Toro LT3340 - Troubleshooting: Cutting Unit Functionality; Cutting Unit Lift and Contour Following Issues; Cutting Unit Startup and Reel Rotation Direction

Problem
PossibleCauseCorrectiveAction
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.
1.Theseatsensorswitchis
malfunctioning.
1.Checkthemechanicalandelectrical
operationoftheswitch.
2.Thehydraulic-uidlevelislow.2.Fillthehydraulic-uidreservoirtothe
correctlevel.
3.Adriveshaftissheared.3.Checkthemotorandreeldriveshafts
andreplacethemifnecessary.
4.Thepressurereliefvalveisjammed
openorwronglyset.
4.Havethereliefvalvepressurechecked.
Consultyourauthorizeddealer.
5.Acuttingunitisjammed.
5.Clearanyjamsasnecessary.
6.Areelistightonthebedknife.
6.Adjustthesetting.
7.Acuttingunitcontrolvalveisinthe
‘off’position,causedbymalfunctioning
controlvalve.
7.Overhaulthecontrolvalve.
8.Acuttingunitcontrolvalveisinthe‘off’
position,causedbyanelectricalfault.
8.Havetheelectricalsystemcheckedfor
anelectricalfault.
Thecuttingunitsfailtostartupwhen
loweredintowork.
9.Theliftarmproximityswitchis
incorrectlyset.
9.Checkandadjusttheproximityswitch.
1.Thehosesareconnectedwrongly.
1.Checkthehydrauliccircuitandconnect
thehosescorrectly.
Thereelsrotateinthewrongdirection.
2.Thecuttingunitdriveswitchis
connectedwrongly.
2.Checktheelectricalconnectionsofthe
switch.
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