North America, Inc.375 Jaffrey RoadPeterborough, NH 03458(800) 243-8145www.dahleusa.comBlade installation is the opposite of blade removal.1. Insert the blade carrying device into the new blade with thebevel side up. Remove the protective cover from theblade.2. Carry the blade with both hands being careful to keepfingers clear.3. Insert the blade into the cutter and slide up into place. Ifyou are having trouble lining up the hex screw holes, tryloosing the blade carrying device from the blade. You canalso pull down on the cutting arm until the screw holes lineup. Be careful to keep your fingers clear of the blade.4. Tighten the hex screws located on each end of the blade.Remove the blade carrying device and insert the last of thethree hex screw that holds the blade in place.5. Raise the cutting arm to its highest position and install theblue metal blade cover. Insert the two 4 mm hex screwthat holds the cover in place.6. Place the clear plastic safety cover over the metal armsand use four 3 mm hex screws to secure the cover inplace.7. Replace the remaining clear plastic cover on the cutter andsecure with 3 mm hex screws.8. Insert test paper and make a trial cut.*After repeated cutting it may be necessary to rotate yourplastic cutting block 90 degrees.**After repeated sharpening of your blade, it may benecessary to install the metal spacer provided, to the cuttingarm.Blade Installation Instructions for the DAHLE 842, 846, and 848 Ream Cutter842848846