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®
1/2 HP
GARAGE DOOR OPENER
For Residential Use Only
Models • 139.18057 • 139.18657 • 139.18678 • 139.18978
®
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
www.sears.com/craftsman
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Safety Precautions
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Assembly
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Installation
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Adjustment
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Maintenance
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Operation
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Troubleshooting
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Parts List