Maintenance
Removetheelectric-startbuttonandbatterypackfromthemachinebeforemaintainingorcleaningthemachine.
Useonlythemanufacturer’srecommendedreplacementpartsandaccessories.
Inspectandmaintainthemachineregularly.HavethemachinerepairedonlybyanAuthorizedServiceDealer.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftereachuse
•Cleangrassclippingsanddirtfromunderthemachine.
•Cleangrassclippingsanddirtfromunderthemachine.
Yearly
•Replacethebladeorhaveitsharpened(morefrequentlyiftheedgedullsquickly).
•Replacethebladesorhavethemsharpened(morefrequentlyiftheedgedulls
quickly).
LubricatingtheMachine
Youdonotneedtolubricatethemachine;allthe
bearingshavebeenlubricatedatthefactoryforthe
lifeofthemachine.
ReplacingtheBlade
Models21620and21621
ServiceInterval:Yearly
Important:Youwillneedatorquewrenchto
installthebladeproperly.Ifyoudonothavea
torquewrenchorareuncomfortableperforming
thisprocedure,contactanAuthorizedService
Dealer.
Ifthebladeisdamagedorcracked,replaceit
immediately.Ifthebladeedgeisdullornicked,have
itsharpenedandbalanced,orreplaceit.
WARNING
Whenservicingtheblade,thebladecanstill
moveeventhoughthepowersourceisoff.
Thebladeissharp;contactingthebladecan
resultinseriouspersonalinjury.
•Keepyourhandsandfeetawayfroma
movingblade.
•Weargloveswhenservicingtheblade.
1.Removethebatterypackfromthemachine.
2.Useablockofwoodtoholdthebladesteady
(Figure21).
3.Removethebladeboltandblade;savethe
bladebolt(Figure21).
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