HOW TO PROPERLY DIAL IN YOUR AIR SPRAY GUN
1. ANATOMY OF AN AIR SPRAY GUN
Air Control Valve – This the uppermost, top control knob that regulates the amount of airflow to the horns of the air cap. This controls the width of the spray pattern.
Fluid Control Valve – (aka “Stopper”) This middle knob dictates how much you can pull the trigger back , which controls paint flow to the tip.
Air Inlet Valve – (aka “Cheater”) This bottommost control know can be used to temporarily reduce air flow to avoid blowback scenarios
2. ESTABLISHING YOUR PAINT PRESSURE
- Turn off any air pressure from the pump to the gun.
- Trigger release the paint into a bucket. Now begin dialing in the pump’s pressure until the breaking point of the stream is about 6-9 inches from the tip.
- Ensure a consistent gentle flow, to allow atomization air to do its job.
If you want more paint, use a larger tip – avoid increasing pressure as a means of painting faster.
If the tip size is too large, and the paint seems to drip and fall out (not achieving the 6-9″ reach), simply replace with a smaller tip.
3. ADJUSTING YOUR AIR SUPPLY TO GET THE PROPER FAN WIDTH
- Turn on the air to the gun
- Spray a spot onto a vertical surface and then and look at it
- People typically use a piece of cardboard or roll of paper
- Spray horizontally
- Spray pattern needs to be even and smooth shaped (diagram 3) and inspect the drips to ensure you have an equal amount of paint applied across the spot
- If it is heavy at the ends (diagram 2), you’ll need to lower the air pressure at the pump.
- If heavy in the middle (diagram 1), you’ll need to increase the air pressure at the pump.
Should you have any concerns or questions regarding a painting project you have coming up give our service representatives a call. We’re always here to help!