Removal (Fig. 82)
Park machine on a level surface, lower cutting
GROUNDSMASTER 4000--D
1.
1
decks, stop engine, apply 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 the Service and Repairs section of this chapter.
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 83
Figure 82 as a guide.
1.
2.
3.
Steering control valve
4.
5.
O--ring
6.
If hydraulic fittings are to be removed from steering
O--ring
Straight fitting (4 used)
90o hydraulic fitting
control valve, mark fitting orientation to allow correct as-
sembly.Remove fittings from valve and discard O--rings
(Fig. 83 or 84).
GROUNDSMASTER 4010--D
1
Installation (Fig. 82)
1.
If fittings were removed from steering control valve,
2
3
4
lubricate and place new O--rings onto fittings. Install fit-
tingsintoportopeningsusingmarksmadeduringthere-
moval process to properly orientate fittings (Fig. 83 or
84).
Tighten fittings (see Hydraulic Fitting Installation in
the General Information section of this chapter).
2.
Install steering control valve using Figure 82 as a
guide.
5
4
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).
2
6
4.
5.
Make sure hydraulic tank is full.
Figure 84
Properly fill hydraulic system (see Charge Hydraulic
1.
2.
3.
Steering control valve
4.
5.
6.
O--ring
Straight fitting (3 used)
45o hydraulic fitting
O--ring
System in this section).
90o hydraulic fitting
Groundsmaster 4000--D/4010--D
Page 4 -- 111
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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