#42293 Mar 30, 2009
I wanted to share something I learned over the weekend, for others like me that aren't very experienced when it comes to mechanical issues.
I've been having two problems intermittently:
- slews would report being done, but the mount would continue moving slowly in RA for a couple of arcminutes after it reported that it was done
- during guiding, sometimes I'd get a sudden jump of several arc-seconds that would then reverse a few seconds later
I found that the RA Oldham coupler was loose on the shaft from the gearbox. All I had to do was tighten the screws on the shaft and the problems were solved. It is much better now!
I suspect this is something I should check every year as the temperature variations might loosen it up.