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Conway Stewart 85L Clip Assembly/sac Size

GCS93

By GCS93
in Repair Q&A

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GCS93 NOS (New Old Stock)

GCS93

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Hello everyone! :)

 

I have recently acquired a Conway Stewart 85L

At them moment it is in a.. Well I guess it's actually in an okay condition, with a few very minor teeth marks (look like they're from a kitten), a slightly bent clip, no sac at all (atleast it looks like it..) and a nib that, although it looks like it maybe(?) had a tumble, writes better than my other pens. I dipped it the other day and the only thing I want to do is get it working as soon as possible! :)

 

http://i.imgur.com/JiW4JCss.jpg

(click to enlarge)

 

 

First off I'd like to get comfy with working on the pen and bend back the clip a bit, however I don't quite understand it's assembly.

From what I've seen on the internet the clip is held in with sort of a nut which I'd have to loosen with a 'split' screwdriver. http://www.pentrace.net/penbase/Data_Returns/full_article.asp?id=334

 

However, if I shine a torch into my cap I.. can't see much.

 

I'm not sure if something is totally oxidated or what's up with it. I had a careful poke with a toothpick and it felt hard and gritty. I managed to knock some hard black and white sand out of the cap.

 

http://i.imgur.com/hKNihtCs.jpg

(click to enlarge)

 

 

After getting accustomed to working on the pen I thought I'd try to replace the sac. I've operated the lever and could have a peek inside the barrel and it looks like it's completely empty.. So I hope that it will come off easily.. Does anybody know what sac size this pen takes? I've read that many CS pens take #16, however confirmation would be appreciated a lot. :)

 

Also, I don't suppose anyone definitely knows what material the pen is made of? I did do my research about CS pens before buying one and have heard about the casein pens..

 

 

Thank you very much! :)

 

 

 

Edit, I also hope that I'm in the right section of the forum, but it looks like it fits in here nicely.

Edited by GCS93

www.gcs-creations.ch ~~~~ @geoffreys_workshop

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setriode Rare

setriode

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I have one NOS in green colour and it needs a sac too, so I would also appreciate knowing the correct sac size. The nib was badly misaligned but I have corrected it and found it to be amazingly smooth.

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GCS93 NOS (New Old Stock)

GCS93

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And if anyone would happen to know the outer diameter of the bolt that holds the clip I'd be very glad since I don't have many screwdrivers to try here and will most likely have to buy a new one to file the middle off..

 

Anyways, I can now clearly see the bolt :) I don't know what was down there in the cap but it was rock hard even with water.

www.gcs-creations.ch ~~~~ @geoffreys_workshop

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GCS93 NOS (New Old Stock)

GCS93

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Well, I bought a cheap 6mm screwdriver and grinded the middle of it down with an anglegrinder, which worked a charm. :) http://i.imgur.com/iZtgztbs.jpg

 

I can now grap the nut, but it's pretty stuck on the screw. I've tried holding it with a rubber glove, but I can't get a good grip on it..

 

Does anybody know of a solution/oil that might loosen up the threads a bit but obviously not damage the pen? I sadly can't find any good info and have no clue out of what material the pen really is made. Is there anybody about that might know?

www.gcs-creations.ch ~~~~ @geoffreys_workshop

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GCS93 NOS (New Old Stock)

GCS93

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Thanks a lot, I've seen that too earlier. :)

It really looks like the nut is stuck on the bolt, so I guess I'll have to either a) think of a solution or b ) leave it for a while and think of something later.

 

In the meanwhile, whilst I already had a pair of rubber gloves on I managed to get the barrel off. Really was very easy, no heat at all (it was in the sun for a short while).. Wasn't actually really thinking it'd come off and just gave it a gentle tug and 'plop', off it came. Nearly made me fall off my chair :)

 

section is in a glass of water for the night, although it looks pretty clean already.

 

http://i.imgur.com/GT9xyxrs.jpg

(click to enlarge)

www.gcs-creations.ch ~~~~ @geoffreys_workshop

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northlodge Vintage

northlodge

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Thanks a lot, I've seen that too earlier. :)

It really looks like the nut is stuck on the bolt, so I guess I'll have to either a) think of a solution or b ) leave it for a while and think of something later.

 

In the meanwhile, whilst I already had a pair of rubber gloves on I managed to get the barrel off. Really was very easy, no heat at all (it was in the sun for a short while).. Wasn't actually really thinking it'd come off and just gave it a gentle tug and 'plop', off it came. Nearly made me fall off my chair :)

 

section is in a glass of water for the night, although it looks pretty clean already.

 

http://i.imgur.com/GT9xyxrs.jpg

(click to enlarge)

 

Two possible options

 

1. warm water can help clean the nut / bolt and thus aid the removal

 

2. If you have a replacement, then grinding / cutting away the stud will allow the nut and bolt to be pushed out from the top using a punch.

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GCS93 NOS (New Old Stock)

GCS93

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It's been a while.. I didn't touch the cap anymore, and in the mean time made myself a small knock-out block and took the feed out and clean everything.

 

I also ordered a sac, diamine midnight blue ink and some pages of blotting paper.

I then Only had some old shellac that wouldn't dissolve anymore, so I took the pen on holidays in the hope of being able to buy shellac 'open' and not in 250g boxes, which I managed. However I then couldn't get any alcohol to dissolve it..

 

 

Well at anyrate, I'm back home now and put the pen together and am very happy with it :)

I'll just need to somehow smooth the nib (I can't quite make out what's wrong with it to be honest) and maybe polish the pen a bit.

 

Quick writing sample:

 

http://i.imgur.com/FDL82Ns.jpg

 

Will need to practice my handwriting a bit again, I'm pretty sure it used to look a bit nicer sometime ago.

 

 

Long story short, showed the pen italy before mending it at home. ;)

www.gcs-creations.ch ~~~~ @geoffreys_workshop

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