[TenTec] Argonaut 509 - PTO rebuild parts/instructions needed - still possible? advice/recommendations?

[wb0gaz at yahoo.com]

 My Argonaut 509 (S/N 509-3xxx) has been in storage for a long time, and after unpacking it and putting it in line, I discovered the PTO (frequency dial, not the resonator rack) control is largely immobile. I suspect the PTO mechanism grease has gone bad and I'd need to remove the PTO, disassemble, remove the old grease, apply new grease, reassemble, re-install and realign.

All that said, the last time I did this (for another PTO-based analog Ten-Tec transceiver) was some years ago and Ten-Tec at the time could supply the needed materials and instructions.

I presume with Ten-Tec gone that I'm "on my own", so looking here for any advice as to how to proceed. I no longer have the materials (I recall a kind of green grease and a very small metal part) nor instructions (a few photocopied pages, which served well the last time I did this years ago.) 

The 509 seems otherwise to be in good shape, it's just stuck at xx.060 MHz or thereabouts.

Thanks for any suggestions!

73 Dave WB0GAZ wb0gaz at yahoo.com