Craftsman 139.18310D Owner's Manualanual

Contents

8To prevent INJURY from pinching, keep hands and fingersaway from the joints while assembling the rail.Hex Bolts1/4-20x7/16"Center RailHeader RailBack RailStraight Door ArmRail Support BracesHanging BracketsRail AssemblySprocket CouplingHeader Rail BracketsRemove Cardboard PackingRail Assembly CartonRemove Cardboard PackingRail AssemblyRemoveCardboardPackingHex Bolts1/4-20x7/16"Hex Bolts1/4-20x7/16"Hex Bolts1/4-20x7/16"Hex Bolt 1/4-20x7/16"HARDWARE SHOWN ACTUAL SIZEASSEMBLY STEP 1Assemble the RailTo avoid installation difficulties, do not run the garagedoor opener until instructed to do so.1. Open the rail carton and remove the contents onto alevel work surface. Keep it clean and free of debriswhile you are working.2. Identify the rail sections and orient the sections on a flatsurface as shown. The back rail has a black gear onone end. The header rail has a black plastic rack insidethe rail on the screw. The remaining section is thecenter rail.NOTE: Use caution when handling the center rail section.The screw can slip out if the section is tipped up too far.