Toro Groundsmaster 4000 - Hydraulic System Maintenance; Hydraulic System Safety; Servicing Hydraulic System

fromthebelttoreleasethebelttension(Figure
101).
Note:Loosenthenutenoughtoallowtheidler
armtopassthestopbolt.
Note:Ifthestopboltiseverremovedfromthe
mountingtab,makesurethatitisinstalledagain
intheholethatalignsthestop-boltheadwith
theidlerarm.
4.Removetheboltssecuringthehydraulicmotor
tothemowerdeck(Figure102).
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Figure102
1.Hydraulicmotor2.Mountingbolts
5.Liftthemotoroffthemowerdeckandlayiton
topofthemowerdeck.
6.Removetheoldbeltfromaroundthespindle
pulleysandidlerpulley.
7.Routethenewbeltaroundthespindlepulleys
andidler-pulleyassembly.
8.Positionthehydraulicmotoronthemowerdeck
afterroutingthebeltaroundthepulleys.Mount
themotortothemowerdeckwiththebolts
previouslyremoved.
Note:Ensurethatthebeltispositionedonthe
springsideofthebeltguide(Figure101).
9.Connecttheextensionspring(Figure101)tothe
eyeboltandtensionthebeltasfollows:
•Whenproperlytensioned,theinside
measurementoftheextensionspring(hook
tohook)shouldbeapproximately8.27to
9.53cm(3.25to3.75inches).
•Whenyouattainthecorrectspringtension,
adjustthestopbolt(carriagebolt)untilthere
isapproximately0.17to0.47cm(0.065to
0.185inches)clearancebetweenthehead
oftheboltandtheidlerarm.
HydraulicSystem
Maintenance
HydraulicSystemSafety
•Ensurethatallhydraulic-uidhosesand
linesareingoodconditionandallhydraulic
connectionsandttingsaretightbefore
applyingpressuretothehydraulicsystem.
•Keepyourbodyandhandsawayfrompinhole
leaksornozzlesthatejecthigh-pressure
hydraulicuid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
•Seekimmediatemedicalattentionifuid
isinjectedintoskin.Injecteduidmustbe
surgicallyremovedwithinafewhoursbya
doctor.
ServicingtheHydraulic
System
CheckingtheHydraulicFluid
ServiceInterval:Beforeeachuseordaily
Thereservoirislledatthefactorywithapproximately
29L(7.75USgallons)ofhigh-qualityhydraulicuid.
Checkthelevelofthehydraulicuidbeforetheengine
isrststartedanddailythereafter.Therecommended
replacementuidisasfollows:
ToroPremiumAllSeasonHydraulicFluid
(Availablein19L(5USgallons)pailsor208L(55US
gallons)drums.SeethePartsCatalogoryourT oro
Distributorforpartnumbers).
Alternativeuids:IftheT orouidisnotavailable,
otherconventional,petroleum-baseduidsmaybe
used,providedtheymeetallofthefollowingmaterial
propertiesandindustryspecications.Checkwith
youroilsuppliertoseewhethertheoilmeetsthese
specications.
Note:T orodoesnotassumeresponsibilityfor
damagecausedbyimpropersubstitutions,souse
onlyproductsfromreputablemanufacturerswhowill
standbehindtheirrecommendation.
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