Quincy QR 25 series model FF 350 compressor setup.

[Strouty]

DKMC, the tester is one that uses the gel, it does not take much gel to do a lot of testing. I did spot checks around the upper area, but my primary concern was the bottom of the tank, so I did a lot of tests in that area. According to what I have found, this tank is just under spec in one area, it measured 0.198 and it is supposed to have a minimum thickness of 0.199. Most areas were much thicker than that and I am not going to be using the tank at 200 PSI, I may even knock it back to 150, but right now I am at 175ish. I had a lot of experience using a different ultrasonic tester for measuring thickness on pipe legs of towers and wall thickness of water tanks. I ended up buying my particular one because it also could do the coating thickness, this is important on some structures.

 

[dkmc]

Thank you Strouty.....
PS discovered and spent a couple HOURS on your warehouse thread.
You and I have much in common.....I will post more there.

 

[Strouty]

If you have anymore questions, just ask. Hope to see you in the other thread too.

 

[250]

Out of the seam in the diaphragm and some of the bolts. When I took the old ones out there were stiff and cracks a plenty. I think replacing them is a reasonable place to start.

 

[Strouty]

Re: Big Quincy QR 25 series air compressor model FF 350

There is also an o-ring seal on the piston. I am taking things apart either today or tomorrow so I can see what needs to be ordered.

 

[Jmonnty]

I have that compressor, besides the diaphragm and seal you might need to replace the unloader plunger assembly, that goes out in mine every 5-6 years along with the seal. part 7532x according to the parts diagram

-Montgomery

 

[Strouty]

Good to know, I am going to pull it apart and see what things look like. I have to call the local distributor and see what they have. I found a few on ebay, they were not too bad a price, but they were for the entire unloader tower, thought maybe quincy would have a better price on the individual part.

 

[Jmonnty]

You don't need the entire tower, just those few parts, I replaced in mine about 6 weeks ago for ~$35, local distributor stocked all the parts.

 

[Strouty]

Good to know, I was not sure how expensive things would be. I will post pictures when I finally bust into it.