Hex Wrench Size for Motor and Vertical Play in Motor

[flabango]

Hey, what's the size of the tiny hex bolt thingy on the outside of the bell (is that what it's called) on the motor?

One of my motors has some vertical play that the others don't have. How do I fix this and is it even a problem?




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[HWA]

You need a 1.5mm hex driver. There are 2 set screws per motor you need to check. Maybe its loose.

 

[flabango]

You need a 1.5mm hex driver. There are 2 set screws per motor you need to check. Maybe its loose.

Thanks