Removal (Fig. 90)
Park machine on a level surface, lower cutting
decks, stop engine, apply parking brake and remove
key from the ignition switch.
Installation (Fig. 90)
1.
1. If fittings were removed from control valve, lubricate
and place new O--rings onto fittings. Install fittings into
port openings using marks made during the removal
process to properly orientate fittings. Tighten fittings
(see Hydraulic Fitting Installation in the General Infor-
mation section of this chapter).
2.
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
Read the General Precautions for Removing and
2.
Install control valve using Figure 90 as a guide.
3.
To prevent contamination of hydraulic system during
lift/lower control valve removal, thoroughly clean exteri-
or of valve and fittings.
A. Ifvalvebracket(item2)wasremoved,tightencap
screws (item 24) only until the washer (item 23) be-
gins to seat against the isolator (item 3). The isolator
should not be deformed during bracket installation.
4.
Remove lift/lower control valve using Figure 90 as a
guide.
3.
essary before returning machine to service.
Makesurehydraulic tankisfull.Addcorrectoilifnec-
5.
valve, mark fitting orientation to allow correct assembly.
Remove fittings from valve and discard O--rings.
If hydraulic fittings are to be removed from control
Groundsmaster 4000--D
Page 4 -- 129
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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