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Lyman 1A tang sight repair
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April 2, 2021 - 2:48 am
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I have a Lyman 1A tang sight that the collar below the knurled sleeve has came out of the stem body. The collar rotates with the turning of the knurled sleeve. I would like to know how the stem body comes apart. The collar is beveled on one side but the wrong side so unable to drive it down into the stem body. This is a vague description of the problem. PM me if more information is needed. Thank You. RR

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April 2, 2021 - 3:33 am
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Unusual problem.  So you’re saying the collar inside the rotating sleeve has become detached?  Can you raise & lower the stem by rotating the sleeve? 

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April 2, 2021 - 4:22 am
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 Clarence;

 No, it is the collar below the rotating sleeve. There is a slot in the body that part of the collar fits in, to keep it from rotating when the sleeve is turned. You can see in the slot where the collar is pinched together. There must be a way that allows the rotating sleeve and the collar to be removed but I do not see it.

  Thank you for your reply.

 RR

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April 2, 2021 - 1:23 pm
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That part of it is not meant to be taken apart.  What is your purpose for doing this?

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April 2, 2021 - 1:58 pm
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 Somehow the collar slipped out from under the lip of  the body and now rides between the kurled sleeve and the body of the sight. It is hard to explain. I will try to get some pictures today.   RR

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April 2, 2021 - 5:10 pm
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 See attachments;20210402_101019.jpgImage Enlarger20210402_095731.jpgImage Enlarger

Not sure why sights came out in the horizontal position but maybe you all can rotate to vertical position, makes easier to compare. Notice the collar right below the vertical adjustment sleeve on the top sight. It is between the kurled  sleeve and the sight body.  Should be like the one on the bottom. It looks like the only way to get it back is to take the sight apart. I know how to take the position adjustments apart but none of the examples that I have looked at show taking the vertical position items apart, but nothing about the kurled sleeve. Maybe only a factory job. If anyone has an idea, I sure would appreciate the help. Thank You. RR

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April 2, 2021 - 7:30 pm
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Win61 said  Maybe only a factory job.

That’s what it is. Looks like the slot in the base has been pried open slightly, which might have made the beveled rim that retains the collar loose enough for it to be pulled out of its position.   Question is, WHY?; somebody worked hard to tear it up. 

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April 2, 2021 - 8:57 pm
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 Clarence;

Thank You for your comments. I am afraid you are right ” Factory Job”. I had hoped that I could fix it. As to Why and How it ended up like this is anybody’s guess. SH. I will keep it for parts in case another one falls in my hands. I am sure that there is another one out there that somebody worked hard to tear it up. 

RR

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April 2, 2021 - 9:39 pm
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Win61 said
 Clarence;

Thank You for your comments. I am afraid you are right ” Factory Job”. I had hoped that I could fix it. As to Why and How it ended up like this is anybody’s guess. SH. I will keep it for parts in case another one falls in my hands. I am sure that there is another one out there that somebody worked hard to tear it up. 

RR  

Bases without stems & stems without bases show up often on ebay.  The only way I can imagine it was assembled at the factory was that the collar was inserted into the mouth of the base while it was its full width, & then the mouth was crimped down over the rim of the collar to hold it in place; a “one way” operation.

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