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I tried adjusting the worms and pinion with no luck, so I pulled the motor assembly out. It turns out the motor itself is the the problem not a meshing issue. The motor makes the sound even when the motor is out of the motor housing and not turning any gears. The motors look pretty beefy and has ball bearings throughout, but when I looked closer it seems the machining on the shaft through the motor assembly is a little off centre.
Peter: The noise in my mount is only on ramp up to full speed and ramping down again, when the motor is running at the preset speed it is not making a noise. If you have constant noise more than likely its a meshing issue.
The mount is from Andrews comms and I hope they have good back up as the mount is less than a year old. I havent heard anything bad about their warranty service so heres hoping I can say some more things good about their sevice on this forum.
Brett
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