Toro 30651 - Page 48

Problem
PossibleCauseCorrectiveAction
1.Faultypump
1.Identifynoisypumpandserviceor
replace
2.Faultymotor
2.Identifynoisymotorandserviceor
replace
3.Airleakingintosystem
3.Tightenorreplacehydraulicttings
particularlyinsuctionlines
4.Suctionstrainerblockedordamaged4.Cleanandreplacesuctionstraineror
renewasnecessary
5.Excessiveoilviscosityduetocold
conditions
5.Allowsystemtowarmup
6.Lowreliefvalvesetting6.Havereliefvalvecleanedandpressure
checked.Consultyourauthorized
dealer
Excessivenoiseinhydraulicsystem
7.Lowhydraulicoillevel7.Fillhydraulicoilreservoirtocorrect
level
1.Wornpumpormotor1.Replaceasnecessary
2.Lowhydraulicoillevel2.Fillhydraulicoiltanktocorrectlevel
3.Incorrectoilviscosity3.Replaceoilinhydraulictankwith
correctviscositygradeoil
4.Oillterelementblocked4.Changelterelement
5.Faultypressurereliefvalve5.Havereliefvalvecleanedandpressure
checked.Consultyourauthorized
dealer
6.Overheating
6.Reduceworkratei.e.increaseheight
ofcutorreduceforwardspeed
Afterinitialsatisfactoryoperationmachine
losespower
7.Leaksonsuctionhose
7.Checkandtightenttings.Replace
hoseifnecessary.
1.Liftcylindersealfailure
1.Replaceseals
2.Pressurereliefvalvejammedopenor
wronglyset
2.Havereliefvalvecleanedandpressure
checked.Consultyourauthorized
dealer
3.Defectivecontrolvalve3.Overhaulcontrolvalve
Cuttingunitfailstoliftoutofwork
4.Mechanicalblockage4.Removeblockage
1.Tightnessinpivots1.Releaseandgreaseasnecessary
2.Moweroperatedin‘hold’position2.Movepositioncontrolswitchto‘down
/oat’position
Cuttingunitdoesnotfollowground
contours
3.Weighttransfersettoohigh3.Reduceweighttransfer
1.Faultyseatsensorswitch
1.Checkmechanicalandelectrical
operationofswitch
2.Lowoillevel2.Fillhydraulicoilreservoirtocorrect
level
3.Sheareddriveshaft3.Checkmotorandcylinderdriveshafts
andreplaceifnecessary
4.Pressurereliefvalvejammedopenor
wronglyset
4.Havereliefvalvecleanedandpressure
checked.Consultyourauthorized
dealer
5.Cuttingunitblade(s)jammed5.Clearasnecessary
6.Cuttingunitcontrolvalveinthe‘off’
positioncausedbydefectivecontrol
valve
6.Overhaulcontrolvalve
Cuttingunitfailstostartup
7.Cuttingunitcontrolvalveinthe‘off’
positioncausedbyelectricalfault
7.Haveelectricalsystemchecked
Bladesrotateinwrongdirection1.Hosesconnectedwrong
1.Checkhydrauliccircuitandreconnect
asnecessary
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