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Pioneer2
 Post subject: Slavia 624
PostPosted: Fri May 29, 2015 8:46 pm 
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Joined: Mon Aug 13, 2007 9:04 pm
Posts: 733
Looking for a replacement mainspring if available.Any ideas as no luck on the usual sites.Perhaps one of D+L's utility springs will be close? Leather piston seal most likely.Harold
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Chevota
 Post subject: Re: Slavia 624
PostPosted: Tue Jun 02, 2015 12:08 am 
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Joined: Sat Jan 25, 2014 9:16 pm
Posts: 1287
Location: United States
Best I can say is take yours out and measure it so you can find a similar size from somewhere. Vortek has a good selection.
A replacement doesn't have to be exactly the same, but if you need help just let me/us know. I'd need to get some measurements of both your old spring and some other parts to determine what your options are.
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Pioneer2
 Post subject: Re: Slavia 624
PostPosted: Tue Jun 02, 2015 6:14 pm 
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Joined: Mon Aug 13, 2007 9:04 pm
Posts: 733
30 coils........ID .457/OD .662 + wire dia. .101 synthetic seal surprisingly.......Harold
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Pioneer2
 Post subject: Re: Slavia 624
PostPosted: Tue Jun 02, 2015 9:11 pm 
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Joined: Mon Aug 13, 2007 9:04 pm
Posts: 733
Inside piston is .683 as well ,so not sure if they make that small a diameter spring?
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Pioneer2
 Post subject: Re: Slavia 624
PostPosted: Mon Jun 08, 2015 8:59 am 
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Joined: Mon Aug 13, 2007 9:04 pm
Posts: 733
I just found out a HW45 mainspring will fit the older Slavia air rifles but will need to be shortened from 34 coils to 30.Harold
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ricksplace
 Post subject: Re: Slavia 624
PostPosted: Mon Jun 08, 2015 10:07 am 
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Joined: Mon May 26, 2014 1:08 am
Posts: 822
Location: Thunder Bay
Pioneer2 wrote:
I just found out a HW45 mainspring will fit the older Slavia air rifles but will need to be shortened from 34 coils to 30.Harold


You might want to check out the Vortek site. They custom wind springs to your specified coil count and finish and grind the ends. All for less than $20 US.
I just installed one of their "docile" springs in a Ruger blackhawk elite. Shoots at 12 ftlbs. You would not know it is the same gun.

_________________
Theory is when you know how something works, but it doesn't.
Practice is when something works, but you don't know why.
In my shop, Theory and Practice are combined!
Nothing works and I don't know why.

Two lathes and too many projects
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Pioneer2
 Post subject: Re: Slavia 624
PostPosted: Wed Jun 10, 2015 11:59 am 
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Joined: Mon Aug 13, 2007 9:04 pm
Posts: 733
Called them and they don't make springs that small a diameter.So a shortened HW 45 spring is all there is this side of the pond. CZ in Czechoslovakia has them[but don't respond to e-mails] but no CZ company carries airgun parts in NA or so I was told. It's a 400fps plinker at best so it will be better than the worn out one in it now.Will have to look into the proper way to finish the end on a shortened spring.Harold
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Pioneer2
 Post subject: Re: Slavia 624
PostPosted: Thu Jun 25, 2015 10:45 am 
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Joined: Mon Aug 13, 2007 9:04 pm
Posts: 733
Had the HW45 spring shortened 2.5 coils and after lubing and installation it shot 8gr pellets at 350fps average and 6.5gr Beemans at 405fps.Back in the saddle again..........Harold
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tango
 Post subject: Re: Slavia 624
PostPosted: Tue May 10, 2016 10:33 am 
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Joined: Thu Mar 24, 2016 7:33 pm
Posts: 341
Location: Yukon
Pioneer2 wrote:
Had the HW45 spring shortened 2.5 coils and after lubing and installation it shot 8gr pellets at 350fps average and 6.5gr Beemans at 405fps.Back in the saddle again..........Harold


I know this is an old tread and I cant speak to the Slavia 624 but can say the Crosman Phantom under 500 spring seems to work well in my Slavia 620. If it was in better condition i would have tried the full power. Something about the long CZ barrels make this gun so very accurate.
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