Briggs & Stratton 202826GS, Installation And Start-Up Manual

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16 BRIGGSandSTRATTON.COM
Initial Start-up (No Load)
Beforeoperatingthehomegeneratororplacingitinto
service,inspecttheentireinstallationcarefully.
Thenbegintestingthesystemwithoutanyelectricalloads
connected,asfollows:
1. Setgenerator’smaincircuitbreakertoits
ON (closed)
position.
. Install15Ampfuseincontrolpanel.
3. Setgenerator’ssystemswitchto
AUTO .
4. Push MANUAL OVER-RIDE buttononcontrolpanel.
NOTE :Whenthehomegeneratorisstartedforthevery
firsttime,itwillrequirethatairinthegaseousfuellinesbe
purged.Thismaytakeafewminutes.
5. DONOTcrankengineformorethan10seconds,then
pausefor10secondstoreduceheatinthestarter.
6. Repeatprocessuntilenginestarts.
7. Listenforunusualnoises,vibrationorotherindications
ofabnormaloperation.Checkforoilleakswhileengine
runs.
8. Letenginewarmupforaboutfiveminutestoallow
internaltemperaturestostabilize.
9. ConnectanaccurateACvoltmeterandafrequency
metertocheckgeneratoroutputatloadsideofcircuit
breaker.Voltageshouldbe39-6Volts,frequency
shouldbe6.0-6.5Hz.
NOTE :Ifeitherparameterisoutsidetheseranges,perform
theEngineAdjustmentsdescribedbelow.
10. Checkgeneratoroutputbetweenoneofthegenerator
connectionlugsandtheneutrallug,thenbetweenthe
othergeneratorconnectionlugandtheneutrallug.
Inbothcases,voltagereadingshouldbebetween
119-131Volts.
11. Pushandhold MANUAL OVER-RIDE buttononcontrol
panelagainuntilenginestops.
IMPORTANT :DONOTproceeduntilyouarecertainthat
generatorACvoltageandfrequencyarecorrectandwithin
thestatedlimits.Toobtainthepropergeneratorfrequency,
see Engine Adjustments .
Engine Adjustment
Eachhomegeneratorunitleavesthefactorysetforeither
NGorLPgasoperation.Thereareregionalvariancesinthe
compositionofnaturalgas.Ifthegeneratoroutputvoltage
orfrequencymeasuredduringInitialStart-Up(paragraph#9)
isoutsidethelistedranges,thecombustibilityofthegas
suppliedattheinstallationsitemaybesubstantiallydifferent
fromthefuelusedatthefactory.
Toadjusttheengineforthisdifference,proceedasfollows.
1. Opentheoildrainandcontrolpanelaccessdoors.
. Removethefourscrewsthatholdthecircuitbreaker
covertotheairintakeguard.
3. Connectanaccuratefrequencymetertothelinesideof
thegenerator’smaincircuitbreaker.
4. Ensurethatthe15Ampfuseisinstalled.
5. Setthegenerator’smaincircuitbreaker
ON .
6. Setthegenerator’ssystemswitchto AUTO .
7. Push MANUAL OVER-RIDE buttononcontrolpanel.
Whentheenginestarts,allowittowarmupforfive
minutes.