Not much experience of electric planers. After a few months I need to change blades. Manual pigeon english but.. screwed in retaining bolts making blade holder loose. Manual says remove blade holder, can't. But managed to slide blade out, now having trouble sliding blade back in, positioning doesnt seem accurate enough, cant get in to clean. Do you normally remove blade and holder from drum when changing blade on a planer. Hope etiquette is ok, first go at posting.