Toro Power Clear 621 QZR - Inspecting the Rotor Blades; Rotor Blade Inspection Service Interval; Rotor Blade Wear Indicator Identification; Changing the Engine Oil

Note:MovingtheZ-ttinghigherdecreasesthegap
betweenthecontrolbarandthehandle;movingit
lowerincreasesthegap.
3.Hookthespringtotheadjusterlinkandslidethespring
coverovertheadjusterlink.
4.Checktheadjustment;refertoCheckingtheControl
Cable.
Note:Afterextendeduse,thedrivebeltmaywear
andloseitsproperbelttension.Ifthedrivebeltslips
(continuouslysqueals)underaheavyload,disconnect
thespringfromtheadjustorlinkandmovetheupper
endofthespringtotheholethatisfurtherfrom
thepivotpointinthecontrolbar(Figure28).Then
connectthespringtotheadjustorlinkandadjustthe
controlcable.
Figure28
1.Removetheupperendof
springfromthishole
3.Pivotpoint
2.Inserttheupperendof
springintothishole
4.Upperendofspring
Note:Thebeltmayslip(squeal)inwetconditions;
todryoutthedrivesystem,starttherotorandrunit
withoutaloadfor30seconds.
InspectingtheRotorBlades
ServiceInterval:Yearly—Inspecttherotorbladesandhave
anAuthorizedServiceDealerreplacethe
rotorbladesandscraperifnecessary.
Beforeeachsession,inspecttherotorbladesforwear.When
arotorbladeedgehasworndowntothewearindicatorhole,
haveanAuthorizedServiceDealerreplacetherotorblades
andthescraper(
Figure29).
Figure29
1.Thewearindicatorholeis
intact;youdonotneedto
replacetherotorblades.
2.Thewearindicatorholeis
exposed;replacetherotor
blades.
ChangingtheEngineOil
ServiceInterval:Aftertherst2hours
Yearly
Runtheengineafewminutesbeforechangingtheoiltowarm
it.Warmoilowsbetterandcarriesmorecontaminants.
1.Siphonthefuelfromthefueltankintoanapproved
fuelcontainer,orruntheengineuntilitstops.
2.Movethemachinetoalevelsurface.
3.Placeanoildrainpanundertheoildrainplug,remove
theoildrainplug,andtipthemachinebackwardand
draintheusedoilintheoildrainpanFigure30).
Figure30
4.Afterdrainingtheusedoil,returnthemachinetothe
operatingposition.
5.Installtheoildrainplugandtightenitsecurely.
6.Cleanaroundtheoilllcap(
Figure31).
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