CheckingtheRotor
ServiceInterval:Beforeeachuseordaily—Checkfor
anyunusualvibrationoftherotor.
Every50hours—Checkforexcessiveplayin
therotorbearings.
Tocheckforanyunusualvibrationoftherotor,run
eachcuttingunitinturnatfullenginespeed.
Note:Ifthereisanyunusualvibration,checkfor
damageorexcessivewearoftherotororblades.All
bladesneedtohaveasimilarlevelofwearastheir
weightaffectsthebalanceoftherotor.
Note:Ifyoucannotresolvethevibrationissue,
contactyourauthorizedTorodistributor.
1.Raiseandsupportthecuttingunit.
2.Griptherotorateachendandcheckfor
excessiveendplay.
Note:Ifyoudetecttherotorhasexcessiveend
play,contactyourauthorizedT orodistributor.
Note:Iftherotorneedstobereplaced
orbalanced,contactyourauthorizedToro
distributor.
CheckingtheRear-Roller
BearingAdjustment
ServiceInterval:Every50hours
Important:Keeptherollerbearingsonthecutting
unitsingoodadjustmenttoensuremaximum
workinglife.Excessiveroller-endplaycauses
prematurebearingdamage.
1.Griptherollerandmovefromsidetosideand
upanddown.
2.Ifthereisexcessivemovement,carefullytighten
thenutsateachendoftherollerwiththewrench
justenoughtoremoveanyendplay(Figure79).
Note:Therollershouldstillrotatefreelyafter
adjustment.Overtighteningthenutscouldlead
toprematurebearingdamage.
Note:Adjustthenutsbyanequalamountat
bothendsoftheroller.
g014441
Figure79
1.Nut
CheckingtheRear-Roller
ScraperWireTension
ServiceInterval:Every50hours
Ensurethatthescraperwiresarecorrectlytensioned
formaximumworkinglife.
1.Carefullytightenthescraperwireretainingnuts
toremoveanyslackfromthescraperwires.
2.Tightenthenuts4fullturnstocorrectlytension
thewire(Figure80).
g014440
Figure80
1.Scraperwireretainingnuts
Note:Donotovertightenthescraperwires.
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