Global 5120 - Figure 16 Pressure Regulator

GlobalPowerTechnologies  3-6
5120
3.2.2.2 Fuel Filter
Thefuellterisaresinimpregnatedcelluloselter
which prevents solid particles from damaging the
regulator or downstream equipment.  Change the
fuellterasfollows:
1) Removethewiresfromthepressureswitch.
2) Shuto󰀨thefuelsupplytotheTEG.Drain
the sediment bowl by opening the drain
cock.
3) Disconnect the exible fuel line from the
manifoldblock.
4) Disconnect the vent hose from the cabinet
base.
5) Removethetwoboltswhichholdtheregula-
tortothecabinet.
6) Turntheregulatorupsidedownandremove
thefourboltsfromthebottom.
7) Change the lter, and viton gasket, See
Figure16.
8) Carefullyreplacethebottomoftheregulator
makingsurethatthegasketisinitsproper
position.
9) Replacethefourboltsandtighten.
10) Beforere-installingtheregulatorcheckthe
orice,Section3.2.2.3andairsupply,Section3.2.3.
11) Re-installthepressureregulator.Withthefuelpressureon,leakcheckalljoints.
3.2.2.3 FuelOrice
Checkorreplacethefueloriceasfollows:
1) Shuto󰀨thefuelsupplytotheTEG.
2) Disconnecttheexiblefuellinefromthefrontoftheburner.
3) Removetheoricetting.
4) Visuallychecktheoricehole.Itshouldbefreefromanyobstructions.
 • Replaceifnecessary.
5) Re-assemblethefuelline,tighteningallconnections.
6) Leakcheckallconnectionsusingacommercialleakdetector.
Note:Alwaysusethesamesizeoriceaswasremoved.
  Forpropaneserviceuseorice#7part4200-00689
  Fornaturalgasuseorice#8part4200-00690.
WARNING: After any fuel system service, check for fuel leaks.
Figure 16 Pressure Regulator