Operator's Manual

RemovingtheSparkPlug
1.DisengagethePTO,movethemotioncontrolleversto
theneutrallockedpositionandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
Figure41
Note:Blowingoutthecavitywithcompressedairis
usuallythemosteffectivemethodforcleaning.The
sparkplugismostaccessiblewhentheblowerhousing
isremovedforcleaning.
CheckingtheSparkPlug
Important:Nevercleanthesparkplug(s).Always
replacethesparkplug(s)whenithasablackcoating,
wornelectrodes,anoilylm,orcracks.
Ifyouseelightbrownorgrayontheinsulator,theengineis
operatingproperly.Ablackcoatingontheinsulatorusually
meanstheaircleanerisdirty.
Setthegapto0.030inches(0.76mm).
G008794
1
2
Figure42
InstallingtheSparkPlug
Tightenthesparkplug(s)to16ft-lb(22N-m).
16ft-lb
22N-m
G010687
Figure43
CleaningtheCoolingSystem
Cleantheairintakescreenfromgrassanddebrisbeforeeach
use.
1.Disengagethebladecontrolswitch,movethecontrol
leverstotheneutrallockedposition,andapplythe
parkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Removetheairintakescreen,aircleanercover,and
fanhousing.
4.Cleandebrisandgrassfromtheparts.
5.Installtheairintakescreen,aircleanercover,andfan
housing.
37