Toro Reelmaster 5510-D - Servicing a Control Manifold Cartridge Valve

ServicingaControlManifoldCartridgeValve
1.Ensurethattheentireoutersurfaceofthemanifoldiscleanbeforeyou
removethecartridgevalve.
WARNING
Beforeopeningthehydraulicsystem,operateallthehydraulic
controlstoreleaseallthepressureinthesystemandavoidinjury
frompressurizedhydraulicuid;refertoReleasingPressurefrom
theHydraulicSystem(page6–8).
2.Ifthesolenoidcartridgevalveisbeingserviced,removethenutthatsecures
thesolenoidcoiltothecartridgevalve.Carefullyslidethesolenoidcoiloff
thevalve.
IMPORTANT
Carefullyhandlethevalvecartridge.Slightbendingordistortionof
thestemtubecancausebindingandmalfunction.Whenremoving
thecartridgevalvefromthecontrolmanifold,ensurethatthedeep
wellsocketfullyengagesthevalvebase.
3.Removethecartridgevalvewithadeepwellsocketwrench.Notethecorrect
locationoftheO-rings,sealingrings,andback-uprings.
4.Removeanddiscardthesealkit.
5.Visuallyexaminetheportinthemanifoldfordamagedsealingsurfaces,
damagedthreads,andcontamination.Also,inspectthecartridgevalvefor
damagedsealingsurfacesandcontamination.
A.Contaminationcancausethevalvestostickorhangup.Contamination
canaccumulateinsmallvalveoricesorsealareasandcause
malfunction.
B.Ifthesealingsurfacesofthevalvearepittedordamaged,thehydraulic
systemcanbetoohotortherecanbewaterinthesystem.
CAUTION
Usetheeyeprotectionsuchasgoggleswhenusingthe
compressedair.
CAUTION
Suddenmovementoftheinternalvalvespoolscanreleasethe
storeduidsuddenly.
6.Useclean-mineralspiritsandcleanthecartridgevalve.Putthevalveinthe
clean-mineralspiritstoushoutcontamination.
HydraulicSystem:ServiceandRepairs
Page6–200
Reelmaster
®
5410/5510/5610Series
15216SLRevC