/7210
Page 4 – 89
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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My mower is a TORO 7210.
Start fuse defection. Why ?