Operator's Manual

FuelSystem
Maintenance
InspectingtheLPGSystem
ServiceInterval:Beforeeachuseordaily—ChecktheLPG
tankandcomponents.
Every40hours—ChecktheLPGhoses,regulatorand
connections.
ItisveryimportanttochecktheLPGtankandcomponents
forwearorleaks.
Important:Nevercheckforleaksusinganopename.
Important:Neverusebarehandswhencheckingthe
ttingorvalve.EscapingLPGvaporandliquidfreezes
skinoncontact.
•Inspectingbeforeeachuse:
–Visuallyinspectthetank,hose,andttingandbealert
toafoulodorcomingfromthetank.
–TheLPGtankshouldbefreeofdentsordamage.
Ifthetankshowsignsofdentsordamage,replace
itimmediately.
–Checkthevalveandttingopeningsfordirtand
debris.
–Slowlyopenthevalveallthewayandlistenfora
continuoushissfromtheregulator,itmayindicate
aleak.
–LPGhasarotteneggorskunksmelladdedtoitto
helpdetectagasleak.Ifyoudetectagasleak:
◊TurnofftheLPGvalveifyoucansafelydoso.
◊Leavethearea.
◊Contacttrainedandqualiedpersonnel
immediately.
–Donotuseifthehosesareabraded,damaged,kinked,
orattened.
–Makesurethatthetankissecurelymountedtothe
mower.Ifthetankisloose,thehoseorttingsmay
leak.
•Inspectingwitheachtankchange:
–Checkallgauges,ttings,andvalvesfordamage.
–Lookfordeterioration,wornormissingo-ringson
thetankconnectiontting.
–InspecttheLPGtankandthefuelconnectionjoint
forleaks.Usethefollowingprocedurebelowto
detectleaks:
◊Applyanapprovedleakdetectorsolution,
obtainedfromatrainedandqualiedLPG
distributor,orathicknon-ammoniasoapywater
solution(50%non-ammoniasoapand50%
water).(Aleakdetectorsolutionthatcontains
ammoniawillcausethettingstocorrodeand
leak.)
◊Usingasmallbrushorspraybottle,applythe
solutionaroundallthettingsoftheLPGtank
andthefuelconnectionjoint.
◊Slowlyopenthegasvalveahalf-turn.
◊Ifbubblesaredetected,thejointorttinghas
aleak.Shutoffthevalve,tightentheleaking
connection,andslowlyopenthevalveagain.If
bubblesstillappear,donotusethetank.Ifitis
safetodoso,removethetankfromyourmower;
otherwise,contacttrainedandqualiedpersonnel
immediately.
◊Ifnobubblesaredetected,theLPGtankmaybe
used.
•Inspectingweekly:
–ChecktheLPGhoses,regulator,andconnectionsfor
damageordeterioration.
–ChecktheLPGhoses,regulator,andconnectionsfor
leaksatalljointsusingthesamemethodasdescribed
intheprevioussection.
–Followalltheinspectionchecksasspeciedinthe
twopreviousinspectionsections.
•TankRequalication:
–USDOT(UnitedStatesDepartmentof
Transportation)regulationsrequireLPGtankstobe
inspected,requalied,andmarkedwithin12yearsof
themanufacturedateandonaregularbasisthereafter.
Typicallythisoccurswhenthetankisrelled;contact
atrainedandqualiedLPGtankproviderformore
details.
–DonotlltheLPGtankifitisbeyondthe
requalicationperiod.
–DonotlldamagedorrustedLPGtanks.
ServicingtheElectronicFuel
InjectionSystem
Thismachinecontainsanelectronicfuelinjectionsystem.It
controlsthefuelowunderdifferentoperatingconditions.
Theelectroniccontrolunit(ECU)continuouslymonitorsthe
operationoftheEFIsystem.
Ifaproblemorfaultwithinthesystemisdetected,the
malfunctionindicatorlight(MIL)isilluminated.TheMILis
theredlightlocatedintherightconsolepanel.
OncetheMILilluminates,initialtroubleshooting
checksshouldbemade.RefertotheMILsectionunder
Toubleshooting.
Ifthesechecksdonotcorrecttheproblem,furtherdiagnosis
andservicingbyanAuthorizedServiceDealerisnecessary.
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