Toro Groundsmaster 4300-D - Cutting Unit Assembly; Mounting Cutting Units to Traction Unit; Servicing Front Roller

HydraulicHoses
Thehydraulichosesaresubjecttoextremeconditionssuchaspressure
differentialsduringoperationandexposuretoweather,sun,chemicals,very
warmstorageconditions,inadditiontomishandlingduringoperationand
maintenance.Theseconditionscancausedamagetothehoseordeterioration
tothehosematerial.Somehosesaremoresusceptibletotheseconditionsthan
others.Examineallofthehydraulichosesofthemachinefrequentlyforthe
followingsignsofdeteriorationordamage:
•Ahosethatishard,cracked,cut,abraded,charred,leaking,orotherwise
damaged.
•Ahosethatiskinked,crushed,attened,ortwisted.
•Ahosecoverthatisblistered,soft,degraded,orloose.
•Hosettingsthatarecracked,damaged,orbadlycorroded.
Whenyoureplaceahydraulichose,ensurethatthehoseisstraight(nottwisted)
beforeyoutightenthettings.Observetheimprint(layline)onthehosetodo
this.Using2wrenches,holdthehosestraightwith1wrenchandtightenthehose
swivelnutontothettingwiththeotherwrench;refertoInstallingtheHydraulic
HoseandTube(O-RingFaceSealFitting)(page4–9).
Note:Ifthehosehasanelbowat1end,tightentheswivelnutontheelbowend
beforeyoutightenthenutonthestraightendofthehose.
Formorehydraulichoseinformation;refertoHydraulicHoseServicingofthe
ToroBasicsSeriesTrainingBooks(PartNo.94813SL)foundontheService
ReferenceSetavailablefromyourAuthorizedToroDistributor.
WARNING
Releaseallpressureinthehydraulicsystembeforeperformingany
workonthesystem;refertoReleasingPressurefromtheHydraulic
System(page4–6).
•Keepyourbodyandhandsawayfrompin-holeleaksornozzles
thatejecthydraulicuidunderhighpressure.
•Donotuseyourhandstosearchforleaks;useapieceofpaper
orcardboard.
•Hydraulicuidescapingunderpressurecanhavesufcientforce
topenetratetheskinandcauseseriousinjury.
•Ifhydraulicuidisinjectedintoyourskin,theuiddamageto
yourbodymustbesurgicallyremovedwithinafewhoursbya
doctorfamiliarwiththisformofinjuryorgangrenemayresult.
HydraulicSystem:GeneralInformation
Page4–8
Groundsmaster
®
4300-D
16226SLRevC