Global 5120 - 6.4.1 Install Flame Arrestor Air Intake

GlobalPowerTechnologies  6-8
5120
6.4.1 Install Flame Arrestor Air
Intake:
Figure 36 shows the instal-
lation of the Flame
ArrestorAirIntake.
a) Install the Flame
ArrestorCanoverthe
Venturitubeassembly
and the two stud bolts
protruding from the
combustion chamber
assembly.Makesure
that the base of the
can sits tight to the
combustion chamber
backplate.
b) Install the burn-
er spacers over the
combustion chamber
stud bolts and slide
theairshutterassem-
bly over the bolts, up
tothespacers.
c) Carefullyplacetheflamearrestorscreenoverthecombustionchamberstudbolts,ven-
turiadjustmentscrewandinsidetheflamearrestorcan.Installtwo(2)#10flatwash-
erstoprotectthescreen,theninstallthetwo#10-32x¾couplingnutsandtheventuri
adjustmentlocknut.
d) Close the air shutter completely by turning the air shutter adjustment screw counter
clockwise.Thensettheairshutterbyturningtheadjustmentscrewclockwisethree(3)
tofour(4)fullturnsclockwise.
e) Installtheburnerorificethroughtheflamearrestorscreenandtightenonlyhandtightinto
theventuritubeassemblyinlet.
Caution: Always use the correct size burner orice, 5120 Natural Gas Orice (#8),
GPTP/N4200-00690. Theamearrestorkitisnotapprovedforuseona
5120 generator operating on propane fuel.
f) Installthetwo(2) flame arrestorextensionstudsinto thecouplingnutsand place the
flamearrestorcanspaceroverthestuds.
g) Install,butdonottightenyet,thefuellinekitelbowintothefuelorificefitting.Notethat
theshortlegoftheelbow,withoutthegrommet,attachestotheorifice.
Figure 35AirIntakeandAirShutterRemoval