Toro LT3340 - Troubleshooting: Drive System and Hydraulics; Machine Movement and Hydraulic Noise Issues; Power Loss and Reel Rotation Issues

Problem
PossibleCauseCorrectiveAction
1.Theparkingbrakeisengaged.1.Disengagetheparkingbrake.
2.Theuidlevelislow.
2.Fillthereservoirtothecorrectlevel.
3.Thereservoirhasthewrongkindof
uid.
3.Drainthereservoirandllitwiththe
correctuid.
4.Thedrivepedallinkageisdamaged.
4.Checkthelinkageandreplaceany
damagedorwornparts.
5.Thetransmissionpumpisdamaged.5.Havethetransmissionpump
overhauledbyyourauthorized
distributor.
6.Thetransmissionbypassvalveisopen.
6.Closethebypassvalve.
Thereisnomachinemovementinforward
orreverse.
7.Thereisabrokendrivecoupling.7.Replacethedrivecoupling.
Themachinecreepsforwardorbackward
inneutral.
1.Thetransmissionneutraladjustmentis
setincorrectly.
1.Adjustthetransmissionneutrallinkage
setting.
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.Thereisahighspotonthereelorthe
bedknifeduetocontactwithaforeign
object.
1.Removethehighspotwithastoneand
backlaptorestorethecuttingedges.
Severedamagewillrequiregrinding.
Areel‘knocks’whilerotating.
2.Thereelbearingsareworn.2.Replacethebearingsasnecessary.
1.Areelbearingisseized.1.Replacethebearingsasnecessary.
2.Amotorwithincorrectrotationwas
installed.
2.Checkthemotorandreplaceitif
necessary.
3.
Theintegralreliefvalvesofthemotor
arejammedopen.
3.
Havethereliefvalvescleanedand
checked.
4.Thereelistightonthebedknife.
4.Adjustthesetting.
1reelrotatesslowly.
5.Themotorisworn.5.Replacethemotor.
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