Toro 07360 - Page 35

Important:Ifusedwithahydrauliccylinderor
noattachment,theOnpositioncausestheoil
owtogooverareliefvalvewhichcandamage
thehydraulicsystem.Usethispositiononly
momentarilyorwithamotorattached.
Important:Checkhydraulicoillevelafter
installationofattachment.Checkoperationof
attachmentbycyclingattachmentseveraltimes
topurgeairfromsystem,thenrecheckhydraulic
oillevel.Attachmentcylinderwillslightlyaffect
transaxleoillevel.Operationofvehiclewithlowoil
levelcandamagepump,remotehydraulics,power
steeringandvehicletransaxle.
Hydraulicuidescapingunderpressurecan
havesufcientforcetopenetrateskinanddo
seriousdamage.Caremustbeusedwhen
connectingordisconnectinghydraulicquick
couplers.Stopengine,applyparkingbrake,
lowerattachmentandplaceremotehydraulic
valveinoatdetentpositiontorelievehydraulic
pressurebeforeconnectingordisconnecting
quickcouplers.
QuickCouplerOperation
Connection
Important:Cleandirtfromquickcouplers
beforeconnecting.Dirtycouplerscanintroduce
contaminationtohydraulicsystem
Pullbacklockingringoncoupler.
Inserthosenippleintocoupleruntilitsnapsinto
position.
Disconnection
Note:Withboththevehiclesturnedoff,movethelift
leverbackandforthtoremovethesystempressureand
easethedisconnectionofthequickcouplers.
Pullbacklockingringoncoupler.
Pullhosermlyfromcoupler.
Important:Cleanandinstalldustpluganddust
coverstoquickcouplerendswhennotinuse.
Note:Whenattachingremoteequipmenttothequick
couplers,determinewhichsiderequirespressure,then
attachthathosetoquickcoupler”B”whichwillhave
pressurewhenthecontrolleverispushedforwardor
lockedintheONposition.
HydraulicControlTroubleShooting:
•Difcultyinconnectingordisconnectingquick
couplers.
–Pressurenotrelieved(Quickcouplerunder
pressure).
•Powersteeringhard.
–Hydraulicoillevellow.
–Hydraulicoilhot.
–Pumpnotoperating.
•Hydraulicleaks.
–Fittingsloose.
–Fittingmissingo–ring.
•Attachmentdoesnotfunction.
–Quickcouplersnotfullyengaged.
–Quickcouplersareinterchanged.
•Squealingnoise.
–RemotevalveleftinONdetentpositioncausing
hydraulicoiltoowoverreliefvalve.
•Enginewillnotstart.
–Hydraulicleverlockedinforwardposition.
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