Operator's Manual

ChangingtheOil
1.Starttheengineandletitrunveminutes.This
warmstheoilsoitdrainsbetter.
2.Parkthemachinesothatthedrainsideisslightly
lowerthantheoppositesidetoensurethattheoil
drainscompletely.
3.Lowertheboomandsettheparkingbrake.
4.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
5.Placeapanbelowthedrainhose.Rotatetheoildrain
valvetoallowoiltodrain(Figure36).
Figure36
Onmodel22974,theoildrainisontheoppositesideof
themachine.
1.Oildrainvalve2.Oildrainhose
6.Whenoilhasdrainedcompletely,closethedrain
valve.
7.Disposeoftheusedoilatarecyclingcenter
8.Slowlypourapproximately80%ofthespeciedoil
intothellertube(Figure35).
9.Checktheoillevel;refertoCheckingtheEngineOil
Level.
10.SlowlyaddtheadditionaloiltobringittotheFull
mark.
ChangingtheOilFilter
1.Draintheoilfromtheengine;refertoChangingthe
EngineOil.
2.Removetheoldlter(Figure37).
Figure37
1.Oillter
2.Adapter
3.Applyathincoatofnewoiltotherubbergasketon
thereplacementlter(Figure37).
4.Installthereplacementoilltertothelteradapter,
turntheoillterclockwiseuntiltherubbergasket
contactsthelteradapter,thentightenthelteran
additional3/4turn(Figure37).
5.Fillthecrankcasewiththepropertypeofnewoil;
refertoServicingtheEngineOil.
6.Runtheengineforabout3minutes,stoptheengine,
andcheckforoilleaksaroundtheoillteranddrain
valve.
7.Checktheengineoillevelandaddoilifneeded.
8.Wipeupanyspilledoil.
ServicingtheSparkPlug
ServiceInterval:Every100hours—Checkthespark
plugs.
Ensurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.
Useasparkplugwrenchforremovingandinstallingthe
sparkplugandagappingtool/feelergaugetocheckand
adjusttheairgap.Installanewsparkplugifnecessary.
Type:
•Models22970and22971—Champion®RCJ8Yor
equivalent;AirGap:0.030inch(0.75mm)
•Model22974—NGKBPR4Esorequivalent;Air
Gap:0.030inch(0.75mm)
RemovingtheSparkPlug
1.Lowertheboomandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Disconnectthewirefromthesparkplug(Figure38).
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