Toro 04357 - Cutting Unit Maintenance; Backlapping

CuttingUnitMaintenance
Backlapping
Contactwiththereelsorothermovingparts
canresultinpersonalinjury.
•Keepngers,hands,andclothingawayfrom
thereelsorothermovingparts.
•Neverattempttoturnthereelsbyhandor
footwhiletheengineisrunning.
1.Positionthemachineonalevelsurface,lowerthe
cuttingunits,stoptheengineandengagetheparking
brake.
2.Unlockandraisetheseattoexposethecontrols.
3.Makeinitialreeltobedknifeadjustmentsappropriate
forbacklappingonallcuttingunitswhicharetobe
backlapped;refertotheCuttingUnitOperator’sManual.
Changingtheenginespeedwhilebacklapping
maycausethereelstostall.
•Neverchangetheenginespeedwhile
backlapping.
•Onlybacklapatidleenginespeed.
4.Starttheengineandrunatlowidlespeed.
5.RotatetheBacklapLevertothe“R”position
(Figure60).
6.RotatetheReelSpeedControltosetting1
(Figure60).
Figure60
1.Backlaplever2.Reelspeedcontrol
7.WiththeMow/Transportleverintheneutral
position,movetheLowerMow/Liftcontrolforward
tostartthebacklappingoperationonthedesignated
reels.
8.Applylappingcompoundwithalonghandlebrush.
Neveruseashorthandledbrush.
9.Ifthereelsstallorbecomeerraticwhilebacklapping,
selectahigherreelspeedsettinguntilthespeed
stabilizes,thenreturnthereelspeedtosetting1or
toyourdesiredspeed.
10.Tomakeanadjustmenttothecuttingunitswhile
backlapping,turnthereelsoffbymovingtheLower
Mow/Raiseleverrearwardandstoptheengine.After
completingadjustments,repeatsteps4through8.
11.Repeattheprocedureforallcuttingunitsyouwant
tobacklap.
12.Whennished,returnthebacklapleverstothe
"F"position,lowertheseat,andwashalllapping
compoundoffofthecuttingunits.Adjustcutting
unitreeltobedknifeasneeded.Movethecuttingunit
reelspeedcontroltothedesiredmowingposition.
Important:Ifthebacklapleverisnotreturned
tothe“F”positionafterbacklapping,the
cuttingunitswillnotraiseorfunctionproperly.
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