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I have had good luck removing the fitting by doing so slowly in stages...
Posted by: Econguy (3155) on 2014-08-17 22:05:40 In Reply to: No way to remove the old fitting without shortening the air line? posted by Kneale Brownson on 2014-08-17 12:43:56	Share \| Report

If you unwind the fitting all the way while the spring is under pressure, you run the risk of the brass fitting being blown out of the plastic top of the spring and wiping out some of the theads.

I crack the fitting and let the air out in stages, a turn at a time... Psssssh, loosen, psssssh, loosen, psssssssssssh, loosen, et cetera.

I have had very good success with this method for the last half-a-dozen or so front end services I've done.

Ahem, when the leak develops around the brass fittings, a couple of wraps of teflon tape has worked well for me.

Oh, and I haven't had an issue with the airline being too short to trim. Just be frugal when you are trimming and keep it close to the ferrule. The factory ferule is crimped on, deforming the airline (you'll see the marks on the line if you remove it), and may prevent the new Arnott fitting from grabbing correctly.

Thread:

Arnott air fitting - Kneale Brownson 2014-08-17 12:33:55 (333 views)
- I only replaced the rubber o-ring on the old nut of the hose. - want 2014-08-17 21:53:16 (175 views)
- It's easy but takes a couple sentences to explain... - SEEKSar 2014-08-17 14:43:23 (232 views)
- Whatever you do, don't unscrew the fitting from the spring. Remove the white plug - snokarver 2014-08-17 12:40:54 (216 views)
  - No way to remove the old fitting without shortening the air line? - Kneale Brownson 2014-08-17 12:43:56 (213 views)
    - I have had good luck removing the fitting by doing so slowly in stages... - Econguy 2014-08-17 22:05:40 (185 views)
- Remove the plug. It holds the compression fitting that will grab the hose when push it in - Nogaro Nitwit 2014-08-17 12:34:55 (197 views)
  - Do I remove the fitting that's on the hose? Does that just pull off? - Kneale Brownson 2014-08-17 12:36:14 (197 views)
    - The old brass compression fitting on the hose should be pulled off. Either cut it or pry it off - Nogaro Nitwit 2014-08-17 12:50:22 (198 views)
      - But b aware, sometimes the new fitting might have a hard time gripping near the old fitting position - Nogaro Nitwit 2014-08-17 12:52:51 (205 views)
      - After it's inserted in the new Arnott, how does it get removed for future spring replacements?   -  Kneale Brownson  2014-08-17 12:52:42 (191 views)
        
        Just unscrew the fitting. It can transfer to the next Arnott spring, if it hasn't changed in size   -  Nogaro Nitwit  2014-08-17 12:53:57 (199 views)
        
        It will likely leak if you do that. Arnott told me to never unscrew it if I was going to reuse it.   -  snokarver  2014-08-17 13:40:55 (196 views)
        
        Teflon tape has solved the leaking threads issues for me.   -  Econguy  2014-08-17 21:30:38 (190 views)
        
        Tried that. Still leaked.   -  snokarver  2014-08-18 09:29:51 (165 views)
        
        I must have been really lucky 4 times. Of course, I've got the aluminum, not plastic, spring tops   -  haygood  2014-08-17 17:49:26 (178 views)
        
        Well then nevermind on reusing :-p   -  Nogaro Nitwit  2014-08-17 16:30:22 (177 views)

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