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 Post subject: Loose Air Cylinder?
PostPosted: Fri Dec 23, 2016 12:05 pm 
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Joined: Thu Nov 21, 2013 9:16 pm
Posts: 37
Location: Central Florida
I am shooting an Anschutz 8002 S2 compressed air rifle.

Today, midway through a 10 bull target, I produced an underpowered shot that hit nearly 3" below my point of aim.
I immediately checked the air cylinder and discovered that it had come loose a couple of turns. I re-tightened the cylinder
and completed the match without further incident. Later, during a practice session, the same thing occurred and, once
again, the cylinder had come loose.

I checked the threads on the cylinder and they seemed fine, i.e., no damage. There appeared to be more grease on the
threads than I usually prefer, so I wiped them clean. I am (sic) perplexed and bewildered!

Any suggestions?

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 Post subject: Re: Loose Air Cylinder?
PostPosted: Fri Dec 23, 2016 12:20 pm 
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Joined: Sun Nov 04, 2012 3:55 pm
Posts: 942
Location: Lisbon, Portugal
Wipe the grease with a dry cloth and replace the o-ring.
The new o-ring should be enough to prevent the cylinder from unscrewing.

Hope this helps


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 Post subject: Re: Loose Air Cylinder?
PostPosted: Mon Jan 02, 2017 1:29 pm 
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Joined: Sun Mar 30, 2014 12:09 pm
Posts: 456
rmca wrote:
Wipe the grease with a dry cloth and replace the o-ring.
The new o-ring should be enough to prevent the cylinder from unscrewing.

Hope this helps


Are you suggesting keeping the threads dry with no grease, or to relube after you replace the O-ring? I was always under the impression tank threads should be lubricated to prevent galling.


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 Post subject: Re: Loose Air Cylinder?
PostPosted: Mon Jan 02, 2017 2:35 pm 
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Joined: Sun Nov 04, 2012 3:55 pm
Posts: 942
Location: Lisbon, Portugal
Andre wrote:
Are you suggesting keeping the threads dry with no grease, or to relube after you replace the O-ring? I was always under the impression tank threads should be lubricated to prevent galling.

No, I was suggesting wiping the excess off.
If there was too much lube on the treads as pardoctor said, then wiping them with a dry cloth should leave just enough for lubrication of the treads.
The pressure from a new o-ring should be enough to prevent the cylinder from unscrewing.

Hope this helps


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