Toro 03691 - Cutting Unit System Maintenance; Backlapping the Cutting Units

CuttingUnitSystem
Maintenance
BacklappingtheCuttingUnits
Contactwiththereelsorothermovingparts
canresultinpersonalinjury.
•Keepngers,hands,andclothingawayfrom
thereelsorothermovingparts.
•Neverattempttoturnthereelsbyhandor
footwhiletheengineisrunning.
Note:Whenbacklapping,thefrontunitsalloperate
together,andtherearunitsoperatetogether.
1.Positionthemachineonalevelsurface,lowerthe
cuttingunits,stoptheengine,engagetheparking
brake,andmovetheEnable/Disableswitchto
disableposition.
2.Unlockandraisetheseattoexposethecontrols.
3.Makeinitialreeltobedknifeadjustmentsappropriate
forbacklappingonallcuttingunitswhichareto
bebacklapped;refertothecuttingunitOperator’s
Manual.
4.Starttheengineandrunatlowidlespeed.
Changingtheenginespeedwhilebacklapping
maycausethereelstostall.
•Neverchangetheenginespeedwhile
backlapping.
•Onlybacklapatidleenginespeed.
5.Setbothreelspeedcontrolstoposition1(Figure84).
Figure84
1.Backlaplevers2.Reelspeedcontrolknobs
6.Selecteitherfront,rearorbothbacklapleversto
determinewhichunitstobacklap(Figure84).
Toavoidpersonalinjury,becertainthatyouare
clearofthecuttingunitsbeforeproceeding.
7.WiththeMow/Transportleverinthemowposition,
movetheEnable/DisableswitchtotheEnable
position.MovetheLowerMow/Liftcontrolforward
tostartthebacklappingoperationonthedesignated
reels.
8.Applylappingcompoundwithalonghandlebrush.
Neveruseashorthandledbrush.
9.Ifthereelsstallorbecomeerraticwhilebacklapping,
selectahigherreelspeedsettinguntilthespeed
stabilizes,thenreturnthereelspeedtosetting1or
toyourdesiredspeed.
10.Tomakeanadjustmenttothecuttingunitswhile
backlapping,turnthereelsoffbymovingtheLower
Mow/Raiseleverrearward;theEnable/Disable
switchtotheDisableposition,andstoptheengine.
Aftercompletingadjustments,repeatsteps5through
9.
11.Repeattheprocedureforallcuttingunitsyouwant
tobacklap.
12.Whennished,returnthebacklapleverstothe
Mowposition,lowertheseat,andwashalllapping
compoundoffofthecuttingunits.Adjustcutting
unitreeltobedknifeasneeded.Movethecuttingunit
reelspeedcontrolstothedesiredmowingposition.
Important:Ifthebacklapswitchisnotreturned
totheOffpositionafterbacklapping,thecutting
unitswillnotraiseorfunctionproperly.
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