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**JTGS850GL** · 03-06-2015, 01:34 PM

What size compressor (CFM) and reserve tank do you have?

It depends on how anal you're wanting to be? If you're going to do it as best as you can, then you'll need to be very sure to not allow any water in the air line to the gun. To do this you'll need to run the compressor into a condensation run. Basically a run of piping that zigzags vertically with drains at the bottom if every vertical run to catch the first batch of water. Maybe 3 or 4 verticals 3 or 4 feet high should do it. Here's a pic that will get the idea across. It's from a powder coating company but the principal is the same:

From there you'll want to run it into a water trap/separator, a filter and then a regulator. You'll also want an in-line disposable desiccant/filter and a regulator at the gun.

Run a short flexible hose from the compressor to the condensation run. Put a quick disconnect at the end of the first regulator for your shop hose for convenience. The higher the capacity compressor the longer you can shoot between cycles so a 60gal compressor is ideal, but you can go much smaller (24-30gal) if you don't plan on shooting large objects (cars). The longer the compressor runs the more condensation it tends to produce.