OK, that makes sense. You can rent a pulley puller from an auto parts place for cheap. It's got two little arms (some have 3) that grab the pulley, then a screw in the middle which you turn and it pushes against the end of the motor shaft. It's pretty easy, you'll manage no problem.

Spin the pulley around and look for a set screw. If there's a set screw to lock the pulley to the shaft, it will pull off easier if you loosen this screw first. More likely, it uses a keyed shaft or a D-shaped shaft and just presses on.

Good luck!

Jim