Underwood Lever fill restore question

[LuckyLefty19]

Hello, I am working on restoring an Underwood lever fill. I micro meshed some rough areas of the body and polished it with some polish that really brought it back to life. I put a new sac in and cleaned everything up. The lever and pressure bar look to be in good shape. I got everything in and back together and the pen is writing and working really well except for it appears to be working too well lol, In the ink flow department. It’s really wet quickly and ink seems to be flowing so well I can see it ready to drip from the feed with a slight shake. What did I do wrong? Lol . I would appreciate any suggestions or advice. Thanks.




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[RobJohnson]

Firstly check that there are no air leaks on the new sac.

The likely cause is the setting between the nib and the feed, Richard Binder provides assistance with this and also there is some good help on YouTube including removing the nib and feed from the section.

Jetpens also has a good guide on Troubleshooting, it is useful because of the level of detail.

[Deb]

It will be well worth the effort, LuckyLefty, that's a super old pen!

[LuckyLefty19]

Firstly check that there are no air leaks on the new sac.

The likely cause is the setting between the nib and the feed, Richard Binder provides assistance with this and also there is some good help on YouTube including removing the nib and feed from the section.

Jetpens also has a good guide on Troubleshooting, it is useful because of the level of detail.

Thank you for the info Rob! I appreciate it.


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[LuckyLefty19]

It will be well worth the effort, LuckyLefty, that's a super old pen!

Thanks Deb, it is a really great looking pen. I hope I can get it squared away.


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[Yazeh]

I don't have Deb's experience with restoration nor have a collection like Rob's.
So, please take what I say from the point of view of an ink nerd and user.
It could be simply the ink you used.
I am not familiar with the pen you're restoring, but I have had one "wet noodle". I have realized that many of the "modern" inks, are not compatible with vintage pens, which act like fire hoses.
I once had Diamine Syrah dripping from the said pen.

However, when I switched the ink to a drier ink, that is an Iron Gall ink, Essri, the pen worked flawlessly.
I know many restorers hate the idea of using Iron Gall inks with vintage pens, but I'm sure they'll be ok with Pelikan Blue Black or Scabiosa