4
Startingtheengine:
1.Accordingtheengineconnectionmethod,installtheengineonRCairplaneandlockpropellers.
Madethecarburetorinitialsetupandconnectthesparkplug,electronicignitionandsensors,putthefuelintotheoil
tank,connectthepowerandradiocontrolequipment.
2.Powerofftheelectronicigniteratthistimeandclosethecarburetorchoke.Rapidlyrotatingthepropellerofthe
engineandmakethefuelinthetanksuckedintocarburetor,pleasepayattentiontothesuctionofthefuelshouldnot
betoomuch,otherwisewilldrownthesparkplug,theenginestartdifficult.
3.Pleaseopenthecarburetorthrottleairinlet,powerontheelectronicigniter,thenstarttheengineusingthemotor
starter,theenginewillbegintowork,thefanswilladjustthecarburetoraccordingtoyourownneed.Accordingto
theabovestepstoadjustthecarburetoradjustment
Warning:
Makesureallbystanders,especiallychildren,atleast15mawayfromrotatingengine.
EngineBreak-in:
Pleaseusehighqualitysyntheticoils,gasolineandmachineoilwithmixingratio35:1.NGHisrecommendedtouse
smallersizepropellersatfirstbreak-inandfollow-upabout10timesinflight.Keepmediumspeedrunningfor15
minutes(nomorethan4000rpm)afterstartedengine,thenhighspeedrunning(6500rpm)for3minutes,atlastmedium
speedrunningfor5minutes,highspeedrunningfor3minutes,reciprocating3-5timescompletebreak-in.Breakingin
enginecarefullywillincreaseitslife.Pleasemakesuretheenginegotthecompletebreak-inbeforeyouusethelarger
loadpropeller.
Enginecooling:
Ifenginebeinginstalledinthefairing,theremustbeenoughairbeingpulledintocooltheengine,andit'snecessaryto
assureenoughairflowinginthefaring.
Referencedata:Outletareashouldbe3-5timesbiggerthantheentranceareatoensureadequatecooling.
EngineFailureRemoval:
Iftheengineisdifficulttostart,oridlespeedorunstableinhighspeed.Pleasecheck:whethertheelectriccircuitandoil
lineofengineistrouble,whethertheengineleaksair,whethertheelectronicignitionworksoritspowersupplyis
adequate,whetherthesparkplugflameout.Ifnecessary,replacewithanewsparkplug.
Ruleoutenginefailure:
Iftheengineisdifficulttostart,oridlespeedorunstableinhighspeed.Pleasecheck:whethertheelectriccircuitandoil
lineofengineistrouble,checkiftheengineleaksair,oriftheelectronicignitionworks,orifitspowersupplyis
adequate,orifthesparkplugflameoutorifthecapisstickitsrightposition.Ifnecessary,replacewithanewspark
plug.
EngineMaintenance:
Toreducethefuelconsumption,extendengine’slife,pleaseadjusttheengine’shighestspeedandmakeenginerunin
theoutputmaximumspeedof90%oncethegaspedalfullopened.Iftheloadislarge(Propeller’sdiameterandscrew
pitcharebig),thefuelmustbeadequate.Iftheloadissmall,thespeedwillbehighwhilethefuelconsumptionwillbe
less;Pleasemakesuretoemptythecarburetoraftereachflight,otherwiseit’llcausetherubberofcarburetoragingto
affecttheengineperformance;Pleasecleanthecarbondepositiononthesparkplugandkeepthegapfrom0.7mmto
0.8mmbetweentheelectrodes;Ifit’sdifficulttostarttheengine,idlespeedunstableorwhenhighspeedoperation
flameout,pleasereplacethesparkplugs;Pleasecleantheenginesurfaceafterusedeachtime,itcanmaketheengine
getbettercooling;Thecarburetormaybeblockedseriouslyifyouusedifferentbrandsortypesoflubricatingoil
together,youneedselectabetterfuelfilter;Iftheenginelowspeedworkforalongtime,canleadtosparkplugcarbon
deposition;Regularlycheckthefuelsystem,makesuredonotleakfuel,donotleakair.
EngineGuarantee:
IftheNGHenginehasperformancedefectscausedbythedefectsofprocess,materialandmanufacturing,wecertify
that:ChangeforfreewithinoneyearandGuaranteewithintwoyearssincethedateyoupurchased.Pleasenotethe
guaranteeisonlyfortheoriginalpurchaser,notincluding:Normalwearforengine;damagecausedbythefailureof
maintenance;damageforengineoverspeedoperationcausedbyusingsmallpropeller;Bearingrust;Crash;Use
inappropriatefuel;Damagecausedbyforeignbodies;Damagecausedbyunreasonableinstallationoroperating
environment;Damagecausedbyimproperdismantle;Damagecausedbyanymodification.
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