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PostPosted: Thu Jan 23, 2020 9:29 pm 
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Joined: Thu Mar 24, 2016 7:33 pm
Posts: 263
Location: Yukon
I tried calking my Ruger Airhawk today after it sat since last summer. I couldn't get the spring to catch after about 6 tries so pulled it apart and found my spring sleeve dented from contact with the calking lever. The sleeve was dented enough that the spring was pinched inside the sleeve and took some force to remove. It is a sub 500 model. I can order a new sleeve except this is the second sleeve this rifle has smashed within a half tin of pellets. Probably not worth the $40 bucks I spent on replacing the sleeve last summer. What do you think?
Is it worth cutting the sleeve off where it is dented or should I try to reshape it so it wont pinch again? Or is this a bad idea and wont work? Anyone else have this issue. Until I understand the cause I am very reluctant to order parts again? It worked fine for 100 rounds after my last repair.
Any thoughts would be appreciated.
thanks in advance


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PostPosted: Thu Jan 23, 2020 9:42 pm 
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can you post a pic

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PostPosted: Thu Jan 23, 2020 10:38 pm 
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Joined: Thu Mar 24, 2016 7:33 pm
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Location: Yukon
Ace wrote:
can you post a pic


Not sure how to do that?


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PostPosted: Thu Jan 23, 2020 11:23 pm 
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you know how to send it in an email ?

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PostPosted: Fri Jan 24, 2020 12:47 am 
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Location: Victoria, B.C.
I know what you mean. Same thing happened with me before when i had an airhawk. If i understand it correctly the issue is from cocking the rifle without the stock screws in place. The cocking linkage in these rifles rely on a secure stock to work without molesting other parts of the rifle. What i initially tried doing was cutting a beer can into one long 3.5-4inch wide flat stock of metal, spiraled it into a coil and dry fitted it into the compression tube with the spring so it gave you a dimension to work with. Pull it out and cut off the length accordingly so it leaves you a tight cylindrical piece immitating the sleeves dimensions. At the top you need to make a series of triangulat cuts to fabricate the dimensions of the top of the sleeve.

https://youtu.be/q4H3THAzhrA

If the spring twang is still there, try using the flat stock off a 2 litre bottle.

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PostPosted: Fri Jan 24, 2020 8:53 am 
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Joined: Thu Mar 24, 2016 7:33 pm
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Location: Yukon
Ace wrote:
you know how to send it in an email ?


that I can manage


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PostPosted: Fri Jan 24, 2020 9:06 am 
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Location: Eastern Townships
Hi Tango,

I had this very problem on my Umarex Surge ang Ruger Blackhawk (both under-500), which are mechanical copies of your Airhawk. I removed the sleeves, tried the rifles and all was good, no twang and no other issues whatsoever. If you feel the need for it, as TropicalMonkey mentionned you can make another sleeve, preferably out of plastic, but it's not mandatory for the gun to work well. If you have Moly paste, lightly lube the spring and inside wall of the piston, it'll help. :)


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PostPosted: Fri Jan 24, 2020 9:16 am 
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Joined: Thu Mar 24, 2016 7:33 pm
Posts: 263
Location: Yukon
TropicalMonkey wrote:
I know what you mean. Same thing happened with me before when i had an airhawk. If i understand it correctly the issue is from cocking the rifle without the stock screws in place. The cocking linkage in these rifles rely on a secure stock to work without molesting other parts of the rifle. What i initially tried doing was cutting a beer can into one long 3.5-4inch wide flat stock of metal, spiraled it into a coil and dry fitted it into the compression tube with the spring so it gave you a dimension to work with. Pull it out and cut off the length accordingly so it leaves you a tight cylindrical piece immitating the sleeves dimensions. At the top you need to make a series of triangulat cuts to fabricate the dimensions of the top of the sleeve.

https://youtu.be/q4H3THAzhrA

If the spring twang is still there, try using the flat stock off a 2 litre bottle.


