Installation
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Grounding
The following are minimum grounding requirements
for a basic electrostatic system. Your system may
include other equipment or objects which must be
grounded. Check your local electrical code for detailed
grounding instructions. Your system must be connected
to a true earth ground.
•
Pump: ground the pump by connecting a ground
wire and clamp as described in your separate pump
instruction manual.
•
Electrostatic Air-Assisted Spray Gun: ground the gun
by connecting the Graco Grounded Air Hose and
connecting the air hose ground wire to a true earth
ground. See “Check Electrical Grounding”, page
14.
•
Air compressors: ground the equipment according to
the manufacturer's recommendations.
•
All air and fluid lines must be properly grounded.
Use only grounded hoses with a maximum of 100
feet (30.5 m) combined hose length to ensure
grounding continuity.
•
All persons entering the spray area: shoes must have
conductive soles, such as leather, or personal
grounding straps must be worn. Do not wear shoes
with non-conductive soles such as rubber or plastic.
If gloves are worn, cut off fingers or cut out palm
area, to ensure your hand contacts the grounded
gun handle.
•
Object being sprayed: keep the workpiece hangers
clean and grounded at all times. Resistance must
not exceed 1 megohm.
•
The floor of the spray area: must be electrically con-
ductive and grounded. Do not cover the floor with
cardboard or any non-conductive material which
would interrupt grounding continuity.
•
Flammable liquids in the spray area: must be kept in
approved, grounded containers. Do not use plastic
containers. Do not store more than the quantity
needed for one shift.
•
All electrically conductive objects or devices in the spray
area: including fluid containers and wash cans, must
be properly grounded.
WARNING
Fire, Explosion, and Electric Shock
Hazard
When operating the electrostatic gun, any
ungrounded objects in the spray area (peo-
ple, containers, tools, etc.) can become elec-
trically charged. Improper grounding can
result in static sparking, which can cause a
fire, explosion, or electric shock. Follow the
grounding instructions below.
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