Exmark COMMERCIAL 21 - Checking the Blade Brake Clutch (Blade Brake Clutch Units Only)

Operation
Figure10
1.Bladecontrollocklever
4.Pushforward
2.Lockedposition5.Unlockedposition
3.Bladecontrolbail
6.Squeezeagainsthandle
3.Squeezethebladecontrolbailagainstthehandle
andreleasethebladecontrollocklever;theblade
shouldengage.
4.Releasethebladecontrolbailtodisengagethe
blade.Thebladecontrollockleverwillresetto
lockthebladecontrolbail.
UsingtheMulchPlug
Occasionallyyoumaywishtousethemulchplugto
mulchthegrassandleafclippingsbackintothelawn.
•InstallingtheMulchPlug:
1.Stoptheengineandwaitforallmovingparts
tostop.
2.Removethegrassbagifitisonthemower.
3.Raisethedischargedoorandinsertthemulch
plugintothedischargeopening.Thelipon
theplugwillsnapintothemowerhousing.
Figure11
1.Mulchplug3.Lip
2.Dischargedoor4.Mowerhousing
4.Lowerthedischargedoor.
•RemovingtheMulchPlug:
Note:Whengrassisthickandlush,clippings
maycollectonandaroundthedischargetunnel
plug.Thismaymakeitdifculttoremovethe
plug.Cleantheplugthoroughlyaftereachuse.
1.Toremovethemulchplug,raisethedischarge
doorandpullthemulchplugoutofthe
dischargetunnel.
2.Lowerthedischargedoor.
CheckingtheBladeBrakeClutch
(BladeBrakeClutchUnitsOnly)
ChecktheBladeBrakeClutch(BBC)systembefore
eachusetoensurethatitisoperatingproperly.
NormalTest:
1.Stoptheengineandwaitforallmovingpartsto
stop.
2.Movethelawnmowerontoapavedsurfacein
anon-windyarea.
3.Setallfourwheelstothe21/2inches(6.4cm)
cuttingheight(seeFigure13andFigure14)
4.Takeahalfsheetofnewspaperandcrumple
itintoballsmallenoughtogounderthedeck
(about3inchesor7.6cmindiameter)asshown
inFigure12.
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