8557 Manual
Page 1
...the garage door opener on a one -piece door. Write down the following information for installation instructions. DC Belt Drive with Battery Backup • 8557 - 3/4 hp Belt Drive FOR RESIDENTIAL USE ONLY ■ Please read this manual and the enclosed safety materials carefully! ■ Fasten the ...the Door Manually . . . . . 34 Maintenance 34 Troubleshooting 35-36 Accessories 37 Warranty 38 Repair Parts 39-41 * If applicable www.liftmaster.com The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 ELITE Series Garage Door Opener Models • 8550 -
...the garage door opener on a one -piece door. Write down the following information for installation instructions. DC Belt Drive with Battery Backup • 8557 - 3/4 hp Belt Drive FOR RESIDENTIAL USE ONLY ■ Please read this manual and the enclosed safety materials carefully! ■ Fasten the ...the Door Manually . . . . . 34 Maintenance 34 Troubleshooting 35-36 Accessories 37 Warranty 38 Repair Parts 39-41 * If applicable www.liftmaster.com The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 ELITE Series Garage Door Opener Models • 8550 -