Emergency Disconnect System - Chamberlain APT Owner's Manual

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.
A D J U S T M E N T
To prevent possible SERIOUS INJURY or DEATH from a falling
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
Door
Bracket
9
WARNING
CAUTION
Trolley
Emergency
Straight
Disconnect
Door Arm
Assembly
Curved
Door Arm
Door
Track
Chain
Emergency
Release
Handle