User's Manual
GunOverview
Gun Gun
Gun
Overview Overview
Overview
How How
How
the the
the
Electrostatic Electrostatic
Electrostatic
Spray Spray
Spray
Gun Gun
Gun
Works Works
Works
Theairhosesuppliesairtothespraygun.Partof
theairoperatesthealternatorturbineandtherest
oftheairatomizestheuidbeingsprayed.The
alternatorgeneratespower,whichisconvertedby
thepowercartridgetosupplyhighvoltagetothe
gun’selectrode.
Thepumpsuppliesuidtotheuidhoseandgun,
wheretheuidiselectrostaticallychargedasit
passestheelectrode.Thechargeduidisattracted
tothegroundedworkpiece,wrappingaroundand
evenlycoatingallsurfaces.
Spraying Spraying
Spraying
Waterborne Waterborne
Waterborne
Fluids Fluids
Fluids
Electrostatically Electrostatically
Electrostatically
Thiselectrostaticairspraygunisdesignedtospray
only only
only
waterborneuidswhichmeetthefollowing
ammabilityrequirements:
•FM, FM,
FM,
FMc FMc
FMc
Approved: Approved:
Approved:
Materialdoesnotsustainburninginaccordance
withtheStandardTestMethodforSustained
BurningofLiquidMixtures,ASTMD4206.
•CE-EN CE-EN
CE-EN
50059 50059
50059
Compliant: Compliant:
Compliant:
Materialswhichcannotbeignited,inanymixture
withair,byanenergysourceoflessthan500mJ.
Whenconnectedtoavoltageisolationsystem,
alloftheuidinthespraygun,uidhose,and
isolateduidsupplyischargedtohighvoltage,
whichmeansthatthesystemhasmoreelectrical
energythanasolvent-basedsystem.Therefore,
onlynon-ammableuids(asdenedunder
Models,page3)canbesprayedwiththesystemor
beusedtoclean,ush,orpurgethesystem.
Precautionsmustbetakenwhenusingelectrostatic
waterborneequipmenttoavoidpotentialshock
hazards.Whenthespraygunchargestheisolated
uidtohighvoltage,itissimilartocharginga
capacitororabattery.Thesystemwillstoresomeof
theenergywhilesprayingandretainsomeofthat
energyafterthespraygunisshutoff.Donottouch
thegunnozzleorcomewithin4in.(102mm)of
theelectrodeuntilthestoredenergyisdischarged.
Theamountoftimeittakestodischargethe
energydependsonthesystemdesign.Followthe
FluidVoltageDischargeandGroundingProcedure,
page30,beforeapproachingthefrontofthegun.
NOTE: NOTE:
NOTE:
TheGracowarrantyandapprovalsare
voidiftheelectrostaticspraygunisconnectedtoa
non-Gracovoltageisolationsystemorifthegunis
operatedabove60kV.
Controls, Controls,
Controls,
Indicators, Indicators,
Indicators,
and and
and
Components Components
Components
Theelectrostaticgunincludesthefollowing
controls,indicators,andcomponents(seeFig.
1).ForinformationonSmartguns,alsosee
SmartGuns,page10.
8 3A2496D