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Knocking sound in the axis motor


wojetej

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Hello,
 

I have a weird issue which is my RA motor making a knocking sound. It started doing this out of nowhere one time when I set up the rig for imaging. I taken the motor off and made a video for you to hear the knocking noise when it's spinning. I need some advice what can I do with it to return to normal. 
P.S. I'm using a bresser EXOS 2 GOTO mount.

 

 

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Could be a gear mesh issue, missing / cracked tooth, bearing, or something else...  Your choice is either to dismantle it and see what's causing it, and either re-mesh the gears, or replace any damaged part.  Leave it as it is and if it still performs Ok then leave it as is, or bin it and get a new replacement.

 

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