Quick update: All repaired, new belts, new grease, new bolts, adjusted using the right things this time and PemPro reported an uncorrected error of 0 to +5 arc seconds (not adjusting x for x drift or y for y drift). After curve calculations the applied error is -0.5 to + 1 (1.5 in total). I still don't know that it's correct because that seems too good to be accurate.
Didn't get a chance to test out the guiding because after that some high level cloud came through and that was then end of good seeing for the evening.
Looking forward to trying it out however, if the reported accuracy is correct then such wow!
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