Author Topic: 3m PPS System for a Fuji Gxpc spray gun  (Read 12926 times)

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Offline Tim Raleigh

  • Posts: 3472
    • Oakville Cabinetry
Re: 3m PPS System for a Fuji Gxpc spray gun
« Reply #30 on: April 27, 2016, 07:17 PM »
Yes, but nobody believed me.

Tom

LOL

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Offline wptski

  • Posts: 443
Re: 3m PPS System for a Fuji Gxpc spray gun
« Reply #31 on: April 27, 2016, 07:43 PM »
Here's another one!  Tom stated that he's kept water based material for two weeks with no issues.  I just kept water based poly for three weeks.  The only issue I had and maybe everyone else has seen this also but dried material cakes up on the spout possibly ending up on your target.  I think I had a couple of specs from this on my second coat.  On the third coat today I used a fresh lid and not a spec anywhere was to be found! [big grin]

Now the kicker.  While dumping the unused material back in the can I find that I used two liners.  How many have done the same?
Bill
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Offline tjbnwi

  • Posts: 5261
  • Cedar Tucky Indiana
Re: 3m PPS System for a Fuji Gxpc spray gun
« Reply #32 on: April 27, 2016, 08:07 PM »
I have had issue with the product drying on the nozzle. What I do now after each spray session is a damp tooth brush across the air cap and nozzle. Make sure you unplug the cup pressure line before you pull the trigger to do the scrub down.

Store the gun upside down if you're storing it with fluid in it for a few days.

I've never been able to get the lid on with 2 liners in the cup.

Tom

Offline wptski

  • Posts: 443
Re: 3m PPS System for a Fuji Gxpc spray gun
« Reply #33 on: April 27, 2016, 08:19 PM »
I have had issue with the product drying on the nozzle. What I do now after each spray session is a damp tooth brush across the air cap and nozzle. Make sure you unplug the cup pressure line before you pull the trigger to do the scrub down.

Store the gun upside down if you're storing it with fluid in it for a few days.

I've never been able to get the lid on with 2 liners in the cup.

Tom
Sounds like you got a product bath in the past? ;D

I flushed the gun after every use but I did learn that that poly dry fast and sticks like glue to the air cap so tosh it in soapy water while flushing the gun.  I tore it down for a good cleaning today.

Those liners must have really been stuck together because I had no problem with the lid, three times too!
Bill
Most Confused!

Offline tjbnwi

  • Posts: 5261
  • Cedar Tucky Indiana
Re: 3m PPS System for a Fuji Gxpc spray gun
« Reply #34 on: April 27, 2016, 08:32 PM »
Never got a bath, it a habit of mine to disconnect the cup when I park the gun. It's a just incase habit.

Tom

Offline wptski

  • Posts: 443
Re: 3m PPS System for a Fuji Gxpc spray gun
« Reply #35 on: April 28, 2016, 11:45 AM »
I had an idea, I wondered if I heard no air leak while using the large cup because had two liners inserted?  Sure enough, I tried two with the mini cup and no air leak.

I still had a email response from 3M about the PPS system so I emailed them yesterday.  I just got a response and I told them that it doesn't leak with two liners inserted.  See what they respond.
Bill
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Offline wptski

  • Posts: 443
Re: 3m PPS System for a Fuji Gxpc spray gun
« Reply #36 on: May 04, 2016, 07:59 AM »
My inquire at 3M got pasted up the ladder.  They suggest that I might have applied more than 10psi to the cup which I didn't.  They said although annoying it shouldn't affect its operation as long as it's only air leaking.

Okay, lets try that again!  Liners are stacked so I grabbed two from the top.  Lids are loose in a box so that's like drawing out of a hat.  Just using water, the mini-cup leaked so bad this time that it couldn't even push the air from the cup.  I even tried attaching to the adapter while leaving the cup loose to self-align itself first but it still leaked.  Added a second liner, again no leak.  One could cut off one liner at the large point near the lip and just use that with another liner.

Since nobody else here has mention leaks this bad, I can only assume that there are defective lids, liners or cups out there.  I did tell them about this bad leak but they haven't replied yet and I doubt if they will.

Bill
Most Confused!

Offline wptski

  • Posts: 443
Re: 3m PPS System for a Fuji Gxpc spray gun
« Reply #37 on: May 12, 2016, 07:27 PM »
Wasn't it mentioned in this thread or others that some are reusing lids/liners?  I've only used PPS with poly and now with black latex.  The black latex gets stuck underneath the outside edge of strainer in the lid but I didn't notice this with the poly although it's very thin and rinses off easily.  Tried scrubbing with a gun cleaning brush which didn't touch it at all.  Had to remove the strainer and scrub it off then.  I do strain first anyway.  Maybe it was just reusing the liners only??
Bill
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Offline tjbnwi

  • Posts: 5261
  • Cedar Tucky Indiana
Re: 3m PPS System for a Fuji Gxpc spray gun
« Reply #38 on: May 15, 2016, 09:01 PM »
I reuse the liners only, up to 8 times. I do not reuse the lids except in the same spray cycle.

Tom

Offline Mike27520

  • Posts: 2
Re: 3m PPS System for a Fuji Gxpc spray gun
« Reply #39 on: August 28, 2017, 06:34 PM »
I see those mods were done a little over a year ago. Did they work well? What parts did you use and where did you purchase them? Please elaborate. Thanks, Mike

Offline wptski

  • Posts: 443
Re: 3m PPS System for a Fuji Gxpc spray gun
« Reply #40 on: August 28, 2017, 09:10 PM »
I see those mods were done a little over a year ago. Did they work well? What parts did you use and where did you purchase them? Please elaborate. Thanks, Mike
All parts was made on a 10" metal lathe I own, all worked better than the OEM setup, being to rotate the PPS allows better weight distribution to your wrist.  Make the new hex fitting with a Push To Release connector removing the barb(which I had to cut off) makes it easier also.

The fluid coupler was made out of stainless steel and the air fitting out of aluminum with an added "O" ring to seal any possible leaks.
Bill
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Offline Mike27520

  • Posts: 2
Re: 3m PPS System for a Fuji Gxpc spray gun
« Reply #41 on: August 28, 2017, 09:31 PM »
sent you a message.

Offline wptski

  • Posts: 443
Re: 3m PPS System for a Fuji Gxpc spray gun
« Reply #42 on: August 28, 2017, 10:08 PM »
Bill
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Offline Tim Raleigh

  • Posts: 3472
    • Oakville Cabinetry
Re: 3m PPS System for a Fuji Gxpc spray gun
« Reply #43 on: October 11, 2017, 11:18 AM »
Yes, but nobody believed me.

Tom

I believe everything you say [wink]