LiftMaster MGJ MGJ Manual - Page 9

WARNING ADJUSTMENT WARNING CAUTION LIMIT SWITCH ADJUSTMENT NOTE: Make sure the limit nuts are positioned between the limit switches before proceeding with adjustments. 1. Depress retaining plate to allow nut to spin freely. After adjustment, release plate and move nut back and forth to ensure it is fully seated in slot. 2. To increase door travel, spin nut away from limit switch. To decrease door travel, spin limit nut toward limit switch. 3. Adjust open limit nut so that door will stop in open position with the bottom of the door even with top of door opening. 4. Repeat steps 1 and 2 for close cycle. Adjust close limit nut so that the limit switch is engaged as door fully seats at the floor. WARNING To avoid SERIOUS PERSONAL INJURY or DEATH from electrocution, disconnect electric power BEFORE manually moving limit nuts. AVERTISSEMENT ATTENTION CLOSE Limit Switch AVERTISSEMENT OPEN Limit Switch AVERTISSEMENT Actuator SAFETY (Aux. Close) Limit Switch ADVERTENCIA PRECAUCIÓN Retaining Plate (Aux. Open) Limit Switch ADVERTENCIA ADVERTENCIA 9