Hayter RT380H - Checking the Spark Plug

Figure32
1.Spark-plugwire
6.Cleanaroundthesparkplugtopreventdirtfrom
fallingintotheengineandpotentiallycausing
damage.
7.Removethesparkplugandmetalwasher.
CheckingtheSparkPlug
1.Lookatthecenterofthesparkplug(Figure33).
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Figure33
1.Centerelectrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
Important:Nevercleanthesparkplug.Always
replacethesparkplugwhenithasablack
coating,wornelectrodes,anoilylm,orcracks.
2.Checkthegapbetweenthecenterandsideelectrodes
(Figure33).Bendthesideelectrodeifthegapisnot
correct.
InstallingtheSparkPlug
1.Installthesparkplugandmetalwasher.
Note:Ensurethattheairgapissetcorrectly.
2.Tightenthesparkplugto15ft-lb(20N⋅m).
3.Connectthewiretothesparkplug(Figure32).
4.Closethehood.
FuelSystem
Maintenance
DrainingtheFuelTank
ServiceInterval:Beforestorage
Incertainconditions,petrolisextremely
ammableandhighlyexplosive.Areor
explosionfrompetrolcanburnyouandothers
andcandamageproperty.
•Drainpetrolfromthefueltankwhenthe
engineiscold.Dothisoutdoorsinanopen
area.Wipeupanypetrolthatspills.
•Neversmokewhendrainingpetrol,andstay
awayfromanopenameorwhereaspark
mayignitethepetrolfumes.
1.Parkthetractorsothattheleftfrontsideisslightly
lowerthantherightsidetoensurethatthefueltank
drainscompletely.
2.Disengagethebladecontrol(PTO).
3.Settheparkingbrake.
4.Stoptheengine,waitforallmovingpartstostop,and
removethekeybeforeleavingtheoperatingposition.
5.Openthehoodandlocatethefuellter(Figure34).
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