Anyone got a link to a BB Manual: EAA downloads, manual & diagram for Biathlon Basic - RimfireCentral.com Forums

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Old 09-05-2007, 03:54 PM
Red Tornado
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Anyone got a link to a BB Manual



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I want to do a detail strip of my BB, but I hate to take things apart if I don't have directions to put them back together. Anybody know of a website that shows how to break down, and more importantly, reassemble.
Thanks,
RT

Last edited by aom22; 10-02-2007 at 08:10 PM. Reason: Restore title
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Old 09-05-2007, 05:49 PM
twg
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The EAA manual won't help you.

The EAA manual won't help you. It doesn't cover disassembly. Removing (pull up) on the pin at the back of the action allows you to remove the bolt for cleaning. Any scope you have mounted will get in the way. I know bolt removal was covered in detail in this forum, but I couldn't find it with the search. I usually just use cotton swabs and spritzing CLP in there to get where I can with the bolt open.
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Old 09-05-2007, 06:55 PM
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Biathlon Basic Diagram

Couldn't find an instruction manual to download
But, I did find a parts diagram ... might help.

European American Armory Corporation: Biathlon Basic
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Old 09-05-2007, 07:23 PM
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Biathlon Bolt Action Rifle

Quote:
Originally Posted by twg View Post
The EAA manual won't help you. It doesn't cover disassembly ...
twg is right ... not much help.


European American Armory Corporation: Biathlon Bolt Action Rifle: Instruction Manual
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W. Edwards Deming ... Quality: It is not enough to do-your-best;
you must know what-to-do, and ... then ... do-your-best.
Ever-Onward ... Through the Fog ---- Fort Stockton TX 79735

Last edited by aom22; 09-05-2007 at 07:46 PM. Reason: Color Text
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Old 09-05-2007, 11:08 PM
BigSaucy
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Don't know if this will help but here is the manual. This guys page is a fine resource lots of good stuff.

http://stevespages.com/pdf/eaa_biathlon.pdf

oops I didn't see your link AOM but there are a lot of other good things to explore here.
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Old 09-06-2007, 10:06 AM
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Steve's Pages: Interesting Site

Quote:
Originally Posted by BigSaucy View Post
oops I didn't see your link AOM but there are a lot of other good things to explore here.
BigSaucy ... You're right,
Steve's Pages is a good site to explore.
It is always a good idea to have an alternate source
for the same information.
Things come and go ... so often ... on the internet.
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W. Edwards Deming ... Quality: It is not enough to do-your-best;
you must know what-to-do, and ... then ... do-your-best.
Ever-Onward ... Through the Fog ---- Fort Stockton TX 79735

Last edited by aom22; 09-06-2007 at 10:09 AM. Reason: Restructure Text for Easier Reading
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Old 09-06-2007, 09:01 PM
Red Tornado
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Thanks guys,
I've got the manual from Steve's pages, my favorite part is

Quote:
Follow procedures for dissambly of bolt action rifle as described previously.
Of course, it's not described previously or I'd have a clue.

I guess I'll just be careful and line up everything in order. Theoretically, I should be able to detail strip from the schematic, right?
RT
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Old 09-07-2007, 12:27 PM
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Reason to completely strip bolt

Why do you feel compelled to strip the bolt?
Unless a part needs to be replaced, there is no imperative reason to completely disassemble the bolt.

If it ain't broke ... don't fix it.

If I were you, I'd contact RAA and request an Illustrated Parts Breakdown for you rifle.
This parts diagram, if they can provide one, would show how the parts are aligned relative to each other.
As well as providing parts numbers in the event you need to order something.



__________________
W. Edwards Deming ... Quality: It is not enough to do-your-best;
you must know what-to-do, and ... then ... do-your-best.
Ever-Onward ... Through the Fog ---- Fort Stockton TX 79735

Last edited by aom22; 10-02-2007 at 05:25 PM. Reason: Remove Text and Image
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  #9  
Old 09-10-2007, 10:40 AM
Red Tornado
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Right AOM. I actually didn't mean detail strip, I wasn't thinking about bolt disassembly. (I hate taking bolts apart) But I was wanting to get complete instructions so I could basically have enough understanding to possibly lighten the trigger.
J
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Old 09-10-2007, 07:45 PM
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Red Tornado....

adjusting the trigger on the BB is fairly easy once you know how to do it and Midwest Swiss was kind enough recently to post a link to how it is done. I am not sure where that link went, but I can direct you to a picture that will show you how to do the job. Go to this thread here:

https://www.rimfirecentral.com/forums...d.php?t=140660

and scroll down to midwest swiss' post. The first picture shows the trigger unit. If you look you will see two springs, one larger and one smaller. The smaller one is the spring you are concerned with. The green arrow shows you which pin to drive out to remove the trigger assembly. The spring hooks onto a tab that is part of the trigger assembly frame at one end, and on to an adjustable threaded retainer at the other end. In the pic the end you want is at the bottom of the spring. This retainer is basically a flat sided bolt with a hole in one end that the spring hooks into. You need to remove the spring (which can be a bit tricky) then unscrew the threaded retainer a couple of turns to reduce the tension on the spring when you put it back on. After you back it out a couple turns, you have to put the spring back on. This is the tough part. I ended up opening up the bends on the end of the spring a little to make it easier to hook it back up on both ends.

Initially I actually tried a lighter spring, but it ended up way TOO light. The factory spring seems to allow you to get the pull weight down to under a pound, once you adjust it.
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Old 09-12-2007, 01:35 PM
Red Tornado
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Thanks bmus,
That explanation makes it very clear...I think I can handle it now. I'm pretty anal about wanting very clear instructions before I start working on something, especially a gun I love. I save blind experimentation for Mosins and $50 pawn shop beaters.

It looks like I've got something to do this weekend.
RT
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  #12  
Old 09-12-2007, 05:28 PM
beammeupscotty

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Happy I could help RT...

I doubt I would ever have figured it out on my own, so thanks to Midwest Swiss as well. My BB trigger was nice when I got it, but far heavier than I was accustomed to. If I hadn't been able to reduce the pull weight, I would probably have ended up selling it. Now though, it's a keeper. Good luck with yours.
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