19
MAINTENANCE
CLEANINGFUELSEDIMENTCUP
gottenintothefueltankfromenteringthecarburetor.If
theenginehasnotbeenrunforalongtime,thesediment
cupshouldbecleanedbeforeuse.
Turnthefuelvalvetotheoffposition.
Removethesedimentcupusinga10mmwrench.
Removetheo-ringandfilter.
Cleaneachofthepartsinahighflash-pointsolvent.
Reinstallthefilter,o-ring,andsedimentcup.Tighten
■
■
■
■
■
with10mmwrenchtosecure.
ReturnthefuelvalvetotheONpositionandcheck■
forleaks.
SPARKPLUGMAINTENANCE
depositsinordertoensureproperengineoperation.
Tocheckthesparkplug:
Removethesparkplugcap.
Cleananydirtfromaroundthebaseofthespark
■
■
plug.
■
■
Removethesparkplug.
Inspectthesparkplugfordamage,andcleanwith
awirebrushbeforereinstalling.Iftheinsulator
iscrackedorchipped,thesparkplugshouldbe
replaced.
NOTE:Ifreplacing,usethefollowingrecommended
sparkplugsorequivalent:NGK,.
Measurethepluggapwithafeelergauge.The
FT7C
■
correctgapis.028-.031in.Correct,ifnecessary,by
carefullybendingthesideelectrode.
Seatsparkpluginposition;threadinbyhandto■
preventcross-threading.
■ Tightenwithsparkplugwrenchtocompresswasher.
Ifsparkplugisnew,use1/2turntocompress
washerappropriateamount.Ifreusingoldspark
plug,use1/8to1/4turnforproperwasher
compression.
Fig.15
Fig.14
SPARKPLUG
SEDIMENT
CUP
DRAININGCARBURETOR
container.
■
■
■
Retightendrainscrew.
TurntheengineswitchandfuelvalveOFF.
TRANSPORTING
Makesureengineandexhaustsystemofunitiscool.
■
■
Keeptheunitleveltopreventfuelspillage.
Donotdroporstriketheunitorplaceunderheavy
objects.
Fig.16
DRAINSCREW