Does it need to be Limonene or can Acetone be used?
How tight should I be fastening these screws?
It seems like the trick was the outward pull with the pliers. Pulling outward a little more seemed to pop it out nicely.
Extruder body and cover must be black.
Is there a reason other than aesthetics?
Alright, after put it in and taking it out a few times I figured out a good little tip. Looking at a trapazoidal nut you can see how each side of the nut has two parallel flat sides. This is the narrowest part of the nut. You want to guide the nut down the channel and keep those flat sides against the walls. It is going to try to rotate and that is what makes it feel tight. Just keep those flat sides against the walls as it slides down.
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