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Painting my car, water in-line problems...

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Old 06-06-2009, 10:45 PM
  #1  
NitroViper
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Default Painting my car, water in-line problems...

I been working on painting my car for weeks, its not very easy by yourself doing all the work. I'm to the final step applying the clear coat, but water is coming thru the line and coming out of my gun and ruining the clear coat...

Is there water traps or something other then the ones we have below? I dont know where to post it in this forum, are there any painting pros here? Or can you direct me to a professional painting forum?

Anyone know any tricks to get the water out? Yes we drained the tank lol.

we have two of these below..
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Old 06-07-2009, 07:46 AM
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Richbrad08
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I belive bryan told me the longer the line the less water you should have. i really dont know i painted my car 4-5 months ago and dident have a problem with water.
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Old 06-07-2009, 08:12 AM
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BlessedHellride
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They make air drier/filters that prevent this from happening. blow down your air lines real good before you start spraying, including the volume tank. Need to pull bottom on it also as there will be quite a bit of water built up and collected in the air receiver tank. You can buy a filter/drier from Harbor Freight for the cheap.
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Old 06-07-2009, 11:15 AM
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JD1969
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There are also filter that go in line right be fore the gun.
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Old 06-07-2009, 01:17 PM
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Fobra
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I ran the el cheapo campbell hausfield airfilter/dehumidifier, it works very well, I recommend running two, youl probably need to drain them 2 or 3 times while you spray.
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Old 06-07-2009, 02:50 PM
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NitroViper
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any of you guys painters? There is water spots in the clear all over the car.. Had to cover the base or we woulda had to scuff it down and spray it again before the clear because it would have been over 24 hours.

So the water spots, there is only 1 coat of clear on the car. I can sand them down with 1000 then 1500, but then what? the clear looks cloudy and it obviously needs more coats, should I just spray clear over the 1500 grit scuff? I'm kinda lost on what to do.
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Old 06-08-2009, 12:51 AM
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Fobra
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Well if you have bad spots then you need to take them down until smooth, you can use 600-800 (i dont know how thick you laid your clear). If you can take it down w/o fuggin your color coats then all you need to do is clean up the bad spots, sand the whole car w/ 800-1000 and re-clear. You can add some fisheye remover if you want, you may also not reduce the clear as much, but I wouldnt do that unless you half assed know what your doing. But anyway just re-clear, you may need to sprat another color coat. Next time you clear though make sure you do at least 6 coats. Yes I said 6. Then you will have plenty to cut and buff and it will look like glass.
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Old 06-08-2009, 09:06 AM
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JD1969
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Not a pro painter, but I have painted 15 or 20 cars over the years. What Forbra said is right. You don't need to sand it with 1000+ grit, 600-800 is fine, the clear will level in the scratches just fine. I prefer to add a cap full of reducer to my cup when I spray clear, I feel it lays down a lot better.
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Old 06-08-2009, 04:21 PM
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Obsequious1
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If your using a small compressor that has to run alot to keep you at a constant 30 45 psi, you accumulate more moisture.

I have one water trap when I do my painting and everything comes out great. Try installing a mini inline air hose water dryer or installing one on your gun.
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