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Fitting a coupler

Posted: Fri Dec 10, 2021 6:44 pm
by Buzzawak
I picked up a Geeetech I3 Aluminum in bit and ices and am in the process of putting it together.
From the installation videos on Youtube, the Z steppers should have a short shaft and coupler and then the worm rod.
Is this setup an early version I3 Aluminum?
Do I fit a couple on the top of the shaft?

Any help will be appreciated.
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