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RemovingtheLiftControlValve(continued)

CAUTION

Beforeopeningthehydraulicsystem,operateallthehydraulic

controlstoreleasesystempressureandavoidinjuryfromthe

pressurizedhydraulicuid;refertoReleasingPressurefromthe

HydraulicSystem(page5–6).

WARNING

Ensurethatthecuttingdeckisfullyloweredandsupportedbefore

looseningthehydrauliclines,cartridgevalves,orplugsfromthelift

controlvalve.

Ifthedeckisnotfullyloweredwhentheliftcontrolvalvecomponents

areloosened,thedeckmaydropunexpectedly.

7.Disconnectthehydraulichosesandtubesfromthettingsintheliftcontrol

valve.Allowthelinestodrainintoasuitablecontainer.Removeanddiscard

theO-ringsfromthettings.

8.Installcleancapsorplugsonthehydrauliclinesandttingstoprevent

contamination.

9.Disconnectthewireharnessleadsfromthesolenoidcoilsontheliftcontrol

valve.

10.Removethe2bolts(item6inFigure108),2lockwashers,and2atwashers

thatsecuretheliftcontrolvalvetothemachineframe.

11.Removetheliftcontrolvalvefromthemachine.

g225056

Figure109

1.Manifoldblock5.Flowcontrolorice9.Manifoldblock

2.O-ring(2each)6.O-ring(2each)

10.Adapter

3.O-ring(4each)7.90°hydraulictting

4.90°hydraulictting(2each)8.Straighthydraulictting

Groundsmaster

3280-D/3320

Page5–137

HydraulicSystem:ServiceandRepairs

05138SLRevB

Toro 30403 Service Manual

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