Harbor Freight 43430 "purple" gun - Page 2 - Hot Rod Forum : Hotrodders Bulletin Board
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  #16 (permalink)  
Old 05-17-2006, 01:11 PM
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Ireland, You need more than 10 PSI out of that regulator. That 23/10 means 23 PSI inlet pressure at the gun and 10 PSI at the CAP.

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Old 05-17-2006, 02:01 PM
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Oldred,
That's what I said, or at least what I meant - a regulated 23 pounds out, which hopefully translates to ~10 at the cap.

I take back what I said about the HF having a better (looking at least) air regulator than my high buck reg.
The HF piece is a broken PO---- !!!

I tried my good reg on the gun after I couldn't control the air - it was either at 80#, the set compressor output or zero with no adjustment in between. Looks like I will be the owner of 2 expensive regulators. Gas wise in my Guzzle8 F150 4x4 it is cheaper to buy one at Lowes, 5 miles away than exchange the gun at HF which is a 40 mile round trip
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Old 05-17-2006, 02:20 PM
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'scuse me I misunderstood I thought you meant you were regulating the pressure to 10 PSI at the gun inlet.
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Old 05-17-2006, 09:39 PM
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Alright I bought one of these purple guns to use at work. I am spraying cabinets and furniture that we make. It is spraying wonderfully! But from experience I know it wont last. What is it that goes wrong with these guns and makes them spray bad after a while? I also am wondering if you can find parts for it. It uses most of the same parts as our old $100 ampro gun but not all the same. The lacquer we use is very hard on the reservoir and lid. They go first. I think we are going to stick with this gun sense it does a nice job and we tend to destroy them! They are easy to find and cheap!
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Old 05-17-2006, 09:52 PM
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The touch up gun is on sale june 2,3,4 for $8.99 thats at least in the flier they gave me the other day...
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Old 05-18-2006, 06:16 AM
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Quote:
Originally Posted by weirdbeard
Alright I bought one of these purple guns to use at work. I am spraying cabinets and furniture that we make. It is spraying wonderfully! But from experience I know it wont last. :
I have had several of the 43430's for over a year now and they still spray as well as when I purchased them. I completely disassemble and clean them EVERY time I use them. You cannot clean a gun by simply running a cup of thinner or solvent through it.

Vince
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Old 05-18-2006, 10:11 AM
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How far do you disassemble it? I always remove and clean the air nozzle, needle, tip. and reservoir. Then I will use a round cleaning brush and clean the inside of the gun. Thats the part that I worry about because you cant reach it very well. The conversion varnish we use dries quickly and with no air needed so I am sure it builds up in the hard to clean places over a days use. We get a year max out of a gun.

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Old 05-18-2006, 11:49 AM
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I clean mine the same, you could soak your gun in lacquer thinner to soften the residue so it can be brushed out. The stuff I use, which is catalyzed is not allowed to start to kick or setup in the gun. After I empty the cup and I am finished spraying I will put a little lacquer thinner in the cup swish it around, dump it out then add a little more to spray out. I then remove the cup, air cap, air nozzle, and needle. Brush everything clean with lacquer thinner, blow dry and reassemble.

I have a cleaning kit that I purchased from Spraygun Depot that has a selection of brushes, both large and small enough to clean the air passages in the air cap and nozzle.

Vince
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Old 05-18-2006, 03:26 PM
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Yep. I have been doing the same. My co worker on the other hand sometimes lets the gun sit over a weekend with the junk still in there! I have tried soaking in lacquer thiner but that always seems to mess up the seals. It is good to know that if you clean the gun well it will last.
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Old 05-18-2006, 04:56 PM
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me personaly i am not to fond of the harbor freight tools, but some of my partners have had great luck with them. good luck!
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Old 05-19-2006, 03:03 PM
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Love their instructions

Finally reading the instructions for my new 43430 gun. What crap!

Pg 5, Item #4 says turn on the air supply and adjust the regulator to between 15 and 50 psi, at the gauge. A pressure delta of 35 pounds sure can make a difference. My Devillbiss says 23 psig makes 10 at the nozzle.What really makes 10 psig on the HF gun ? How can I measure this? Has anyone made up a pressure output measuring gauge? Any sketches? Buy one from DeVillbiss, Binks or Sata?

Or, do you just say @#%& it, check the pattern and paint?
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Old 05-19-2006, 03:34 PM
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Irelands child, not to got off the subject, and I dont mean to hijack the thread but I have a devilbiss finishline 3 I just got, what psi are you shooting your paint with the triger pulled, because 23 psi is alot isnt it with a hvlp? I was using my freinds compressor and setting his wall regulator at 60 psi, then adjusting the gun regulator @ 23 psi , or around there, what am I doin wrong?

chris
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Old 05-19-2006, 04:02 PM
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Ireland, At first I was quite disappointed with the 43430 but after seeing some of the guys are using higher pressure I increased it to 40-45 PSI at the inlet and that did the trick. Those instructions are just a bad joke IMO so you have it right when you just say @#%& it and set the pattern. Some of these guys have a heck of a lot more experiance with those things than I do so I may get corrected a bit but 40-45 PSI worked great for me. Kind of makes one wonder about that HVLP claim
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Old 05-19-2006, 04:03 PM
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I don't think you have hijacked this - this discussion has wandered all over the place !!!!

A Finishline lll with 23 pounds showing on the
regulator gauge is SUPPOSED to be 10 pounds at the nozzle - the correct spraying pressure according to Devillbiss. Is the pattern correct? do you have a lot of material escaping rather than being laid out on a panel?
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Old 05-19-2006, 04:17 PM
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Oldred,
The same gun, or at least its' twin brother is being sold by Lowes in Saratoga Springs, NY as a gravity feed, non-HVLP under Ingersoll-Rand name #221117/Model 210G. It uses the exact same 1.4mm tip as HF.
This is really the basis for my circuitous questions in this thread. I intend to set my pattern using my multi-hued garbage can, turn up the pressure as necessary and spray epoxy and primer surfacer. @#*%& it !!!
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