8550 Manual
Page 1
Belt Drive Garage Door Opener Model 8550 FOR RESIDENTIAL USE ONLY Write down the following information for installation instructions. . www.liftmaster.com The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 Contents BELT DRIVE GARAGE DOOR OPENER.. 1 PREPARATION 2 ASSEMBLY 4 INSTALLATION 6-13 INSTALL THE...38 ACCESSORIES 39 WARRANTY 40 NOTE: If you are installing the garage door opener on a one -piece door, visit www.liftmaster.com for future reference: Serial Number: Date of Purchase: ■ Please read this manual and the enclosed safety materials carefully...
Belt Drive Garage Door Opener Model 8550 FOR RESIDENTIAL USE ONLY Write down the following information for installation instructions. . www.liftmaster.com The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 Contents BELT DRIVE GARAGE DOOR OPENER.. 1 PREPARATION 2 ASSEMBLY 4 INSTALLATION 6-13 INSTALL THE...38 ACCESSORIES 39 WARRANTY 40 NOTE: If you are installing the garage door opener on a one -piece door, visit www.liftmaster.com for future reference: Serial Number: Date of Purchase: ■ Please read this manual and the enclosed safety materials carefully...