Toro Workman HD 07369 - Connecting and Disconnecting Couplers; Troubleshooting the Hydraulic Control; Common Hydraulic Issues

thehydraulicsystem.Usethispositiononly
momentarilyorwithamotorattached.
Important:Checkhydraulicoillevelafter
installationofanattachment.Checkthe
operationoftheattachmentbycyclingthe
attachmentseveraltimestopurgeairfrom
system,thenrecheckhydraulicoillevel.The
attachmentcylinderwillslightlyaffecttransaxle
oillevel.Operationofvehiclewithlowoillevel
candamagethepump,remotehydraulics,
powersteering,andthevehicletransaxle.
Hydraulicuidescapingunderpressurecan
havesufcientforcetopenetrateskinanddo
seriousdamage.Caremustbeusedwhen
connectingordisconnectinghydraulicquick
couplers.Stoptheengine,applytheparking
brake,lowertheattachment,andplacethe
remotehydraulicvalveintheoatdetent
positiontorelievehydraulicpressurebefore
connectingordisconnectingquickcouplers.
ConnectingtheQuickCouplers
Important:Cleandirtfromquickcouplers
beforeconnecting.Dirtycouplerscanintroduce
contaminationintothehydraulicsystem
1.Pullbackthelockingringonthecoupler.
2.Insertthehosenippleintothecoupleruntilitsnaps
intoposition.
Note:Whenattachingremoteequipmenttothequick
couplers,determinewhichsiderequirespressure,then
attachthathosetoquickcouplerBwhichwillhave
pressurewhenthecontrolleverispushedforwardor
lockedintheOnposition.
DisconnectingtheQuickCouplers
Note:Withboththevehicleandattachmentturned
off,movetheliftleverbackandforthtoremovethe
systempressureandeasethedisconnectionofthequick
couplers.
1.Pullbackthelockingringonthecoupler.
2.Pullthehosermlyfromthecoupler.
Important:Cleanandinstallthedustplugand
dustcoverstothequickcouplerendswhennot
inuse.
TroubleshootingtheHydraulicControl
•Difcultyinconnectingordisconnectingquick
couplers.
Pressurenotrelieved(Quickcouplerunder
pressure).
•Powersteeringhard
–Hydraulicoillevellow
–Hydraulicoilhot
–Pumpnotoperating
–Beltloose
•Hydraulicleaks
–Fittingsloose
–FittingmissingO-ring
•Attachmentdoesnotfunction
–Quickcouplersnotfullyengaged
–Quickcouplersareinterchanged
•Squealingnoise
–RemotevalveleftintheOndetentposition
causinghydraulicoiltoowoverthereliefvalve
–Beltloose
•Theenginewillnotstart.
Hydraulicleverlockedinforwardposition
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