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How do you tighten the y-axis belt?  

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brad.t5
(@brad-t5)
Eminent Member
How do you tighten the y-axis belt?

Looking at the y-axis, the belt seems to just be wedged into a notch in the plastic part. I can pull it out and put it back in, but I don't see a way to tighten it. Could someone point to the documentation on this? I can't seem to find it, and the MINI appears to be different from the other models in this regard.

Posted : 04/10/2020 9:28 pm
Crawlerin
(@crawlerin)
Prominent Member
RE: How do you tighten the y-axis belt?

There are 2 screws on plastic part holding Y belt pulley which you can screw in to tighten the tension. Here's a guide on how to adjust tension bot both X and Y belt: https://help.prusa3d.com/en/article/adjusting-belt-tension-mini_157324

Posted : 04/10/2020 10:53 pm
brad.t5
(@brad-t5)
Eminent Member
Topic starter answered:
RE: How do you tighten the y-axis belt?

Thank you! I didn't understand the relationship between part holding the pulley together and the two screws in front. That link was very helpful. I just completed a 7-hour print with no y-axis slippage. 

Posted : 06/10/2020 12:31 am
Crawlerin
(@crawlerin)
Prominent Member
RE: How do you tighten the y-axis belt?

@brad-t5

I am happy it helped 😀 

Posted : 06/10/2020 10:48 am
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