Removal (Fig. 73)
Park machine on a level surface, lower cutting deck,
1.
1
stop engine, engage parking brake and remove key
from the ignition switch.
3
2.
Read the General Precautions for Removing and
Installing Hydraulic System Components at the begin-
ning of this section.
3.
steering control valve removal, thoroughly clean exteri-
or of control valve and fittings.
To prevent contamination of hydraulic system during
2
NOTE: To ease installation, label the hydraulic lines to
4
show their correct position on the steering control valve.
4.
5.
Remove hydraulic lines from steering control valve.
Remove steering control valve from machine using
5
Figure 74
Figure 73 as a guide.
1.
2.
3.
Steering control valve
4.
5.
O--ring
Straight fitting (4 used)
6.
If hydraulic fittings are to be removed from steering
O--ring
90o hydraulic fitting
control valve, mark fitting orientation to allow correct as-
sembly (Fig. 74). Remove fittings from control valve and
discard O--rings.
Installation (Fig. 73)
1.
If fittings were removed from steering control valve,
lubricate and place new O--rings onto fittings. Install fit-
tingsintoportopeningsusingmarksmadeduringthere-
moval process to properly orientate fittings (Fig. 74).
Tighten fittings (see Hydraulic Fitting Installation in the
General Information section of this chapter).
2.
Install steering control valve using Figure 73 as a
guide.
3.
Using labels placed during steering control valve re-
moval, properly install hydraulic lines to control valve
(see Hydraulic Hose and Tube Installation in the Gener-
al Information section of this chapter).
4.
essary before returning machine to service.
Makesurehydraulic tankisfull.Addcorrectoilifnec-
Groundsmaster 4100--D/4110--D
Page 4 -- 109
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Document Type | Service Manual |
| Language | English |
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