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Attach sprocket cover securely. Never operate opener Dispensing Carton while your hand is near the opener sprocket. Opener Sprocket Figure 2 Leave Chain and Cable Inside Dispensing Carton to Prevent Kinking. Keep Chain and CabIe Taut When Dispensing • Detach the cable loop from the carton and fasten it to the trolley with a master link from the hardware bag. See master link procedure, Figure 1. • With the trolley against the screwdriver, dispense the cable around the pulley. • Proceed back around the opener sprocket, Figure 2. Be sure sprocket teeth engage the chain. Continue forward to the trolley threaded shaft, Figure 3. • Use the second master link to connect the chain to the flat end of the shaft. Check to make sure the chain is not twisted. Master Link CIip-On Spring Mast Link Cap i i ; i i _ Master Link Clip-On Spring Master Link Cap Flat End of TrolIey Threaded Shaft _ i _ Figure 3 Chain • Remove the screwdriver. T-rail Cable Loop _. Pin Notch Install Chain and Cabte In This Direction Sprocket Cover Back Tab Slot Front Tab Slot Mounting Plate Master LinkBar Figure 1 Sable Pulley Master Link Procedure: Push pins of master link bar through cable loop and hole in front end of trolley. Push cap over pins and into notches. Slide clip-on spring over cap and into notches until both pins are securely locked. Top of Opener To attach the sprocket cover: • Insert the back tab in the opener slot. Squeeze the cover slightly and insert the front tab in the slot on the mounting plate. 10 Assembly Step 5 Tighten the Chain & Cable • Spin the inner nut and lock washer down the threaded shaft, away from the trolley. • To tighten the chain, turn outer nut in the direction shown. As you turn the nut, keep the chain from twisting. • When the chain is approximately 1/2" above the base of the T-rail at its midpoint, re-tighten the inner nut to secure the adjustment. Sprocket noise can result if chain is either too loose or too tight. When installation is complete, you may notice some chain droop with the door closed. This is normal. If the chain returns to the position shown when the door is open, do not re-adjust the chain. NOTE: During future maintenance, ALWAYS pull the emergency release handle to disconnect trolley before adjusting chain. Lock Outer Nut Washer Inner Nut \\ / TroIley _ Chain 1/2 Inch Base of T-rait You have now finished assembling your garage door opener. Please read the following warnings before proceeding to the installation section: IMPORTANT INSTALLATION INSTRUCTIONS To reduce the risk of severe injury or death to persons: 1. READ AND FOLLOW ALL INSTALLATION INSTRUCTIONS. 2. Install only on a properly balanced and lubricated garage door. An improperly balanced door may not reverse and could result in severe injury or death. Repairs to cables, spring assemblies and other hardware must be made by a professional service person before installing opener. 3. Disable all locks and remove all ropes connected to the garage door before installing the opener. Ropes connected to a garage door can cause entanglement and death. 4. If possible, install door opener 7 feet or more above floor with the emergency release handle mounted 6 feet above the floor. 5. Do not connect the opener to power source until instructed to do so. 6. Locate the Wall Control within sight of the door at a minimum height of 5 feet where small children cannot reach and away from all moving parts of the door. 7. Install the User Safety Instruction Label on the wall adjacent to the control button and the Maintenance Instruction Label in a prominent location on the inside of the garage door. 8. Upon completion of the installation, the door must reverse when it comes in contact with a one-inch high object or a 2x4 laid fiat on the floor. 9. Do not wear watches, rings or loose clothing while installing or servicing an opener. Jewelry or loose clothing can be caught in the mechanism of the garage door or the opener. 11 Installation Section: Pages 12 -27 Installation Step 1 Determine Header Bracket Location Installation procedures vary according to If the header bracket is not rigidly fastened to a structural support on the header wall or garage door types. Follow the instructions ceiling, the safety reverse system may not which apply to your door. work properly (see page 30). The door might not reverse when required, and could cause serious injury or death. The garage door springs, cables, pulleys, brackets and their hardware are under extreme tension. Do not attempt to loosen, move or adjust them yourself. Serious personal injury or death could result. Call for professional Finished Vertical garage door service. Ceiling Header GuideIine Wall 2x4 Structural • Close the door and mark the inside vertical centerline of the garage door. • Extend the line onto the header wall above the door. Remember, you can fasten the header bracket within 2 feet of the left or right of the door center only if a torsion spring or center bearing plate is in the way;...

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