I slogged through the snow and took a look.  There are no flats.
Instead, there is provision at the end of the shaft for an Allen Wrench!

It makes removal of the nut very easy.

Mike

Mike Collum wrote:
> As I recall, the shaft has flats allowing one to hold it while removing
> the nut.  I can go look in a bit ... but I'll have to slog through about
>  a foot of new snow.
>
> Mike
> Houlton, Maine
>
>
> Rick Koller wrote:
>
>> Hi all,
>>        I did an archives search but came up empty for a method of taking
>> off the
>> alternator pulley with the alternator off the engine. I'm afraid of
>> bending
>> the fan part of the alternator while trying to stop the shaft from
>> rotating. Anyone done this? Thanks.
>> Rick Koller
>> '90 syncro westie
>> '91 carat, gl
>>
>