Since it appears you have access to a computer - www.dewalt.com - and go to the service area. plug in your information, and they will direct you to a service center.
Have you checked out Rick Hutcheson's site? He gives a lot of good pointers on tearing down and adjusting the Dewalt.http://www.scrollsaws.com/Left side, click the link called "DeWalt Tune-Up"Hope this helps