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Discussion Starter · #1 ·

I just finished the assembly on my Polish underfolder. I'm not sure how I'm supposed to finish off the underfolder assembly. I don't know how tight to tighten the threaded collar that holds the folding axle together.
Is there a certain tightness at which the collar should be tightened?

Also, the threaded collar has a series of holes around the outside. Am I supposed to run a pin (cotter pin?) through the holes to keep the collar from twisting off?

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