> At the base of the wiper where the arm is attached is a cap. Remove
> the cap. Underneath is a nut. Loosen the nut, set the wiper where you
> want it, then tighten the nut, re-install the cap. Nothing to it.

I'd suggest that while the nut is loosened, take it off and clean out the
little teeth in there so that it can get a better grab on the post when re-
tighten.  M