There are a few procedures to reintroduce oil into em and get em working again...but here is a link to a page i found with some good info
http://mb.nawcc.org/showthread.php?5...elechron-motor
Here are the links in that article
http://www.telechronclock.com/
http://www.abouttime-clockmaking.com/downloads.shtml
Article 9 had a pdf about disassemble of the entire rotor and restoration procedures