Just picked up a 142G OB in a sorry state with loose cap bands and a non-functioning filler.

How do I open up the filler unit on this 1950's MB???? the blind cap unscrews to reveal a non threaded cyclinder with one hole. I assume some tool is located into this hole to unscrew the filler???

Thanks in advance.

I'm going to make this pen beautiful again.

Anyone?

Hi Jay,

yet another sweet find you got out there! I have a nice 144 from the 50s. They are fantastic pens.
Now, regarding your question, i suggest the following: Go to www.penboard.de and then try Tom Westerich's site. If you go to pens there is a section on Cork Seals for pistonfillers, How to fit them on a Montblanc 332 pen.There is information that might be handy, although i am not too sure. Those old MBs require special vintage tools for these sort of repairs.

I sent my 146 to Max at maxpens.de to get the piston all repair. I dare not try to take it apart since i am not the handiest guy around.
I think if you don't find the info you need, you can try emailing Tom about it. My experience with Maxpens is wonderful and Max's work is top notch.
Good luck and let us know how you are getting on
Nikolaos

Many thanks, I'm going to check the site out.

Hi Jay,
As you expected , the small transversal bore in the brass housing underneath the filling knob is the "anchor bore" for the removal tool.
Tom Westerich from Germany - nowadays living in Italy as far as I know- sells such a dedicated tool, see http://www.penboard.de/shop/shopartikeldet...=5322&la=en.
You could make one yourself, as I did .
I'll send you a picture of my tool if you want.
Please send me an E-mail & specify your normal E-mail address so I can send you the picture directly.
The filling mechanism is screwed-in with RH thread & normally comes out rather easy.
The telescopic filling system is rather complex and equipped with a differential screw system.( two lead screws screwing in each other)
This technique features optimum ink volume capacity at a given barrel length.
A detoriated cork seal allows the ink coming in the mechanism.
Both the differential screw pair and the telescopic bushings will easily get blocked & freeze completely when the ink dries over time.
When screwing the filling knob in such a "blocked" situation, the torque can break the radial guiding wedges of the telescopic bushings.
Repairing these is unfortunately rather delicate.
Wishing you success,
Regards, Francis

Hi Francis, thanks for the info, I have already stripped the pen down, its now waiting on a new cork plunger washer (when I get time).

I used a paper clip and a set of needle nosed pliers to remove the filler unit.

I straightened out a paper clip, inserted it in the cylinder hole, bent it at 90 degrees then wrapped it around the cylinder, then using the needle nose pliers gripping around the paper clip coiled cylinder I removed the filler with no trouble at all.

The wrapping or coiling of the paper clip around the cylinder protects it from the pliers and the small inserted end gives it an anchor!

When the filler is removed I simply uncoiled the paper clip and removed it.


The original cork had perished but luckily the ink must have dried out first.

I fabbed a tool out of a pair of electronic pliers. I don't use the pin, I just polished them jaws so they wouldn't mar the filler. I can send you a picture...