What On Earth Is This?

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PostPosted: Thu Oct 10, 2013 5:02 pm
I do believe it is.
i'd recommend a penetrating oil like kroil
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PostPosted: Fri Oct 11, 2013 1:18 am
twistedoak wrote:I do believe it is.
i'd recommend a penetrating oil like kroil


Thanks, 'Oak. I'll give it a try.

Regards,

Mark.
Came late in life to shooting but is making up for lost time...
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PostPosted: Mon May 25, 2015 10:58 am
twistedoak wrote:I do believe it is.

Well, *finally*, I've managed to get the stock off. And, "yes", 'Oak - you were correct... :)

I'll have to take some photos of the top of the tube because I can see no sign of a retainer for the action spring. I'm pretty sure that youse guys are gonna groan when you see what it's like...

Now, for a spot of light relief; I've been using my Chiappa 1887 for the last year and a bit because I've broken *all* of my Ithacas and I'm having trouble emailing Ithaca. So, for your entertainment, I present a stage from our last club match:

https://www.youtube.com/watch?v=QaztoqH5HFM

Bye fer now.

Regards,

Mark.
Came late in life to shooting but is making up for lost time...
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PostPosted: Mon May 25, 2015 3:46 pm
you need to remove the stock,then push out the 2 pins that retain the trigger pack.
the trigger pack covers up the retaining pin.
it would be located in the space right behind where the rear of the trigger guard would be.
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PostPosted: Mon May 25, 2015 11:58 pm
G'morning, 'Oak.

twistedoak wrote:the trigger pack covers up the retaining pin.
it would be located in the space right behind where the rear of the trigger guard would be.


Yes, I've already had the trigger pack out. I don't recall there being anything that looked like a retaining pin. I'll have to look again...

Regards,

Mark.
Came late in life to shooting but is making up for lost time...
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PostPosted: Sat Nov 07, 2015 2:11 pm
Here's a photo of the rear of my receiver. This is what it looks like. What *should* it look like?

http://i1320.photobucket.com/albums/u52 ... bpo5nk.jpg

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Mark.
Came late in life to shooting but is making up for lost time...

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PostPosted: Sat Nov 07, 2015 3:08 pm
That is the receiver buffer. That is factory, and it is know to go bad as well as the round one in the bolt. The bolt return spring is also known to be a bit to short from the factory. If one or a combination of these three parts go bad the bolt carrier will break. The supply of bolt carriers have been exhausted as this is a fairly common problem however there has been success in welding broken ones. The other three parts are fairly easy to come my in the US and should be replaced for preventive maintenance. I however I don't know what kind of parts availability you'll find across the pond.
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PostPosted: Sat Nov 07, 2015 4:23 pm
as catcher said the its the receiver buffer its in need of replacing.
it looks as it should however its old and is brittle and deformed in the contact area.it will eventually crack from impact as its not designed to take the recoil impact
if you notice the flare on the tube for the action spring its dented in several places .
it should be round also notice the small shelfs of metal directly under the buffer are deformed.
this is because of a weak action spring/bolt return spring ,its allowing the slide link to enter the tube to far and is bottoming out against the slide.
this is what causes them to crack
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PostPosted: Sun Nov 08, 2015 2:11 am
1977cutcher wrote:That is the receiver buffer. That is factory, and it is know to go bad as well as the round one in the bolt. The bolt return spring is also known to be a bit to short from the factory. If one or a combination of these three parts go bad the bolt carrier will break.

Yes, I'm aware that it's advisable to replace the buffers and spring. I was really posting to find out about the action spring retaining pin - my gun doesn't seem to have one and I can't figure out where it would go.
The supply of bolt carriers have been exhausted as this is a fairly common problem however there has been success in welding broken ones.

Luckily, our club has a good welder turned jeweller so I'm going to get him to have a go at my broken carrier after I've obtained the spare parts.
The other three parts are fairly easy to come my in the US and should be replaced for preventive maintenance. I however I don't know what kind of parts availability you'll find across the pond.

I don't think that this will be a problem, though it won't be cheap what with postage and HMRC fees.
twistedoak wrote:if you notice the flare on the tube for the action spring its dented in several places . it should be round also notice the small shelfs of metal directly under the buffer are deformed.
this is because of a weak action spring/bolt return spring ,its allowing the slide link to enter the tube to far and is bottoming out against the slide.
this is what causes them to crack

Ah, *this* is what I was after - I *thought* that that area looked a bit beat-up.

Question is, where does the spring retaining pin go? Does it fit in the area that's been, um, "re-worked"?

I'd very much appreciate a photo of this area that *hasn't* been knackered to compare it with mine.

Thanks for your replies, chaps.

Regards,

Mark.
Came late in life to shooting but is making up for lost time...
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PostPosted: Sun Nov 08, 2015 9:58 am
Image
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PostPosted: Sun Nov 08, 2015 12:11 pm
Ah. Yes. Yours looks just *slightly* different to mine. :)

It all becomes clear. I can now even see the retaining pin's hole in my photo even though I never spotted it when I looked at the gun - why I didn't see that before, I don't know.

I also now see why my bolt carrier is broken...

Thanks for posting the photo.

Regards,

Mark.
Came late in life to shooting but is making up for lost time...
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PostPosted: Sun Nov 08, 2015 12:56 pm
mine has been repaired.
I was able to work out some of the deformation ,rounded the flare out again ,actually shortened it a small bit and polished it out for smoothness again.
just remember that whatever you do you don't want to break the "seal" between the spring tube and where it passes through the receiver.
the spring plunger that sits in there should freely move in and out of the spring tube without binding
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PostPosted: Sun Nov 08, 2015 1:49 pm
twistedoak wrote:mine has been repaired.
I was able to work out some of the deformation ,rounded the flare out again ,actually shortened it a small bit and polished it out for smoothness again.
just remember that whatever you do you don't want to break the "seal" between the spring tube and where it passes through the receiver.
the spring plunger that sits in there should freely move in and out of the spring tube without binding


It'll probably be some time before I get my '51 sorted out because the '37s come first. However, I'll bare all this in mind when I *do* get around to gettin' it fixed.

Once again, thanks for your help.

Regards,

Mark.
Came late in life to shooting but is making up for lost time...
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