Toro TX 427 Series - Controls System Maintenance; Adjusting the Traction Control Alignment

Figure52
Springcovernotshown
1.Idler-pulleyassembly2.Drive-beltrouting
5.Removethebeltfromthe3pulleys(Figure53).
Figure53
Springcovernotshown
6.Installanewdrivebeltaroundthe3pulleys(Figure52).
7.Installtheendoftheidler-pulleyspringtothearmon
theidler-pulleyassembly.
Important:Ifyouhaveremovedthespringcover,
ensuretoinstallitoverthespringatthistime.
8.Usingthespring-removaltool,pulltheidlerspring
hookupandaroundthestudonthetractionunit,
pullingtheidlerpulleytight.
9.Removethespring-removaltoolfromthespringand
closethehood.
ControlsSystem
Maintenance
Thefactoryadjuststhecontrolsbeforeshippingthetraction
unit.However,aftermanyhoursofuse,youmayneedto
adjustthetractioncontrolalignment,theneutralpositionof
thetractioncontrol,andthetrackingofthetractioncontrol
inthefullforwardposition.
Important:Toadjustthecontrolsproperly,complete
eachprocedureintheorderlisted.
AdjustingtheTractionControl
Alignment
Ifthetractioncontrolbardoesnotrestushandsquare
withthereferencebarwheninthefullbackwardposition,
immediatelycompletethefollowingprocedure:
1.Parkthetractionunitonaatsurfaceandlowerthe
loaderarm.
2.Shutofftheengineandremovethekey.
3.Pullstraightbackonthetractioncontrolsothefront
ofthecontrolcontactsthereferencebar(Figure54).
Figure54
1.Frontofthecontrol(outof
alignment)
2.Referencebar
4.Ifthefrontofthetractioncontroldoesnotrestsquare
andushwiththereferencebar,loosentheangenut
andboltinthestemofthetractioncontrol(Figure55).
Figure55
1.Tractioncontrol
2.Stem,bolt,andnut
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