Cross Process and EOS 5 Command Dial repair

I've not shot a lot of film recently and a recent post over at Epic Edits has me hankering for a little cross processing. My local lab used to do it, so hopefully they still are willing to do some.
The main obstacle was that my EOS 5 had a broken Command Dial. It's a rather common fault and stems from a serious design flaw that Canon never acknowledged. Fortunately a little searching found some instructions on how to get it going again. As it turned out my issue is a broken spring. I removed it. Now the command dial moves freely, but pushing down on the centre button still lets me twist and set the camera to manual. Yeah!
It's obviously not 100%, but it is usable, which is more than it was.