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GARAGE DOOR OPENER
1/2 HP
Owner’s
Manual
Model No.
139.53664SRT
For Residential Use
Only
Caution:
Read and follow all
safety rules and
operating instructions
before first use of this
product.
Fasten the manual
near the garage door
after installation.
Complies with UL 325
regulations effective
January 1, 1993
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®
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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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Care and Maintenance
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Operation
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Troubleshooting
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Parts List
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.