
Owner’s Manual
GARAGE DOOR OPENER
®
1/2 HP


For Residential Use Only
Models • 139.18451D • 139.18452D • 139.18453D • 139.18473D
ENGLISHRead and follow all safety rules and operating instructions before first use of this product.
Fasten the manual near the garage door after installation.
Periodic checks of the opener are required to ensure safe operation.
■Safety Precautions
■Assembly
■Installation
■Adjustment
■Maintenance
■Operation
■Troubleshooting
■Parts List
Sears Canada, Inc., Toronto, Ontario M5B 2B8