Dismounting a Jupiter 12

Hello!

I have just received a Jupiter 12 with Zeiss optics. Absolutely beautiful.
But I cannot use it as it is: the distance ring is really too stiff.
Hence my question: is there a safe and easy way to dismantle just what is necessary to clean and relube the lens? There is nothing in the "Maizenberg" about that operation.

Thanks! Jacques.

Hope this helps:

http://www3.telus.net/public/rpnchbck/Jupiter-12%20dismantle.html

Cheers,
Vlad.

Thanks, Vlad! I fear it is not without risk for the lens...

I had forgotten to say that my lens is a LTM. Is it the same way as described to clean the distance helicoпd only?

If yes, I will have it done by a specialist...

Amitiйs. Jacques.