Exmark QUEST QZS708GEM50200 User Manual

Maintenance
AirGap:0.030inch(.76mm)
RemovingtheSparkPlug-Exmark
708ccengine
1.DisengagethePTOandensuretheparkingbrake
isengaged.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Disconnectthewirefromthesparkplug.
g027478
Figure49
Note:Duetothedeeprecessaroundthespark
plug,blowingoutthecavitywithcompressedair
isusuallythemosteffectivemethodforcleaning.
Thesparkplugismostaccessiblewhentheblower
housingisremovedforcleaning.
CheckingtheSparkPlug–Exmark
708ccEngine
1.Inspectthesparkplug
Note:Ifyouseelightbrownorgrayonthe
insulator,theengineisoperatingproperly.A
blackcoatingontheinsulatorusuallymeansthe
aircleanerisdirty.
Important:DoNotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithas:
ablackcoating,wornelectrodes,anoilylm,
orcracks.
g027479
Figure50
1.Centerelectrode
insulator
3.Airgap(nottoscale)
2.Sideelectrode
2.Checkthegapbetweenthecenterandside
electrodes.
3.Setthegapto0.030inch(.76mm).
InstallingtheSparkPlug–Exmark
708ccEngine
1.Installthesparkplug.Makesurethattheairgap
issetcorrectly.
2.Tightenthesparkplugto18.5–22.1ft-lb(25–30
N-m).
g027960
Figure51
3.Pushthewireontothesparkplug.
CleaningtheBlowerHousing
ServiceInterval:Every100hours/Yearly
(whichevercomesrst)
48

Exmark QUEST QZS708GEM50200 Specifications

General

Brand	Exmark
Model	QUEST QZS708GEM50200
Category	Lawn Mower
Language	English