LiftMaster 8580WLB 8550W 8550WL 8550WLB 8550WLB-267 8557W 8587W WLED WLED-267 - Page 9

Operation To prevent possible SERIOUS INJURY or DEATH from a falling garage door: l If possible, use emergency release handle to disengage trolley ONLY when garage door is CLOSED. Weak or broken springs or unbalanced door could result in an open door falling rapidly and/or unexpectedly. l NEVER use emergency release handle unless garage doorway is clear of persons and obstructions. l NEVER use handle to pull door open or closed. If rope knot becomes untied, you could fall. Disengage automatic garage door lock before opening door manually (if applicable). To Open the Door Manually NOTE: Disengage any door locks before proceeding. 1. The door should be fully closed if possible. 2. Pull down on the emergency release handle. Lockout Feature 1. Pull the emergency release handle down and back. The door can then be raised and lowered manually as often as necessary. 2. To disengage the lockout feature, pull the handle straight down. The trolley will reconnect on the next time the opener is activated. 9