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Doric Pen Burping

doric wahl eversharp burp

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47 replies to this topic

#41 Ron Z

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Posted 01 April 2019 - 12:30

The pin that goes across the section is a displacement pin - i.e. it pushes on the head gasket nut to push the rod and head gasket to one side so that surface tension is broken to insure that the ink can flow easily past the head gasket.   I often find them broken, and replace them when I restore the pen,

 

A little silicone grease on the plunger rod should be all that you need for maintenance.


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#42 KingRoach

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Posted 07 April 2019 - 11:13

Did any of these pens come without the Personal Point option?

 

Mine has a cap sealing mechanism, so I assume it must be a personal point (unscrewable nib unit/housing) but for the life of me it won't turn, and you know I won't exert too much force on this thing. The one thing I did not get to trying out is an ultrasonic cleaner, but I imitated ultrasonic vibrations using something else (not a dildo) to no avail.

 

Is there DEFINITELY a removable nib unit?

 

And more importantly now, how do you normally remove the cap sealing lever thing or put it back? It stays in basically but the spring is out so just need to figure out proper positioning of the spring without being able to remove the unit from the section. :(



#43 KingRoach

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Posted 21 April 2019 - 12:31

Does the personal point unit usually come off clockwise or counterclockwise?

 

A bit of ultrasonic cleaner (a few minutes is warm water) and still no luck getting that thing to move.



#44 Newton Pens

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Posted 21 April 2019 - 15:34

righty tighty, lefty loosey



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#45 KingRoach

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Posted 21 April 2019 - 20:44

Counterclockwise. I had to observe the last thread with a magnifier. It was playing tricks on my naked eyes.

But still, I can't unscrew it. :(

If I can't unscrew it, I much rather put things back as they are (since I've already located the leak).

Can anyone draw a simple diagram of how the spring for the cap seal lever is positioned?



#46 Wahlnut

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Posted 07 May 2019 - 06:04

Just reading the last few posts, Im not sure the following is in answer to what your asking. But Not all ink shut-off Dorics had screw in personal points. Some are friction fit. If this is so, there is no personal point collar to unscrew. Looking with magnification looking at the section from the front see if there really is a separation between section wall and the supposed personal point unit. Use some thin penetrating oil like pen potion #7 or the like and put a drop on the supposed separation. If the liquid recedes into the supposed crack between point and section youll know its a personal point. Is so, you need to unscrew it. Use gingers only. No pliers. If it does not budge use penetrant like Pen Potion #7 and 150 degrees heat. It will eventually come apart. However if ink has dried up over the years it can take a while to dissolve it to free things up. If its a friction fit, the unit pulls out. That said once the unit is removed youll see the spring is retained between to prongs at the ends of a cutout slot in the shut off shaft.
If my answer is not aligned with your question. Apologies.
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#47 KingRoach

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Posted 08 May 2019 - 12:05

Just reading the last few posts, Im not sure the following is in answer to what your asking. But Not all ink shut-off Dorics had screw in personal points. Some are friction fit. If this is so, there is no personal point collar to unscrew. Looking with magnification looking at the section from the front see if there really is a separation between section wall and the supposed personal point unit. Use some thin penetrating oil like pen potion #7 or the like and put a drop on the supposed separation. If the liquid recedes into the supposed crack between point and section youll know its a personal point. Is so, you need to unscrew it. Use gingers only. No pliers. If it does not budge use penetrant like Pen Potion #7 and 150 degrees heat. It will eventually come apart. However if ink has dried up over the years it can take a while to dissolve it to free things up. If its a friction fit, the unit pulls out. That said once the unit is removed youll see the spring is retained between to prongs at the ends of a cutout slot in the shut off shaft.
If my answer is not aligned with your question. Apologies.

 

Quite on point, Wahlnut! Many thanks.

 

Funny thing is, I have only JUST found out about Potion No.7 as I was looking for something like this, then I checked my forum activity, and lo and behold, your reply mentions the same.

I'm in the UK so not sure I have a potion No.7 provider here. Are there alternatives for us, UK-ians?

 

I'm pretty sure it's a screw-in personal point. I can see the last part of the thread when looking at the end of the section. No budging whatsoever. I've given it 4 rounds in an ultrasonic cleaner and water so far. Really taking baby steps here.

 

The pen is generally working, the burping itself has been solved by applying some silicone grease to the section-barrel threads, and I have managed to get the shut-off spring back in and fit everything well so that it works. But I still want to free up that personal point. I know I will need to at some point later when the shut-off-valve gasket eventually gives (not that I fly, but I would like this pen to be perfect. I overpaid for it after all just because I wanted it).



#48 Lin_empire

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Posted 09 June 2019 - 13:31

Love Doric pens so much that I have bough 7 dorics







Also tagged with one or more of these keywords: doric, wahl, eversharp, burp



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