https://fr.ifixit.com/R%C3%A9ponses/Afficher/494524/How+do+I+disengage+the+auto+chuck+release.
How do I disengage the auto chuck release. - DeWalt DW920 - iFixit
Doing work on multi layer conveyor systems accessing control panels. Lost the bit and and lost my backup didn't have another backup other than a screwdriver...
how do idisengage