Can't remove center bolt.

A quick learner from Dallas, TX says:
I bought part number 40-150 and can not get the center bolt removed to fit my handle. The part is the exact replacement but I need the larger fitting.

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Dave Sr. from SWISCO responded:
Thank you for posting.

You must use a 3/32 Allen wrench to remove the set screw. After the set screw is removed, tap the handle on a hard surface, and the center spindle adapter should fall out.
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