GlobalPowerTechnologies 3-2
5120
ambientconditions.IftheTEGwasnotleftoperatingatthecorrectV
set
duringthelastvisit,
determinethereasonforthis.IftheTEGwasleftoperatingatthecorrectV
set
duringthelast
visitandisnownot,thefollowingpossiblecausesshouldbeconsidered.
a) Changeinfuelpressure.Referbacktothelastentryintheloganddetermineifthefuel
pressurehaschanged.Ifthefuelpressurehaschanged,readjustthefuelpressureto
thelastentry.IfthisreturnstheV
set
towithin0.2voltsofratedV
set
youcanproceedwith
thebasicserviceasperSection3.1.2.
b) Obstructedairow.Checkforobstructionsatthecoolingnsandtheairlterstabilizer.
AdjusttheairshutterasperSection2.6.4.IfthisreturnstheV
set
towithin0.2voltsof
ratedV
set
proceedwithbasicserviceasperSection3.1.2.
c) Changeinfuelquality.Inordertomaintainaconstantoutputpoweritisessentialthat
theTEGbesuppliedwithaconstantheatingvaluefuel.
IftheabovecauseshavebeenruledouttheTEGmayrequiremorethanjustthebasicservice.
RefertoSection3.3forfurtherprocedurestoisolatethecauseofthelowV
set
conditionbutkeep
theTEGoperatingfornow.
Unlessotherserviceisindicatedabove,thefollowingbasicserviceisallthatisrequired.
3.1.2 TEG Basic Service Schedule
1) Replacethefuellter(Part#3400-22363)inthepressureregulatoronceperyear(see
Section3.2.2.2).
2) Drainthepressureregulatorsedimentbowl(seeSection3.2.2.1)
3) Checkthefueloriceforcloggingandreplaceifnecessary(seeSection3.2.2.3).
PropaneOrice(#7) Part#4200-00689
NaturalGasOrice(#8) Part#4200-00690
4) Removeanydebris,sandordustfromthecoolingns,airlterstabilizerandcabinet
interior.
5) Checkallboltsandwireconnectionsfortightness.
6) RestartTEGasperSection2.5.
7) Record service and current operation parameters in the System Performance Log in
Appendix7.5,page7-5.