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Old 01-04-2015, 12:45 PM
Rob Hamlin
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Location: sydney
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NEQ6 Dec Issue

Hi All

Was trying to rectify a Dec Axis issue w NEQ6.

Did a belt drive upgrade as well as a re-shim hyper-tune procedure.

RA Axis moves smoothly thru 360 degrees when unlocking and rotating by hand.

However Dec Axis has some distinct 'sticky spots' where movement feels restricted.

Any ideas on where this might be coming from?

Regards

Robert
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  #2  
Old 02-04-2015, 06:43 PM
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Shiraz (Ray)
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have you tried backing off the preload on the dec bearings? I found that it is easy to slightly overtighten and they can then be a bit sticky.
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Old 02-04-2015, 10:10 PM
Rob Hamlin
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Quote:
Originally Posted by Shiraz View Post
have you tried backing off the preload on the dec bearings? I found that it is easy to slightly overtighten and they can then be a bit sticky.
Hi Ray,

Thanks for your suggestion.

You're right, when loosening Dec nut, everything moves more freely.

Not entirely sure what the result will be until I test it. Stay tuned

Kind Regards

Rob
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Old 12-04-2015, 03:57 PM
elken2004 (Australia)
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Quote:
Originally Posted by Rob Hamlin View Post
Hi All

Was trying to rectify a Dec Axis issue w NEQ6.

Did a belt drive upgrade as well as a re-shim hyper-tune procedure.

RA Axis moves smoothly thru 360 degrees when unlocking and rotating by hand.

However Dec Axis has some distinct 'sticky spots' where movement feels restricted.

Any ideas on where this might be coming from?

Regards

Robert
I am getting a second hand NEQ6, my question is what is the (hyper tune procedure) you refer too?
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  #5  
Old 18-04-2015, 08:13 PM
Garbz (Chris)
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Hypertuning refers to a few subtle modifications to the inners of the mount. Typically replacing the bearings on the worm drives, degreasing and re-greasing everything, scraping some paint overspray off the sliding faces on the mount, and from the ground up recalculating and replacing the factory teflon shims with something that has a harder material so it doesn't compress and misalign the worm drive. Some people go all out and replace the main bearings too and sometimes even the entire worm gear.

The worm bearings and the re-grease is well worth doing in my opinion.

Google EQ6 HEQ6 or NEQ6 hypertune and you'll get plenty of results, they are all very similar mounts.
http://www.rankinstudio.com/eq6rebuild
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