Power steering pump pulley

I'm going to have to change power steering pump on my 98 transport. Is there any special tools that I will need to remove the pulley? The auto store only sells pumps without the pulley. Any special instructions or don't?
Thanks
marcelo

checkout:

ONLINE SERVICE MANUALS


http://www.oplin.org/databases/proxy2/proxy.php?qurl=http%3a%2f%2farrc.epnet.com%2fautoa sp%2fframerq.asp

enter 123456789 for library card #, link will show Lebanon Library, (click on the arrow in the blue box left of the submit button) this will show Library of Cincinnati, click on the it and it will enter this in the box and submit, scroll down to AUTO REPAIR REFERENCE CENTER and pick your year and make.