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-   -   Degreasing before Rust Bluing (http://parkerguns.org/forums/showthread.php?t=25097)

Brian Arthur 09-05-2018 08:10 AM

That's an interesting approach. Thanks for the insight into alternative methods to achieve the results I am after.

Tom Flanigan 09-05-2018 09:23 AM

It's a work around that will solve the problem of leakage when you are working the barrels. But long term, I think the rib should be properly relayed. You can PM me if you have any questions as you work the barrels or you can send a message to my email at thomas.j.flanigan@outlook.com

Jerry Harlow 09-05-2018 12:21 PM

I hate to say it but you absolutely do not want to now seal the barrels up and then blue, because you have already introduced water to between the ribs. That is why Fox, Ithaca, Savage and others used weep holes. Since you already have leaks you should have blown all of the water out with air and heat them with a heat gun to get the water out.

You should remove the streaked bluing, and immediately start rust bluing and boiling with the leak (top rib) up so the oil that does come out floats up and to the top of the water, thus not down and won't streak. I just set them in the tank on the lugs and do not suspend them. They rust no matter what you do. Either flood the tank to get rid of the oil since it is floating on top, or I have scooped it off. Finish bluing and after neutralizing the acidic bluing in cold water with baking soda, the last step is to put the barrels into water displacing oil. Let them soak, blow out the contaminated oil (which will be milky), and soak again, repeating until milky oil is gone. Then pull them out and let them hang. I had rather have leaky ribs that constantly had oil in them than ones sealed up with water present from the process you already started. Again my 2 cents.

Tom Flanigan 09-05-2018 12:30 PM

I totally agree that all moisture between the barrels must be removed before any more work is done. If you need to go the acraglas method, this still applies.

Frank Allegra 09-07-2018 04:22 PM

Reading your post. If you didn't get the barrels to a full boil and hot enough to evaporate the water after you pulled them out, could those be water stains? It seems that oil would stop the blueing and you would see evidence of it in your boiling tank. I'm not an expert but just a guess. Good luck.

Jerry Harlow 09-07-2018 06:52 PM

Quote:

Originally Posted by Frank Allegra (Post 252837)
Reading your post. If you didn't get the barrels to a full boil and hot enough to evaporate the water after you pulled them out, could those be water stains? It seems that oil would stop the blueing and you would see evidence of it in your boiling tank. I'm not an expert but just a guess. Good luck.

That's oil. It makes a dark streak that you have to take back out. Usually happens on the last bluing, after spending hours and having them ready but you want to do it one last time. Consider oneself lucky when it happens on the first bluing.

Tom Flanigan 09-08-2018 08:56 AM

Just a note on leaky Parker ribs......I have refinished a large number of Parker barrels since I started restoring barrels at 16 years old. I have seen relatively few leaky ribs. Maybe I've been lucky, but, in my experience, leaky ribs are generally something that I don't have to deal with, even on the early lifter guns. This is certainly a testament to Parker quality.

Judicious use of a good degreaser and acetone should eliminate any problems on most barrels, regardless of which rusting agent you use. Prep of the barrels is key to eliminating problems.

Brian Arthur 09-08-2018 11:20 AM

Update: I soaked the barrels in acetone for 3 days, then degreased them with simple green. After the first round of rusting, then boiling and carding, I'm happy to report that whatever leaking was occurring from the rib is not affecting the finish- whew!

Note that I am adding a 2 hour bake in the oven at 215F after carding to make sure any water under the rib gets dried out before starting the next cycle.

I'll post pictures when I am done, and update my other thread, "Learning on a Parker VH".

Thanks to all for the help and advice!

Tom Flanigan 09-08-2018 11:30 AM

Great news Brian.

keavin nelson 09-10-2018 02:15 PM

Alls well perhaps, but the rib is not sound, and likely will fail further with shooting???


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