I’ve learned a few things today: 1) Removing a carriage on a Blickensderfer is easy, and 2) The carriage advances with the simple use of a spring and lever. Since the carriage was not sliding smoothly, I knew I had to do some cleaning. I used a brass Brillo pad to clean the rails. I used mineral spirits and Star Glow for smaller parts and areas.
Here’s the spring that advances the carriage: 
Here are the mechanisms under the carriage:
After some cleaning:

A little work on the wheel:
I still have no solution for the spacing lever. The screw that held the lever in place had been broken. That’s going to take some thought.

Nice progress on the Blick. I await its restoration.
Broken screws can be a real problem. If you can remove what is left of it and have any idea of what the original was I’m certain one of us out here in the Typosphere may be able to help you out with a replacement that will work.
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I hope I can wiggle it out. The next question is whether I should use shrink tubing on the platen or keep the aged look.
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How do you remove the carriage?
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That’s pretty easy on a Blick. On some machines, you should try to avoid that. Look at the back. There are a couple of screws on the back. I am away from my machines now. Some good advice: photo-document your work to create a record for yourself. Take photos of the area you are about to dismantle. Makes it easier to reassemble.
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