Hi, Jack
Big thanks for your reply.
That photo tells me most of what I need to know I think.
I've tried the quick hammer blow to try to release the thread. I appled CRC5.56 / WD40 beforehand and some tapping of the cog itself in some pre-emptive effort to release what is forty years of being done up tight. I definitely when in the correct direction.
To no avail though.
I actually despair a little at your photo because it tells me the diff gears are plastic and I reckon the piece(s) rattling around inside must be a chunk of one of those gears *primal scream*. So if I do get it apart then I'm not sure how I'll go repairing that.
I'll have to do some more thinking in the light of your reply. I'll be sure to report back if I get it apart (or even if I don't).
Thanks again.
Regards
Roger