Thanks for the link, I will check it out.


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PostPosted: Fri Jan 24, 2020 9:18 am 
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Joined: Thu Mar 24, 2016 7:33 pm
Posts: 263
Location: Yukon
airmec wrote:
Hi Tango,

I had this very problem on my Umarex Surge ang Ruger Blackhawk (both under-500), which are mechanical copies of your Airhawk. I removed the sleeves, tried the rifles and all was good, no twang and no other issues whatsoever. If you feel the need for it, as TropicalMonkey mentionned you can make another sleeve, preferably out of plastic, but it's not mandatory for the gun to work well. If you have Moly paste, lightly lube the spring and inside wall of the piston, it'll help. :)



Thanks for that. I didnt realize it could work without the sleeve. I will reasseble without and try again. If all good will try the beer can mod. The factory sleeve is pretty hard steel, though thin. Hard to imagine light aluminum will do the same job.

thanks to all


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PostPosted: Fri Jan 24, 2020 10:23 am 
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Location: Victoria, B.C.
Forgot to mention that yes it will work without the piston sleeve, you just might get a lot of spring twang. Yours is sub 500 so maybe it wont twang as bad. Hopefully moly paste is all you need!!


tango wrote:
airmec wrote:
Hi Tango,

I had this very problem on my Umarex Surge ang Ruger Blackhawk (both under-500), which are mechanical copies of your Airhawk. I removed the sleeves, tried the rifles and all was good, no twang and no other issues whatsoever. If you feel the need for it, as TropicalMonkey mentionned you can make another sleeve, preferably out of plastic, but it's not mandatory for the gun to work well. If you have Moly paste, lightly lube the spring and inside wall of the piston, it'll help. :)



Thanks for that. I didnt realize it could work without the sleeve. I will reasseble without and try again. If all good will try the beer can mod. The factory sleeve is pretty hard steel, though thin. Hard to imagine light aluminum will do the same job.

thanks to all

_________________
Air Arms Tx200 .22 LH Walnut pg3 High Output
Artemis M11 .25 Shrouded
Beeman P17
Benjamin Maximus .22
Crosman 788
Diana AM03 "Stealth" .177 Diana ZR Mount


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PostPosted: Fri Jan 24, 2020 8:26 pm 
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Joined: Mon Aug 26, 2013 12:19 pm
Posts: 113
Location: Alvinston, Ontario
I also cocked gun not in the stock. Big dent, sounded and felt like ????, bad. Cut sleeve, not an issue, worked perfectly. 960fps Crosman pointed, 820fps JSB 10.3g

Sent from my LG-H873 using Tapatalk


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PostPosted: Fri Jan 24, 2020 8:55 pm 
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Joined: Wed Dec 18, 2019 1:15 am
Posts: 83
Location: Victoria, B.C.
The cocking shoe normal trajectory deviates into an inward angle pushing all the cocking force into that portion of the piston sleeve leading to that dent. The only thing that corrects that are the stock screws since the linkage pushes off of them

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Air Arms Tx200 .22 LH Walnut pg3 High Output
Artemis M11 .25 Shrouded
Beeman P17
Benjamin Maximus .22
Crosman 788
Diana AM03 "Stealth" .177 Diana ZR Mount


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PostPosted: Fri Jan 24, 2020 11:47 pm 
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Joined: Thu Sep 01, 2005 1:41 pm
Posts: 1002
Location: GTA
I think many of us have rented the guide by cocking without the stock. For me it was because I wanted to test it before putting it back in the stock.

I was able to fix mine. I removed it, inserted a piece of pipe almost the size of the guide and hit it with a hammer. It removed the dent and works fine now.


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PostPosted: Sat Jan 25, 2020 12:31 pm 
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Joined: Thu Mar 24, 2016 7:33 pm
Posts: 263
Location: Yukon
Great information from everyone. Thats why i like hanging out with you guys.
thanks


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