Exploded or cross-section illustration of GOVERNOR for Borg Warner Overdrive?

[TxCajun]

Exploded or cross-section illustration of GOVERNOR for Borg Warner Overdrive?

I need ot try to repair the GOVERNOR on a transmission that I recently bought, a late 60's Saginaw 3 speed manual with R10 Borg Warner overdrive. The GOVERNOR is a later design unit where the top is secured with rivets (rather than screws) and has the smaller thread for securing it in the overdrive case.
The rivets were loose when I got it and there is some corrosion and muck inside the GOVERNOR body. An illustration would be helpful in attempting to disassemble and repair.