Graco Inc. 2000EX Manual

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System Adjustment

313384B 15

Material Flow Adjustment

• For a lighter spray pattern, decrease material pres-

sure at sprayer.

• For a heavier spray pattern, increase material pres-

sure at sprayer.

Air Flow Adjustment

• Trigger gun.

• To decrease air flow, close air valve (23) clockwise.

• To increase air flow, open air valve (23) coun-

ter-clockwise.

Preventing Material Surge at

Gun Trigger

Pressure will build up in system when not triggering gun.

To prevent material surge at beginning of spray pattern:

• Point gun away from surface to be sprayed when

trigger is first pulled.

• Hold gun away from surface and gradually bring gun

to surface.

• Trigger gun as little as possible.

For Continuous Spraying

• Engage trigger lock (D) to hold trigger open and

reduce fatigue.

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NOTE: Keep a small amount of air flowing through

air line and gun tip to prevent material from backing

up needle.

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