chuck is stuck in full open position and will not move. i have removed the phillips head screw inside of chuck, but i cant get it off.

armand prosperini, June 2008

Armand:

This webpage has schematics & diagrams for dewalt drills, though i didn't see yours, there are some that are basically the same, here is a diagram for the 505k,

http://www.toolpartsdirect.com/cgi-bin/schematic.cgi/dewalt/DW505_TYPE_1

you can also order parts from them for whatever you need. (i never have, but they are authorized dealers)

ryan, August 2008