QUOTE: Originally posted by 1337
MikeV correct me if i'm wrong :D
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If you insist.
QUOTE: Cleaning airbrushes:
Internal mix
Gravity fed: Place thinner into cup, spray, use q-tip or microbrush or other similar tool to wipe. done.
Siphon fed (side feed) : basicly the same as gravity
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I would agree but I would first wipe the color cup out real good with a paper towel or soft rag to remove most of the paint. Then after putting thinner into the cup I like to take an old artists type of paintbrush and put it into the cup and wipe it around the cup and down around the needle to break-up most of the paint which has adhered to these surfaces. Then spray out that thinner, put in another bowl of thinner and spray it out again. If it is a small color cup such as the Badger 360 or even slightly bigger such as the Omni 5000, I would spray a few bowls full of thinner to clean it good.
If I used enamels or lacquers for painting and spraying lacquer thinner through it, I like to spray a little of the mixture of 2 parts filtered water, 1 part Windex, and 1 part Simple Green through it and follow with some water as sometimes lacquer seems to leave the airbrush a little bit sticky feeling, but not always.
QUOTE: Bottom fed: now it gets intresting. Use lacquor thinner (if your ab has teflon bearings) and just spray it through, wipe the needle, soak the nozzle, wipe the bottle and litle straw thingy, and the cap.
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You don't have to have Teflon needle bearings to spray lacquer through an airbrush, just be careful not to get it back into the needle bearing area that much and you will be fine.
The Omni 4000, 5000 and 6000 do not have Teflon needle bearings but they do have a needle bearing made of a solvent resilient rubber type compound called, "Calrez" which has characteristics similar to Teflon.
A bottom feed does not need to be cleaned any different than a gravity-feed, it just has a bottle and siphon tube to clean as you mentioned. Removing the needle each time is not necessary unless you are paranoid of paint drying in there.
I hope this helps.
Mike
“Wisdom is the right use of knowledge. To know is not
to be wise. Many men know a great deal, and are all the greater fools
for it. There is no fool so great a fool as a knowing fool. But to know
how to use knowledge is to have wisdom. " Charles Spurgeon