Removal (Fig. 88)
1.Park machine on a level surface, lower cutting deck, stop engine, engage parking brake and remove key from the ignition switch.
2.Read the General Precautions for Removing and Installing Hydraulic System Components at the begin- ning of this section.
3.To prevent contamination of hydraulic system during control valve removal, thoroughly clean exterior of con- trol valve and fittings.
4.Remove lift/lower control valve using Figure 88 as a guide.
5.If hydraulic fittings are to be removed from control valve, mark fitting orientation to allow correct assembly. Remove fittings from valve and discard
Installation (Fig. 88)
1.If fittings were removed from control valve, lubricate and place new
2.Install lift/lower control valve using Figure 88 as a guide.
A.If valve bracket (item 2) was removed, tighten cap screw (item 24) only until the washer (item 23) begins to seat against the isolator (item 3). The isolator should not be deformed.
3.After installation, check operation of cutting deck raise and lower switches (see Cutting Deck Raise and Lower Switches in the Adjustment section of Chapter 5
4.Make sure hydraulic tank is full. Add correct oil if nec- essary before returning machine to service.
Hydraulic System
Groundsmaster | Page 4 | Hydraulic System |
