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W-E Doric Piston Fill And Adjustable Nib


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#21 ribeirse

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Posted 18 April 2017 - 11:22

Hi Wahlnut.

 

I've got also what I think is a doric pen, but the slider clip is different, no 'hole' and it says eversharp W.

It was forgotten years ago, and its kind of an heirloom, that I just got.

So, the ink has dried out and I think either needs just silicon gel/grease or it needs new rubber parts (hope not), and I'm trying to clean it.
I'm from Portugal, there's no repair shop here so, although I'm really bad at it, I need to do it myself.

Can you please send me that manual? Although different, I think its a doric and it would help a lot!

 

 

 

 

 

I have the factory repair manual pages for this repair (dis-assembly and reassembly) if you need it. But the things you will need are:

Tiny needle-nose pliers or tweezers to remove the spring that controls the movement of the shut-off mechanism

Father Terry's 2 tined screwdriver tool to unscrew the gasket retainer

Replacement gasket for the the plunger-rod

New packing felt and rubber washers if the packing unit at the end of the barrel needs to be replaced

Small flat smooth parallel jaw pliers to grip the blind cap retaining nut

Silicone grease

Packing felt and rubber washer

A lot of patience and some decent fine motor skills


From memory, here is the procedure:
1) remove the section (it unscrews on vacuum models - counter-clockwise
2) remove the blind barrel cap (hold the retaining nut still with the pliers, and unscrew the blind cap with your other hand)
3) remove the blind barrel cap retaining nut from the plunger shaft end
4) push the shaft into the barrel from the blind cap end and out of the mouth of the barrel
5) use the 2 tined screwdriver tool to remove the gasket retaining cap
6) remove the old gasket if still there.
7) replace the gasket with a new one
8) replace the retaining screw with the 2 tined screwdriver tool
9) insert the shaft back into the mouth of the barel and sending the threaded end of the shaft up and through the packing unit then replace the retaining nut and the blind cap.
10) For the amateur:  if the packing unit is not tight enough around the plunger shaft to make a good air-tight seal you will need to replace the felt inside the packing unit. getting the old packing unit out is a bear and many folks opt for either a rubber gasket/washer placed inside the barrel against the bottom of the packing unit, or tiny "o" ring placed on top of the packing unit. Problem with the latter is that the "o" ring takes up too much lock down thread space on the blind cap and sometimes the blind cap stands proud of its normal seated position. But it is a cheap and easy fix. The other option is to remove the innards of the packing unit and replace it with o-ring held in place by a nylon spacer but that is really a professional's area of expertise.
11) Remove the personal point assembly from the section (unscrew it)
12) Remove the spring from the shut-off mechanism (careful!! the spring is tiny and if it shoots loose from the tweezers, it may be almost impossible to find.) The spring is accessible through the window in the collar of the personal point assembly. Now you can knock out the nib and feed and the shut off by using a knock out rod with a concave end so as to not damage the shut off cone in the knock out process.
13) Look inside and see if the shut-off gasket is still there and remove the old gasket and replace with a new one. (the failure of this gasket is the reason why the shut-off mechanism failed over time. It needs to be replaced every four or five years.
14) Now the nib, feed and shut-off are free for cleaning
15)Re-assemble the nib, feed and shut-off device back into the personal point collar, replace the shut off spring.
16) Look at the thread area of the section. There should be a hard rubber cross-bar for the plunger rod end to strike and be forced off-center to break the fill vacuum.
17) if it is missing or broken (usually the case on older unrestored pens), replace it.
18) reverse the procedure to reassemble.
Easy huh?

It will take a pro about 30 minutes to do all this if the packing unit is not removed. If this sounds like a bit too much, send it to a pro. Ahem.

 

Attached Images

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Edited by ribeirse, 18 April 2017 - 11:44.


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#22 sidthecat

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Posted 22 April 2017 - 21:08

I don't have the patience to do my own repairs, nor have I the heart to deal with the inevitable breakage. Luckily, I forgot to have children so I don't have to suffer the pangs of guilt that would come from raiding their college fund to fix my pens.

#23 anra

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Posted 12 July 2017 - 17:51

@sidthecat,

 

I share your sentiment, which is why I'm just admiring this beauty before sending it to the pro.

 

19988887_10213652123636056_1989046530_n.jpg 19988713_10213652122796035_1942781776_n.jpg



#24 trdsf

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Posted 06 August 2017 - 17:27

Well, as long as someone else woke this thread up... I just obtained a Doric yesterday, and the plunger does not care to plunge.  It's in for a soak right now to clear up any lingering ink in the nib/feed area.  And alas, the instructional images above have disappeared because of Photobucket's play to become the Most Evil Company On Line.
 
36229412592_b8e9c2c82d_c.jpg
 
So I am open to suggestions.  It's a gorgeous pen in the interim, but I'd like to have it fully functional again.


"Well, believe me, I calculated the odds of this succeeding versus the odds I was doing something incredibly stupid... and I went ahead anyway."
--Crow T. Robot, Mystery Science Theater 3000: The Movie
My Flickr, if you're interested

#25 Hardy08

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Posted 14 August 2017 - 00:03

Here you are !
http://www.fountainp...epair-tutorial/

#26 trdsf

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Posted 15 August 2017 - 14:01

That looks brilliant!  I think, however, I'll wait for the Ohio Pen Show and see if I can get one of the pros to look at it -- mine does have the shut-off button.  And in any case, while I'm comfortable with J-bars and latex sacs; this is a little more complicated than I feel confident to handle.  At least not on this pen.  I can at least apply some of this to some 'lesser' plunger fillers I have that need a little TLC.


"Well, believe me, I calculated the odds of this succeeding versus the odds I was doing something incredibly stupid... and I went ahead anyway."
--Crow T. Robot, Mystery Science Theater 3000: The Movie
My Flickr, if you're interested

#27 sidthecat

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Posted 24 August 2017 - 01:34

By the way, if your Adjustable nib's slider is busted, it's still a fantastic nib. Can't be beat for a drawing pen. If it eats at you to write with a broken nib, you have my sympathies. I like things that are "right", but I make an exception for these: I think I have three now.






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