Operator's Manual

B
A
g027478
g027478
Figure50
Note:Duetothedeeprecessaroundthesparkplug,
blowingoutthecavitywithcompressedairisthemost
effectivemethodforcleaning.Thesparkplugismost
accessiblewhentheblowerhousingisremovedfor
cleaning.
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).Always
replacethesparkplug(s)whenithas:ablackcoating,
wornelectrodes,anoilylm,orcracks.
Ifyouseelightbrownorgrayontheinsulator,theengineis
operatingproperly.Ablackcoatingontheinsulatorusually
meanstheaircleanerisdirty.
Setthegapto0.76mm(0.03inch).
B
A
g027479
g027479
Figure51
InstallingtheSparkPlug
Tightenthesparkplug(s)to25to30N∙m(18.5to22.1ft-lb).
B
A
25-30 N-m
18.5-22.1 ft-lb
g027960
C
D
g027960
Figure52
CleaningtheCoolingSystem
Cleantheairintakescreenfromgrassanddebrisbeforeeach
use.
1.Disengagetheblade-controlswitchandapplythe
parkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Removetheairlterfromtheengine.
4.Removetheengineshroud.
5.Topreventdebrisenteringtheairintake,installtheair
ltertothelterbase.
6.Cleandebrisandgrassfromtheparts.
7.Removetheairlterandinstalltheengineshroud.
8.Installtheairlter.
38