User manual CHAMBERLAIN MOTORLIFT 5500

[. . . ] These safety alert symbols mean WARNING ­ a personal safety or property damage instruction. This garage door opener is designed and tested to offer reasonable safe service provided it is installed and operated in strict accordance with the following safety rules. Failure to comply with the following instructions may result in serious personal injury or property damage. WARNING: If your garage has no service entrance door, Model 1702EML Outside Quick Release must be installed. [. . . ] The opener must either be secured to a support or held firmly in place by another person. Slide Outer Trolley (1) into Rail assembly (2), be sure the end with Door Arm Hole (3) is heading in direction of door (4). Be careful Chain does not come off Drive Sprocket on unit or become twisted. measure distance from Header Bracket to Ceiling Mounting Bracket Bolts. Mark length on ceiling starting at the Header Wall, along this point is where the unit will be mounted. Insert Square Head Screws (A) into Rail assembly (B) approximately 120mm from end of Rail near motor unit. slide Hanging Brackets on to Square Head Screws and secure Brackets with Nuts (5). In this process the Square Head Screws hook into slots on the sides of Rail by turning 90° (C). For wood ceilings, drill 4mm pilot holes and secure with Lag Screws (3). Wear protective goggles when working overhead to protect your eyes from injury. disengage all existing garage door locks to avoid damage to garage door. Failure to properly adjust opener may result in serious personal injury from a closing garage door. Procedure: Place a 40mm obstacle (1) laid flat on the floor under the garage door. If the door stops on the obstruction, it is not traveling far enough in the down direction. When the door reverses on the 40mm obstacle, remove the obstruction and run the opener through a complete travel cycle. Place 20kg at the center of the door and ensure that the door will not move up more than 500mm. After opener has been installed and adjusted, The Protector SystemTM accessory can be installed. The Protector SystemTM provides an additional measure of safety against a small child being caught under a garage door. It uses an invisible beam which, when broken by an obstruction, causes a closing door to open and prevents an open door from closing and is strongly recommended for homeowners with young children. Determine the position of the Close Limit Switch (1) (Long wire) by aligning the center of trolley and the center of the Limit Switch. Insert bottom tab (5) of Limit Switch (1) into bottom lip of Rail (7). Lift limit assembly against top lip of Rail and tighten screw (8) to secure Close Limit Switch. [. . . ] Push the Program Button twice to enter unit into Auto-Force Adjustment Mode. The door must travel through a complete cycle up and down in order for the Force to be set properly. If the unit stops before it reaches the Open or Close Limit repeat the process. The light will turn on and remain lit for 2 1/2 minutes when power is connected. [. . . ]