Short answer: You don't. Slightly longer answer: Just thread in the wrong pedal, then cry, cry, cry like a baby.
Steve Barner, who once popped out the caps on a TA crank on a customer's bike and thought it was a cryin' shame, Boton, Vermont
> Date: Fri, 12 Nov 2004 10:16:59 -0800
\r?\n> From: "C. Andrews" <chasds@mindspring.com>
\r?\n> To: <classicrendezvous@bikelist.org>
\r?\n> Subject: [CR]campagnolo pedal-hole caps: how to remove?
\r?\n>
\r?\n> I have some first-gen Campagnolo alloy cranks with the pedal
\r?\n> caps. My question is, how the heck to you remove the caps?
\r?\n> There's a tiny hole in the center of the cap, but the hole
\r?\n> appears entirely round, with no flats for an allen wrench
\r?\n> and no threads inside for any other sort of tool..how were
\r?\n> they removed?
\r?\n>
\r?\n> Thanks.
\r?\n>
\r?\n> Charles Andrews
\r?\n> SoCal