OK, just pulled it apart again. This time I disconnected the arms from the base so I now have the OTA and arms put to one side.
I used toothpicks balanced (couldn't find blue-tac!) on the drive cog of the two motors and they are both definitely turning. Obviously, when I put it together the cogs weren't meshing? Anyway, time to clean it all down and re-grease. I'll start on that, then follow the various instructions to rebuild it properly.
Thanka again!
Eric
