FormNo.3396-558RevA
High-AltitudeKit
InstallationInstructions
WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemicalorchemicals
knowntotheStateofCaliforniatocausecancer,
birthdefects,orreproductiveharm.
Installthiskitonthecarburetoroftheenginetohelpincrease
engineperformanceanddecreaseexhaustemissionsathigh
altitudes.Installthiskitifyouexpecttheenginetorun
continuouslyabove1500m(5,000ft)inaltitude.Ifyou
operatetheengineathighaltitudewithoutthiskitinstalled,
theenginecouldexperiencepoorperformance,sparkfouling,
hardstarting,andincreasedemissions.Onceyouhave
installedthekit,attachthehigh-altitudelabelnexttotheserial
decalonthemachine.
Important:Donotoperateanenginethathasbeen
convertedforhigh-altitudeuseatloweraltitudes;
otherwise,youcouldoverheatanddamagetheengine.
Removethekitfromtheengineandrestoretheengine
toitsoriginalfactorycongurationwhenyourunitat
loweraltitudes.
InstallingtheKit
1.Removeanycoveringnecessarytoaccessthe
carburetor.
2.Removethecarburetor.
Note:Markthebowlorientationtothecarburetor
bodyandthentightentotheoriginalpoint.
3.Unscrewtheboltonthecarburetor-oatbowlfrom
thecarburetor.
4.Unscrewthestandardjetfromthecarburetor.
Note:Thejetonthecarburetorisconguredin1of2
ways;refertoFigure1andFigure2.
1
g020826
Figure1
1.Jet
OriginalInstructions(EN)PrintedinChina
AllRightsReserved
*3396-558*A
g021 144
1
Figure2
1.Jet
5.Installthehigh-altitudejetintothecarburetor.
Note:Donotovertightenthejet;otherwise,thejet
headwillstrip.Torquethejetto1.2to1.5N-m(10.6
to13.2in-lb).
Note:Savethestandardjetfromthecarburetorso
thatyoucaninstallitwhenyouusethemachineat
loweraltitudes.
6.ReplacetheoatchamberO-ringwiththenewone.
7.Installthecarburetor-oatbowlbyaligningthemarks
madeinstep2.
8.Installthecarburetorandothercoveringsbackonto
themachine.
Note:Torquethecarburetoroatbowlboltto1.2to
1.5N-m(10.6to13.2in-lb).
9.Placethehigh-altitudelabelnexttothelabelforthe
modelandserialnumber.
10.Starttheenginetoensurethatitrunsnormally.
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1
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Toro High-Altitude Kit, Power Clear 621 Snowthrower Installation guide
- Type
- Installation guide
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