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Dealing with RA Tracking Problems

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27 replies to this topic

#26 Tom Stock

Tom Stock

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Posted 11 February 2020 - 09:15 PM

4 years old question but I'll reply for anyone who finds this question looking for help:

 

It's a single hex bolt under the eyepiece end of the polar scope to remove the RA gearbox. Once gearbox is removed, the cover can be removed from that point with a small screwdriver.

 

You will need a 1/16" hex wrench to tighten the spur gear to the shaft.


Edited by Tom Stock, 12 February 2020 - 05:57 AM.

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#27 scrufy

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Posted 09 March 2022 - 12:21 AM

I replaced the teflon bushing with a thrust needle roller bearing part numer (kit 8675)from VXB.com the size for my etx125 required a 35x52x4 mm bearing. The cost whith shipping was less than $10. I also relpaced all the grease with lithium grease and adjusted the worm gears to remove the backlash. You would not believe the difference in the scope for less than $20. It looks like Meade would have made the same in building. But, no repair work! No need for techinal department! Anyone needing help let me know and I can help you. I cut the wires that run between the two motors on the bottom side to make it easier and soldered them after assembly. Much easier for assembly.
hope it helps. I can lock the RA with two fingers. When assembled, the scope spins from side to side with no slop and no vertical movement. Like I said, you will not belive the difference for just $20. "VXB.com" 

This is why archives are great! 
bought an old ETX 125EC in great shape really cheap with one minor issue… ^^^

sorry very very old thread but VXB still has the bearing under 10 bucks !

CN comes through again!


Edited by scrufy, 09 March 2022 - 12:22 AM.

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#28 Tom Leach

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Posted 16 August 2023 - 08:02 AM

Really need advice here. Using Stellarium my new Windows 11 laptop computer will not connect with my Meade LX85. Never had an issue with Windows 10. How can I work through this??  Tom


Edited by Tom Leach, 16 August 2023 - 08:04 AM.



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