HOW THE ELECTROSTATIC AIR SPRAY GUN WORKS. Graco 307638C Model PRO4000

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HOW THE ELECTROSTATIC AIR SPRAY GUN WORKS. Graco 307638C Model PRO4000 | Manualzz

HOWTHE ELECTROSTATIC AIR SPRAY GUN WORKS

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The air hose supplies air to the spray gun. A portion of the air operates the turbine and the balance of the air is used to atomize the fluid being sprayed. The turbine generates power, which is converted by the power car- tridge, to supply high voltage current to the gun's ioniz- ing electrode.

The pump supplies fluid through the hose and gun, where it is electrostatically charged as it passes the elec- trode. The charged fluid is attracted to the grounded work piece, wrapping around and evenly coating all sur- faces.

INSTALLATIO

Air Supply To Gun Must Be Interlocked

4

307-638

KEY

A

C

Main Air Supply Line

Ventilation Fan Interlock Solenoid Valve

Main Air Supply Shutoff Valve (bleed type)

Air Et Water Separator

Pump Air Supply Shutoff Valve (bleed type)

Air Line Oiler

Air Pressure Regulator

H Pump

J Pump Ground Wire

K

Fluid Filter

The Typical Installation shown above is a guide for selecting and installing electrostatic air spray systems. It is not an actual system design. The particular type and size system for your operation must be custom design- ed for your needs.

L Fluid Supply Line Shutoff Valve

M Fluid Pressure Regulator

N Fluid Supply Line

0 Air Filter (5

P Air Supply Line Shutoff Valve (bleed type)

Q

Spray Gun Ground Wire

Grounded Air Supply Hose

S

U

Electrostatic Spray Gun

ES

"ON-OFF'' Valve Lever

Air Line Drain Valve

WARNING

access to parts which may cause electric shock or injury. Do not install or service this equipment unless you are qualified.

Be

sure your installation complies with National, trical apparatus in a Class

Hazardous Location.

1, Divisions 1 and 2

I

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