LiftMaster APT APT LOGIC 3 Manual - Page 9

ADJUSTMENT EMERGENCY DISCONNECT SYSTEM TO DISCONNECT DOOR FROM OPERATOR The door should be in the fully closed position, if possible. Pull down on the emergency release handle and raise or lower the door manually. TO RECONNECT DOOR ARM TO TROLLEY The trolley will reconnect on the next UP or DOWN operation, either manually or by using the door control or remote. WARNING To prevent possible SERIOUS INJURY or DEATH from a falling CAUTION door or arm: • DO NOT stand under the door arm when pulling the emergency release. • If possible, use emergency release handle to disengage trolley ONLY when door is CLOSED. Weak or broken springs or unbalanced door could result in an open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle unless doorway is clear of persons and obstructions. Header Bracket Trolley Track Straight Door Arm Assembly Door Bracket Chain Emergency Disconnect Curved Door Door Arm NOTICE Emergency Release Handle 9