Dux Platinum 3000 Series Product Manual - Page 6

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Operation Guide

Connect a clean air supply

Connect a clean, dry air supply to the Platinum

Pressure Feed via the 1/4" NPS air inlet fitting.

Note that many compressed air systems may

be contaminated with particulate, compressor

oil and/or water. These materials can foul the

inside of the spray gun, leading to gun malfunc-

tion or defects in your final finish. If you have

any question regarding the quality of your air

supply, please contact DUX for recommenda-

tions on proper air filter/dryer equipment.

Set Initial Air Pressure

As a starting point, adjust the air regulator to

achieve approximately 5 psi at the base of the

spray gun when the gun is triggered. Keep in

mind that hoses cause a drop in air pressure, so

it may be necessary to set the pressure at your

regulator well above 5 psi to maintain 5 psi at

the base of the gun. To ensure you begin with

the proper pressure, it is a good idea to install a

separate gauge (or a small regulator) at the base

of the gun.

Air Pressure:

Wall / Pressure Pot Regulator

Figure 3: Pressure Gauge Installation

For customer service call 888.389.2732

5 Psi

Here

PLATINUM PRESSURE FEED

Due to DUX's the patented Advanced Laminar

Air-flow design, a setting of 5 psi at the base of

the gun will result in approximately 5 psi at the

air cap—which is sufficient to atomize many

coatings at a moderate fluid flow rate.

Later, when test spraying the gun, you will adjust

the air pressure up or down depending upon

atomization quality with your particular coating.

Be sure to make a note of the triggered pressure

reading at your regulator at that time. This will

allow you to easily return to the proper gun set-

tings in the future. Also, remember to adjust your

settings if you change hoses, since pressure

drop will vary depending upon the length and

diameter on the hose used.

Note Unlike traditional HVLP and Conven-

tional Air Spray guns, very little air pressure is

lost inside the DUX gun. It is not necessary

to begin with high pressure (30+ psi) at the

gun inlet.

Connect a filtered fluid supply

A clean fluid supply is also required for reliable

gun performance and a high quality finish. For-

eign objects (typically dried chunks of coating)

will cause surface defects and may foul the fluid

tip and needle—leading to leaks.

We highly recommend the installation of a high

quality fluid filter as close to the gun as possible.

The size and type of filter will depend upon your

coating and application. If you have any ques-

tions regarding the quality of your fluid supply,

please contact DUX for recommendations on

proper fluid filtration equipment.

Connect your properly filtered fluid supply to the

DUX Platinum Pressure Feed via the 3/8" NPS

fluid inlet fitting at the base of the gun as shown

in Figure 2.

Set Initial Fluid Pressure

Three elements control the fluid flow rate

through the DUX gun:

1) Fluid Inlet Pressure

2) Fluid Tip Size

3) Fluid Micrometer Settings

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