Toro 38587 - Inspecting Snowthrower Rotor Blades; Rotor Blade Wear Inspection Guide; Servicing the Snowthrower Spark Plug; Spark Plug Maintenance Procedure

2.MovetheZ-ttingtoahigherorlowerholeonthe
adjusterlinkasneededtoobtainthe1/16-inchto
1/8-inch(2mmto3mm)gapbetweenthecontrol
barandthehandle(
Figure22).
Note:MovingtheZ-ttinghigherdecreasesthe
gapbetweenthecontrolbarandthehandle;moving
itlowerincreasesthegap.
3.Hookthespringtotheadjusterlinkandslidethe
springcoverovertheadjusterlink.
4.Checktheadjustment;refertoCheckingtheControl
Cable.
Note:Afterextendeduse,thedrivebeltmaywear
andloseitsproperbelttension.Ifthedrivebelt
slips(continuouslysqueals)underaheavyload,
disconnectthespringfromtheadjustorlinkand
movetheupperendofthespringtotheholethat
isfurtherfromthepivotpointinthecontrolbar
(
Figure23).Thenconnectthespringtotheadjustor
linkandadjustthecontrolcable.
Figure23
1.Upperendofspring
3.Pivotpoint
2.Inserttheupperendof
springintothishole
4.Removetheupperendof
springfromthishole
Note:Thebeltmayslip(squeal)inwetconditions;
todryoutthedrivesystem,starttherotorandrun
itwithoutaloadfor30seconds.
InspectingtheRotorBlades
ServiceInterval:Yearly—Inspecttherotorbladesand
haveanAuthorizedServiceDealer
replacetherotorbladesandscraperif
necessary.
Beforeeachsession,inspecttherotorbladesforwear.
Whenarotorbladeedgehasworndowntothewear
indicatorhole,haveanAuthorizedServiceDealer
replacetherotorbladesandthescraper(
Figure24).
Figure24
1.Wearindicatorhole
ServicingtheSparkPlug
ServiceInterval:Yearly—Servicethesparkplugand
replaceitifnecessary.
UseaNGKBPMR4Asparkplugorequivalent.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Rotatethedischargechutesothatitfacesforward.
3.Removethedischargechute;refertothegurein
InstallingtheDischargeChuteprocedureinthe
Setupsection.
4.Removethe4screwsthatsecuretheshroud
(Figure25).
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