[TR] Bumps on Generator Pulley

[Geo Hahn]

On Fri, Nov 24, 2017 at 9:41 AM, Bill Brewer <billbrewer59 at yahoo.com> wrote:

     Why do generator pulleys have the three bumps on the leading face?
>

I always suspected the intent was that you could put a wrench on the nut
and then smack one of those projections with a hammer or a drift to loosen
the nut.

Never tried it though as an impact wrench has always been at hand.

Geo
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