I had my shutter seize up on my lomokino after I motorized it... and here is a walkthrough of how I fixed it.
https://www.youtube.com/watch?v=ouzHt7YuVtQ
I just thought I'd share that I motorized my Lomokino. It's really easy and inexpensive.
here's is the demo and howto:
http://www.youtube.com/watch?v=bOe9cORtVsc
summary :
superglue a nut onto the spindle and drive it with a cordless drill.
It's a fun camera... but what I really like...