8557 Manual
Page 1
DC Belt Drive with Battery Backup • 8557 - 3/4 hp Belt Drive FOR RESIDENTIAL USE ONLY ■...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 your garage door opener. ■ This... 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 The Timer-to-Close... is ONLY compatible with sectional doors. ELITE Series Garage Door Opener Models •...
DC Belt Drive with Battery Backup • 8557 - 3/4 hp Belt Drive FOR RESIDENTIAL USE ONLY ■...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 your garage door opener. ■ This... 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 The Timer-to-Close... is ONLY compatible with sectional doors. ELITE Series Garage Door Opener Models •...