GunSetup
Grounding GroundingGrounding
Whenoperatingtheelectrostaticgun,any
ungroundedobjectsinthesprayarea(people,
containers,tools,etc.)canbecomeelectrically
charged.Impropergroundingcanresultinstatic
sparking,whichcancauseare,explosion,or
electricshock.Groundallequipment,personnel,
objectbeingsprayed,andconductiveobjects
inorclosetothesprayarea.Resistancemust
notexceed1megohm.Followthegrounding
instructionsbelow.
Thefollowingareminimumgroundingrequirements
forabasicelectrostaticsystem(seeFigs.12–15).
Yoursystemmayincludeotherequipmentorobjects
whichmustbegrounded.Checkyourlocalelectrical
codefordetailedgroundinginstructions.Yoursystem
mustbeconnectedtoatrueearthground.
•

Pump/uid source:

groundthepump/uidsource
byconnectingitsgroundwiretoatrueearth
ground.
•

Electrostatic Air Spray Gun:

groundthegun
byconnectingtheGracoGroundedAirHose
(AH)tothegun,andconnectingtheairhose
groundwiretoatrueearthground.See
CheckGunElectricalGrounding,page25.
•

Object being sprayed:

keeptheworkpiecehangers
cleanandgroundedatalltimes.
•

All electrically conductive objects or devices in the

spray area:

mustbeproperlygrounded.
•

Fluid and waste containers:

groundalluidand
wastecontainersinthesprayarea.Donotusepail
linersunlesstheyareconductiveandgrounded.
Whenushingthespraygun,thecontainerused
tocatchtheexcessuidmustbeelectrically
conductiveandgrounded.
•

Air compressors:

groundtheequipmentaccording
tothemanufacturer'srecommendations.
•

All air and uid lines

mustbeproperlygrounded.
Useonlygroundedhoseswithamaximumof100
feet(30.5m)combinedhoselengthtoensure
groundingcontinuity.
3A2494D
21