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ServicingtheManifold(continued)

5.Lubricatenewvalvesealkitcomponentswithcleanhydraulicuidandinstall

onvalves.TheO-rings,sealingrings,andbackupringsmustbearranged

properlyonthevalvesforproperoperationandsealing.

6.Threadvalvescarefullyintocorrectmanifoldport.Thevalvesshouldgo

ineasilywithoutbinding.Usingadeepsocket,torquevalvestovalues

identiedinFigure107.

InstallingtheCounterbalanceValveManifold

1.CoatnewO-ringslightlywithcleanhydraulicuid.Installallremoved

hydraulicttingswithnewO-ringstothemanifold.

2.Positioncounterbalancevalvemanifoldtomachineframe.Securemanifold

tomachinewith2boltsand2angenuts.

3.Removeallcapsorplugsfromhydraulichosesandttings.

4.Connecthydraulichosestohydraulicttingsonmanifold.

5.Installfueltanktomachine;refertoInstallingtheFuelT ank(page3–11)or

InstallingtheFuelTank(page4–17).

6.Checkhydraulicuidlevelinreservoir(frontaxle)andadjustasnecessary;

refertotheTractionUnitOperator’sManual.

7.Operatethemachinefunctionsslowlyuntilairisoutofsystem;referto

ChargingtheHydraulicSystem(page5–85).

8.Checkcounterbalancevalveadjustment;refertotheTractionUnitOperator’s

Manual.

Groundsmaster

3280-D/3320

Page5–135

HydraulicSystem:ServiceandRepairs

05138SLRevB

Toro 30403 Service Manual

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