Question about RTO Sharpe Finex 3000 Hvlp Gravity Auto Paint Spray Gun 1.4

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The sharp finex 3000 hvlp paint gun. What is the settings of the factory air pressure knob at the bottom of the handle ? How many turns does this come from factory ?

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Posted on Jan 02, 2017

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There is a step by step description in the manual of the Finex3000 itself (incl. pressure set-up, etc...). In case you don't have it anymore, you can look online: http://sprayfinishingstore.com/manuals/

Posted on Jul 28, 2011

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Hey yall i got a sharpe finex3000 hvlp spray gun model sh-880 1.4 finish gun. and ive used this gun before and i cant remember how 2 set it up etc or what the best working pressure is. anyways i was tryen...


There is a step by step description in the manual of the Finex3000 itself (incl. pressure set-up, etc...). In case you don't have it anymore, you can look online: http://sprayfinishingstore.com/manuals/

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Air is coming out of the nozzle but the paint is not coming out.


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How to adjust the controles on my hvlp spray gun


your top adjuster is for the air (or to adjust the fan of the gun) turn it to make the fan wide or small.

the next one right below the top is for the material (paint, stain, etc) turn it in for less material or out for more. if you unscrew this one all the way you will be able to access the needle.

these is the two mane adjusters on a hvlp gun. you may have another adjuster on the bottom of the handle. this is your air presser regulator and will control the amount air going through the gun but i always use my own.
hope this helps

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1 Answer

ORANGE PEEL


Orange peel can be a really hard problem to diagnose. There are a number of things that can affect the spray pattern. I would start by doing some test spraying. Your air pressure is going to be a factor as well as the ration knobs on the gun. I would start by increasing the air pressure to the gun. Keep in mind that if you're regulator is at the tank the actual pressure at the gun is going to change based on the length of hose used. Generally speaking, more air pressure will disperse the fluids better, better dispersal better/smoother coverage. I'd start there and then tune on the knobs to adjust it. Keep playing with it until you get a pattern you're happy with. Then when you're done with that write down how many turns on each knob, and exact pressure, length of hose etc. This way when you clean the gun you can get it exactly the way you want it. Different products will also spray differently. You may need to adjust for each step in the painting process. I just had to go through this on my new gun and it took about an hour and a pint of clear to get it spraying well. Check out tcpglobal.com for paint and supplies. They have great prices and they also have a forum on painting. I am a user of their products and forum.

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1 Answer

I tried to adjust the regulator and the back just screwed off of the body - any ideas on how to prevent that?


Possibly you were trying to adjust the regulator without having air flowing through it. You must squeeze the trigger on the gun and have air constantly flowing through it otherwise the regulator knob is very hard to turn against the pressure inside it. To set an accurate pressure, squeeze gun trigger (while connected to air hose) to get air flowing... then twist regulator knob out (or in the "-" direction) until air flow reads 0 on the regulator gauge. Then start twisting regulator knob the other way until you reach the desired pressure on the regulator gauge. Also make sure the regulator is attached with air flowing the correct way through it. There should be an arrow somewhere on the regulator body which should be pointing toward your spray gun.

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Cleaned paint gun now fan is wide open and does not change with adjustment knob.


I have to assume that this did not happen before you cleaned your gun.

If your sure everything has been cleaned then how about lubricating all the internal moving parts, like your fan adjustment.

I worked in the paint repair department at Chrysler\Jeep. This was not the regular production so we did not use the electrostatic paint guns. We used regular cup guns and touch up guns, including Devillbiss JGAs and HVLPs. The one lesson I learned was the smallest speck of paint, if not cleaned out properly can make a huge difference in the performance of your gun. The reassembly process is also critical. It's not enough to make sure everything is in the right place but also assembled to the correct torque.

If you are still having trouble after a little oil then you should disassemble the gun again. This time (if you didn't do this the first time) make sure you disassemble the tip and air cap and clean them thoroughly. Make sure you have enough tiny brushes to get to all the hard to reach spots. Make sure you have the correct cleaner for the paint you used.
Some solvents\cleaners can turn the paint left inside guns to gel then that turns rock hard requiring you to let it soak overnight.
Again make sure you oil all the internal moving parts.
Hope this helps.

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Spray painting operation advice for Binks mach 1 hvlp spray gun


Hey paul its paul. I posted on here so hopefully you will give me some feedback. That is a very nice gun. One of my favorite. I'm guessing you know how to use a HVLP gun but if not here are a few tips. Make sure it is clean. Very clean. Your gun probably came with a manual, you should read it. It will help you greatly. First off, you want to have a regulator, about 40 psi is what i start with. You need a space you can practice some painting before laying down a new coat on the corvette. Haha. So next you will have a pressure adjustment knob, you want to start with this all the way closed and with the trigger pulled, just half way so just air is coming out adjust the air until it sounds even. Next you can try to spray. If it seems like the Fan, like the width is not enough you can adjust the fan, another knob, closer to the back of the gun, you ussually want about 5-6 inches of fan, if you are spraying at the normal 6-8 inches back from the piece. Last adjustment is the fluid adjustment, you want to put on a decent amount of paint, clear or primer, and not cause runs. This is going to take some practice because everyone moves at a different speed.

So you are going to have to play with your gun and figure out which knob does what. After that these instructions should get you a bit further, with some practice you will be laying down a nice paint job in no time.

Paul.

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