Toro Power Clear 621 ZR - Servicing the Spark Plug

Figure29
1.Oilllcap
7.Unscrewtheoilllcapandremoveit(Figure29).
8.Withthemachineintheoperatingposition,carefully
pouroilintotheoilllholetothepointofoverow
(Figure31).
Maxll:20oz.(0.6l),type:automotivedetergentoil
withanAPIserviceclassicationofSJ,SL,orhigher.
Use
Figure30belowtoselectthebestoilviscosity
fortheoutdoortemperaturerangeexpected:
Figure30
Figure31
9.Wait3minutesfortheoiltosettleandaddenough
tobringittothepointofoverow .
10.Screwtheoilllcapintotheoilllhole,andhand
tightenitsecurely.
11.Wipeupanyspilledoil.
12.Disposeoftheusedoilproperlyatalocalrecycling
center.
ServicingtheSparkPlug
ServiceInterval:Yearly—Servicethesparkplugand
replaceitifnecessary.
UseaNGKBPR6ESorChampionRN9YCspark
plugorequivalent.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Rotatethedischargechutesothatitfacesforward.
3.Removethedischargechute,thedischargechute
handle,andthechutesealbyremovingthe3large
screwsandonesmallscrew(Figure32).
Figure32
1.Largescrews(3)4.Smallscrew
2.Dischargechutehandle
5.Chuteseal
3.Dischargechute
4.Removethe4screwsthatsecuretheshroud
(Figure33).
14