Mach1GTO having significant play in RA and DEC axis even with RA/DEC clutch knobs fully tight


I just got a used Mach1GTO and am seeing significant play in both RA and DEC axis, is this normal? (please see this video:

I read through this post: but my Mach1 is the older version (S/N M10366) and does not have a lever on the side of the gearbox so any instructions for the older mach1 for this similar issue would be great!

Thanks in advance,

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