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 Post subject: AT44 barrel removal
PostPosted: Sat Nov 22, 2014 10:44 pm 
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Joined: Tue Aug 20, 2013 8:56 am
Posts: 1079
Location: Calgary, Alberta
So, took it all apart, removed the two set screws, but the barrel is wedged in tight. Tutorials state that once the two screws are removed, the barrel should slide out.

What am I missing??

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 Post subject: Re: AT44 barrel removal
PostPosted: Sat Nov 22, 2014 11:59 pm 
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Joined: Mon Sep 05, 2005 10:55 pm
Posts: 6845
Location: Rocky Mtn Hse Alberta
One more setscrew
There are three as I recall.
One is for the rear sight, two for barrel so keep digging :-)

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 Post subject: Re: AT44 barrel removal
PostPosted: Sun Nov 23, 2014 12:06 am 
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Joined: Tue Aug 20, 2013 8:56 am
Posts: 1079
Location: Calgary, Alberta
Voltar1 wrote:
One more setscrew
There are three as I recall.
One is for the rear sight, two for barrel so keep digging :-)


Well dang, I just can't seem to find it.

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 Post subject: Re: AT44 barrel removal
PostPosted: Sun Nov 23, 2014 7:33 am 
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Joined: Tue Jan 29, 2013 6:54 pm
Posts: 2411
Location: Northeastern Ontario
The following post has some information on barrel removal (once all the pictures come through): topic42992.html


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 Post subject: Re: AT44 barrel removal
PostPosted: Wed Nov 26, 2014 1:48 pm 
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Joined: Thu Feb 02, 2006 11:35 pm
Posts: 3099
Location: Alberta Canada
Handyguy wrote:
Voltar1 wrote:
One more setscrew
There are three as I recall.
One is for the rear sight, two for barrel so keep digging :-)


Well dang, I just can't seem to find it.


Some times, just some times. The grub screws are doubled up so that vibration doesn't loosen them off One is the holder the other is the jam securment....Just saying here...

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 Post subject: Re: AT44 barrel removal
PostPosted: Wed Nov 26, 2014 6:37 pm 
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Joined: Tue Aug 20, 2013 8:56 am
Posts: 1079
Location: Calgary, Alberta
Whitewolf wrote:
Handyguy wrote:
Voltar1 wrote:
One more setscrew
There are three as I recall.
One is for the rear sight, two for barrel so keep digging :-)


Well dang, I just can't seem to find it.


Some times, just some times. The grub screws are doubled up so that vibration doesn't loosen them off One is the holder the other is the jam securment....Just saying here...


Thanks Kim, I would never have guessed this. Now to go fishing for grub screws.

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 Post subject: Re: AT44 barrel removal
PostPosted: Fri Nov 28, 2014 7:25 pm 
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Joined: Tue Aug 20, 2013 8:56 am
Posts: 1079
Location: Calgary, Alberta
Whitewolf wrote:
Handyguy wrote:
Voltar1 wrote:
One more setscrew
There are three as I recall.
One is for the rear sight, two for barrel so keep digging :-)


Well dang, I just can't seem to find it.


Some times, just some times. The grub screws are doubled up so that vibration doesn't loosen them off One is the holder the other is the jam securment....Just saying here...


Yes Kim, there was a third grub screw tucked deep down....BUT THE EFFING THING STILL WON'T COME OUT!!
It feels almost like there is a snap ring in place. The barrel will move back and forth about .5 mm but will spin freely at each stop point.

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 Post subject: Re: AT44 barrel removal
PostPosted: Sat Nov 29, 2014 4:39 pm 
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Joined: Tue Aug 20, 2013 8:56 am
Posts: 1079
Location: Calgary, Alberta
Solved. When I twisted the barrel with the third screw still installed, a burnished edge was created. It was this edge that was acting as a snap ring. Took an aggressive approach to free the barrel and no serious damage was done.
Live and learn.

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 Post subject: Re: AT44 barrel removal
PostPosted: Sat Nov 29, 2014 5:15 pm 
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Joined: Thu Sep 11, 2014 10:59 am
Posts: 482
Location: West of Ottawa
Excellent! I was feeling for you. Glad you figured it out.

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 Post subject: Re: AT44 barrel removal
PostPosted: Sat Nov 29, 2014 6:23 pm 
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Joined: Sun Jul 15, 2012 10:49 am
Posts: 6029
Location: Victoria, BC and Clarkston, WA
Post mortem of course, but I wonder if some heat from a propane or butane torch would have helped?

Sometimes, if you can clamp the barrel tightly without slipping and causing damage, is to take a heavier hammer and piece of wood and hitting the aft of the receiver! Some of the .22lr rifles had a little bit of Loctite or some other adhesive to keep them in place because they fit just like most air rifle barrels. That and sometime hidden rust will lock a barrel up so tight you can't move it until you give it some persuasion.

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 Post subject: Re: AT44 barrel removal
PostPosted: Sat Nov 29, 2014 10:32 pm 
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Joined: Tue Aug 20, 2013 8:56 am
Posts: 1079
Location: Calgary, Alberta
rrdstarr wrote:
Post mortem of course, but I wonder if some heat from a propane or butane torch would have helped?

Sometimes, if you can clamp the barrel tightly without slipping and causing damage, is to take a heavier hammer and piece of wood and hitting the aft of the receiver! Some of the .22lr rifles had a little bit of Loctite or some other adhesive to keep them in place because they fit just like most air rifle barrels. That and sometime hidden rust will lock a barrel up so tight you can't move it until you give it some persuasion.


I doubt it, said burnishing was quite pronounced and a lot expansion would have been required to free up the barrel. Excessive heat may have damaged the anodizing.

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 Post subject: Re: AT44 barrel removal
PostPosted: Sat Nov 29, 2014 10:41 pm 
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Joined: Mon Sep 05, 2005 10:55 pm
Posts: 6845
Location: Rocky Mtn Hse Alberta
DougP wrote:
Excellent! I was feeling for you. Glad you figured it out.


Actually he didn't figure it out. Advice was given.
:-)

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