Exmark COMMERCIAL 21 - Cleaning Under the Belt Cover (Self-Propelled Units Only); Cleaning the Blade Brake Clutch Shield (Blade Brake Clutch Units Only)

Maintenance
WARNING
Grassclippingsandotherobjectscanbethrown
fromanopendischargetunnel.Thrownobjects
cancauseseriousinjuryorkilltheoperatoror
bystanders.
Neverstartoroperatethelawnmowerunlessone
ofthefollowingistrue:
•MulchMode:
•Thedischargetunnelplugislocked
securelyinthedischargetunnel.
•Thedischargetunneldoorisclosed
againstframe.
•BagMode:
•Thedischargetunnelplugisremoved.
•Thegrassbagislockedinplace.
•Thedischargetunneldoorisclosed
againstbag.
•OptionalRearDischargeMode:
•Theoptionalreardischargedeectoris
lockedinplace.
•Thedischargetunneldoorisclosed
againstdeector.
CleaningUndertheBelt
Cover(Self-PropelledUnits
Only)
ServiceInterval:Every50hours
1.Stoptheengineandwaitforallmovingpartsto
stop.
2.Disconnectthewirefromthesparkplug.
3.Pullupwardonthebackofthecovertounsnap
thefrontandbackcovertabs(seeFigure28).
4.Liftoffthecoverandbrushoutallthedebris
aroundthebeltarea.
5.Installthebeltcoverbypushingdownontherear
rstandthensnappingthefrontontothemower
housing.
6.Connectthewiretothesparkplug.
CleaningtheBlade
BrakeClutchShield
(BladeBrakeClutchUnits
Only)
ServiceInterval:Every50hours
1.Stoptheengineandwaitforallmovingpartsto
stop.
2.Disconnectthewirefromthesparkplug.
3.Drainthegasolinefromthefueltank.Referto
EmptyingtheFuelTankandCleaningthe
FuelFiltersection.
4.Tipthelawnmowerontoitsrightside(airlter
up).
5.Removethebladenutsandtheblade(see
Figure22).
Figure32
1.Screws2.BBCShield
6.RemovethethreescrewsholdingtheBBCshield
ontotheunit(seeFigure32).
7.RemovetheBBCshieldandbrushorblowall
thedebrisfromundertheshieldandaroundthe
BBCsystem.
8.InstalltheBBCshield.Tightenthescrewsto
securetheBBCshieldtothedeck.
9.Installthebladeandthetwobladenuts.Torque
thebladenutsto44-56ft-lb(60-76Nm).
10.Turnthelawnmowerupright.
11.Connectthewiretothesparkplug.
32