Exmark COMMERCIAL 21 - Adjusting the Cutting Height

Operation
Figure12
1.Crumplednewspaper2.5inches(12.7cm)
5.Placetheballofnewspaper5inches(12.7cm)in
frontofthelawnmower.
6.Starttheengine.
7.Pushthebladecontrollockleverforwardto
releasethebladecontrolbail(Figure4).
8.Squeezethebladecontrolbailagainstthehandle.
bladeshouldengage.
9.Releasethebladecontrolbail.Youshouldheara
“bang.”Thebladeshouldstopinthreeseconds.
Thebladecontrollocklevershouldresettolock
thebladecontrolbail.
10.Immediatelypushthelawnmoweroverthe
newspaperball.
11.Stoptheengineandwaitforallmovingpartsto
stop.
12.Walkaroundthelawnmowertocheckforthe
newspaperball.Iftheballdidnotgounderthe
deck,repeatsteps6through11.
13.Pullthelawnmowerawayfromthenewspaper.
Ifthenewspaperballunravelsorisshredded,
thebladehasnotproperlystopped,resulting
inanunsafeoperatingcondition.Contactan
AuthorizedServiceDealer.
DANGER
Ifthebladebrakeclutchsystemisinoperative,
thebladewillcontinuetorotatewhenyou
releasethebladecontrolbail.Contactwith
thebladecouldoccur,causingseriousinjury.
•ChecktheBBCoperationbeforeeachuse.
•NeverusetheBBC-equippedlawnmower
withaninoperativesafetysystem.
•TakeyourlawnmowertoanAuthorized
ServiceDealerforrepairifthesafety
systemfailstooperateproperly.
TestUsingtheGrassBag
1.Installtheemptygrassbagonthedischarge
tunnel.
2.Starttheengine.
3.ForunitswithaBladeBrakeClutch:Pushthe
bladecontrollockleverforwardtoreleasethe
bladecontrolbail(Figure4).
4.Squeezethebladecontrolbailagainstthehandle.
5.Thebagshouldbegintoinate,indicatingthat
thebladeisengagedandrotating.
6.Releasethebladecontrolbail.Ifthebagdoesnot
immediatelydeate,itindicatesthatthebladeis
stillrotating.Thebladebrakeclutchmechanism
maybedeteriorating,and,ifignoredcouldresult
inanunsafeoperatingcondition.Havethelawn
mowerinspectedandservicedbyanAuthorized
ServiceDealer.
AdjustingtheCuttingHeight
Therearwheelsareadjustedtogetherwithaheight
adjustmentrodlocatedonthemowerhousingby
theleftrearwheel.Thefrontwheelsareadjusted
separatelybyremovingthefrontwheelshaft
assemblies,adjustingtheheight,andthenreplacing
theshaftassemblies.Thecuttingheightcanbe
adjustedfrom1inch(25mm)to41/2inches(114
mm)in1/2inch(12.7mm)increments.
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