... spindle with 14 wrench, biting lock nut with 17wrench,counterclockwise loosen the lock nut2. Insert the tool machine front spindle hole inside, petiole ... not barbaric operation, to prevent damage to the cutting tool, machine. Scraping the skin thoroughly, we should thoroughly remove the old ... or spin, please check whether the spindle lock, if not, please use the machine with the wrench to tighten.2,in ...