HELP ZETA-ARM bearing

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HELP ZETA-ARM bearing

Same of you have change the bearing of e zeta-arm??
Its movement is perfect ti up-down but the movement lateral isn’t easy, sweet and I think necessary to change the bearing
Here are 3 bearing in the up, and the same number in support point underneath, and this is very difficult ( o impossible ??) to open this. The up cylinder-screw where there is the 3 bearing is easy to open and change, bat the under, that think of same typos, I don’t know how use??
Now I have buy ceramic bearing for substitute ( 1/10” ) and I hope to make and obrtain a good work.
Help same of you have already do it??

Thank and best regards.

G.pietro
Italy-Treviso




:confused:
 
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