1/2 HP
GARAGE DOOR OPENER
For Residential Use Only
Models • 139.18451DM • 139.18452DM • 139.18453DM • 139.18473DM • 139.18490DM
Read 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.
Owner’s Manual
ENGLISH
Sears Canada, Inc., Toronto, Ontario M5B 2B8
■ Safety Precautions
■ Assembly
■ Installation
■ Adjustment
■ Maintenance
■ Operation
■ Troubleshooting
■ Parts List