Locate the blade Tissue paper making machine lock if one exists. This will allow you to use Circular saw bladeor a wrench to Log saw machine remove the bolt that holds Log saw cutter the blade in place and prevent Cutting blade the blade from spinning. If the saw doesn't haveNapkin machinea blade lock, you may have to Toilet roll rewinding machine use a piece of wood Toilet roll log sawto stop the blade. Remove and replace the blade, and hand-tighten the Toilet roll machine. Make sure to replace any washers,the bigfoot against the blade.