Toro LT-F3000 - Troubleshooting: Hydraulic System Issues; Troubleshooting: Rotor and Cutting Unit Operation

Problem
PossibleCauseCorrectiveAction
1.Apumpismalfunctioning.1.Identifythenoisypumpandserviceor
replaceit.
2.Amotorismalfunctioning.2.Identifythenoisymotorandserviceor
replaceit.
3.Airisleakingintothesystem.
3.Tightenorreplacethehydraulicttings,
particularlyinthesuctionlines.
4.Asuctionstrainerisblockedor
damaged.
4.Cleanandreplacethesuctionstrainer
orrenewitasnecessary.
5.Theuidhasexcessiveviscositydue
tocoldconditions.
5.Allowthesystemtowarmup.
6.Thereliefvalvesettingislow.6.Havethereliefvalvepressurechecked.
Consultyourauthorizeddistributor.
Thereisexcessivenoiseinthehydraulic
system.
7.Thehydraulicuidlevelislow.7.Fillthehydraulicuidreservoirtothe
correctlevel.
1.Apumpormotorisworn.1.Replacepartsasnecessary.
2.Thehydraulicuidlevelislow.2.Fillhydraulicuidtanktothecorrect
level
3.Theuidinthehydraulicsystemhas
thewrongviscosity.
3.Replacetheuidinthehydraulictank
withthecorrectviscosity-gradeuid;
refertotheSpecicationssection.
4.Theuid-lterelementisblocked.4.Changethelterelement.
5.Thepressurereliefvalveis
malfunctioning.
5.Havethereliefvalvecleanedand
pressurechecked.Consultyour
authorizeddistributor.
6.Thesystemisoverheating.
6.Checkthereel-to-bedknifeadjustment.
Reducetheworkrate(increasethe
heightofcutorreducetheforward
speed).
Afteraninitialperiodofsatisfactory
operation,themachinelosespower.
7.Thereareleaksonthesuctionhose.
7.Checkandtightenthettings.Replace
thehoseifnecessary.
1.Thebladesareloose,worn,missing,
ordamaged.Oppositebladesneedto
bethesameweight.
1.Sharpenorreplacetheblades.
Therotorsvibrateexcessively.
2.Therotorbearingsareworn.2.Replacethebearingsasnecessary.
1.Arotorbearingisseized.1.Replacethebearingsasnecessary.
2.Amotorwithincorrectrotationwas
installed.
2.Checkthemotorandreplaceitif
necessary.
3.Themotorintegralreliefvalvesare
jammedopen.
3.Havethereliefvalvescleanedand
checked.
1rotorrotatesslowly.
4.Themotorisworn.4.Replacethemotor.
1.Thereisaliftcylindersealfailure.
1.Replacetheseals.
2.Thepressurereliefvalveisjammed
openorwronglyset.
2.Havethereliefvalvepressurechecked.
Consultyourauthorizeddistributor.
3.Thereisamalfunctioningcontrolvalve.3.Overhaulthecontrolvalve.
Acuttingunitfailstoliftoutofwork.
4.Thereismechanicalblockage.4.Removetheblockage.
1.Thehoseroutingortheorientationof
thehydraulicttingsisincorrect.
1.Movethecuttingunitsthroughoutthe
extremesofmovementandobserve
anytightnessinthehoses.Correctly
routethehosesandorientatethe
ttingsasnecessary.
2.Thepivotpointsaretootight.2.Releaseandgreasethepivotpointas
necessary.
3.Thecuttingunitoperatinginthe‘hold’
position.
3.
Movethepositioncontrolswitchto
‘down/oat’position.
Thecuttingunitsdonotfollowthecontours
oftheground.
4.Theweighttransferissettoohigh.4.Reducetheweighttransfer.
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