recently received a NOS m100 form the 80's shipped in from Istanbul.
long story short, it drips pretty badly.
It only happens when i have been writing with it for a few minutes or more.
Things i have done:
re-grease piston twice with silicon grease
clean out nib and silicon grease on the threads of the nib unit
refill the pen without filling it all the way up.
tried multiple types of ink
Now, i messaged sargetalon about my issue, and i am seeking further input. We conclude that it must be the piston is not functioning properly. As of now (after greasing the piston twice with silicon grease), the piston 'sticks' when i spin the mechanism at the end of the pen.
Is there a way to take out and inspect the piston on this pen? It is a gift for someone close to me, and their birthday is coming up in April so i would like to get this issue solved quickly, or else i am going to have to buy them a body and use just the nib.
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