Thanks guys.
I've gone over everything this afternoon and tightened Allen screws etc. Found nothing very loose, but some took a quarter turn.
Also discovered that it's really easy to expose and check the brass cogs (see pic) by removing 2 or 3 phillips screws. In fact the DEC motor has an open hole to the cogs on the underside of the cover if you get underneath and look up so with the grease in there it wouldn't be hard for a bug or bit of grit to get into the gears. I think I'll tape it over.
I wiped out the gears and re-greased.
Yeah problem can be seen on every 5th to 8th image. I was going to give it a test this evening but the clouds have moved in. Hopefully tomorrow.
Jim
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