user manual

Groundsmaster 4100--D Hydraulic SystemPage 4 -- 95
Removal (Fig. 64)
1. Park machineon alevels urface, lowercutting 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. Topreventcontaminationofhydraulicsystemduring
steering valve removal, thoroughly clean exterior of
steering valve and fittings.
4. Remove steering valve from machine using Figure
64 as a guide.
5. If hydraulic fittings are to be removed from steering
valve,mark fittingorientation toallow correctassembly.
Remove fittings from valve and discard O --rings.
Installation (Fig. 64)
1. Iffittingswereremovedfromsteeringvalve,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. Install steering valve using Figure 64 as a guide.
3. Makesurehydraulictankisfull.Addcorrectoilifnec-
essary before returning machine to service.
Hydraulic
System