Toro CT2120 30655 - Cutterhead System Maintenance; Cutterhead Roller Bearing Adjustment; Cutterhead Scraper Wire Tension

CheckingtheHydraulicLines
andHoses
Daily,checkhydrauliclinesandhosesforleaks,kinked
lines,loosemountingsupports,wear,loosettings,
weatherdeterioration,andchemicaldeterioration.Make
allnecessaryrepairsbeforeoperating.
CutterheadsSystem
Maintenance
CutterheadsMaintenance
CheckingCutterheadsRearRoller
BearingAdjustment
ServiceInterval:Every50hours
Important:Itisessentialthatthecutterheadsroller
bearingsarekeptingoodadjustmentinorderto
ensuremaximumworkinglife.Ifrollerendoatis
allowedtobecomeexcessive,prematurebearing
damagewillresult.
Griptherollerandmovefromsidetosideandupand
down.Ifexcessivemovementisdetected,proceedas
follows:
Carefullytightennuts(
Figure65)ateachendofthe
rollerwiththespannerprovided,justsufcientlyto
removeanyendoat.
1
G014441
Figure65
1.Nuts
Note:Therollershouldstillrotatefreelyafter
adjustment.Overtighteningofnuts(Figure65)could
leadtoprematurebearingdamage.
CheckingCutterheadsRearRoller
ScraperWireTension
ServiceInterval:Every50hours
Itisimportantthatthescraperwiresarecorrectly
tensionedsoastoensurethatthecorrectoperationand
maximumworkinglife.Carefullytightenthescraper
wireretainingnutssoastoremoveanyslackfrom
thescraperwiresthentightennutsafullfourturnsto
correctlytensionthewire(Figure66).
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