Toro Groundsmaster 3400 - Page 47

Problem
PossibleCauseCorrectiveAction
1.Thereisafaultypump.1.Identifythenoisypumpandserviceor
replace.
2.Thereisafaultymotor.2.Identifythenoisymotorandserviceor
replace.
3.Thereisairleakingintothesystem.
3.Tightenorreplacehydraulicttings,
particularlyinsuctionlines.
4.Thesuctionstrainerisblockedor
damaged.
4.Cleanandreplacethesuctionstrainer.
5.Thereisexcessiveoilviscositydueto
coldconditions.
5.Allowthesystemtowarmup.
6.Therelief-valvesettingislow.6.Havethereliefvalvecleanedand
pressurechecked.Contactan
AuthorizedServiceDealer.
Thereisexcessivenoiseinthehydraulic
system.
7.Thehydraulic-uidlevelislow.7.Fillthehydraulic-iudreservoirtothe
correctlevel.
1.Thereisawornpumpormotor.1.Replaceasthepumpormotor.
2.Thehydraulic-oillevelislow.
2.Fillthehydraulic-uidreservoirtothe
correctlevel.
3.Thehydraulic-oilviscosityisincorrect.3.Replacetheoilinhydraulictankwith
correctviscosityofoil.
4.Theoil-lterelementisblocked.4.Changethelterelement.
5.Thepressurereliefvalvedoesnot
function.
5.Havethereliefvalvecleanedand
pressurechecked.Consultyour
authorizeddealer.
6.Thereisoverheating.6.Reducetheworkratebyincreasingthe
heightofcutorreducingyourforward
speed.
Afterinitialoperation,themachineloses
power.
7.Thereareleaksinthesuctionhose.
7.Checkandtightenttings.Replace
hoseifnecessary.
1.Liftcylindersealfailure.
1.Replaceseals.
2.Pressure-reliefvalveisjammedopen
orwronglyset.
2.Havereliefvalvecleanedandpressure
checked.Consultyourauthorized
dealer.
3.Thecontrolvalveisnotfunctioning.3.Overhaulthecontrolvalve.
Cuttingunitfailstoliftoutofwork.
4.Thereisamechanicalblockage.4.Removetheblockage.
1.Thereistightnessinthepivots.1.Releaseandgreasethepivotsas
needed.
2.MoweroperatedintheHoldposition.2.Moveposition-controlswitchtothe
Down/Floatposition.
Cuttingunitdoesnotfollowground
contours.
3.Theweighttransfersettoohigh.3.Reducetheweighttransfer.
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