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 In Finishing

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1. On most spray guns the fluid and fan-width control knobs are on the backside of the gun. The fluid control knob is the lower one in this example. It always lines up with the fluid nozzle and needle.

The critical parts are the fluid nozzle and air cap.

As I have said many times, spray guns are pretty simple tools. By comparison, they aren’t any more difficult to use than a router. Still, there are a couple of critical parts you should be familiar with to get the best results. These are the fluid nozzle and the air cap.

NOTE: This article doesn’t cover airless or air-assisted airless spray guns. Airless are popular with painters who want to cover large surfaces quickly and don’t mind the small trade off in quality, and air-assisted airless are popular in industry and large cabinet shops that have a high volume of work to be finished.

Introductory Remarks

2. Sometimes the fan-width control knob is on the side of the gun rather than the back.

I previously explained


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