Was Working Not Working

Ian in Manchester writes: 

I have a  mechanical 1951 time clock 76670. It used to work really well & now doesn’t work at all.  I moved it when moving house very carefully.
I took the pendulum weight off & handled it very carefully.
Now it won’t run & I have cjhecked all the usuals.
The time recording mechanism did work but needed a new ribbon.
Now the handle will bit go all the way down no stamp & no chime.
Can anyone tell me what I have done?

If you have any advice for Ian, please reply via the Comments section below.