Toro Groundsmaster 360 - Page 193

ServicingtheCartridgeValvesinaControlManifold(continued)
7.Usecleanmineralspiritstocleanthecartridgevalve.Putthevalveinclean
mineralspiritstoushoutcontamination.
IMPORTANT
Particlesasneastalcumpowdercanaffecttheoperationof
high-pressurehydraulicvalves.
Ifthecartridgedesignallows,useawoodorplasticprobeto
presstheinternalspoolinandoutfor20to30timestoushout
contamination.
Ensurethatyoudonotdamagethecartridge.Usecompressedair
forcleaning.
8.Installthecartridgevalveintothecontrolmanifoldasfollows:
A.Lubricatethenewsealkitcomponentswithcleanhydraulicuidand
installthecomponentsontothevalve.
B.InstalltheO-rings,sealingrings,andback-upringscorrectlyonthe
cartridgevalveforproperoperationandsealing.
C.Puttheassembledcartridgeintothecleanhydraulicuid.
IMPORTANT
Carefullyhandlethecartridgevalve.Slightbendingordistortion
ofthestemtubecancausebindingandmalfunction.When
installingthecartridgevalveintothecontrolmanifold,ensure
thatthedeepwellsocketfullyengagesthevalvebase.
D.Turnthecartridgevalvecarefullyintothecontrolmanifoldportuntilit
contactsthetopoftheO-ring.Thevalveshouldgointotheporteasily
withoutbinding.
E.Useadeepsocketwrenchandtorquethecartridgevalvetotorque
specicationincludedinthecontrolmanifoldillustrationfoundinthis
section.
9.Ifthecartridgevalveissolenoidoperated,carefullyinstallthesolenoidcoil
intothecartridgevalveandsecurethecoiltothevalvewiththenut;torque
thenutto6.7N∙m(60in-lb).
10.Ifcircuitproblemsstillexistafterassembly,removethecartridgevalveand
cleanthevalveagainorreplacethecartridgevalve.
Groundsmaster360
Page4–135
HydraulicSystem:ServiceandRepairs
16225SLRevC