Thanks Mark and others for your contributions. As with most posts I find that I can pick up a lot of tips that often strike a chord with my own dificulties/experiences.
Rob, I will probably not get the opportunity of testing my HEQ5Pro until about mid November but I will post the results at that time.
By the way, I stripped the DEC down completely according the the excellent directions. It also advised to try just adjusting the worm/wheel and driving gears before doing this. I stripped it because of others experience with remnant manufacturing stuff like turnings and not well greased bearings. In the event, I found that the inside of the mount was spotlessly clean and the bearings and worm well greased. Hence, if I have trouble with the RA I will try worm adjustments initially before stripping.
After thinking about my original problem with DEC sticking, I think it will almost certainly turn out to be the worm binding on the wheel at a certain part of the wheel cycle. However, tests will confirm whether my adjustments have succeeded and curing the problem.
Cheers Peter
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