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General| Brand | Craftsman |
|---|---|
| Model | 139.18875 |
| Category | Garage Door Opener |
| Language | English |
Explains the meaning and importance of safety symbols like WARNING and CAUTION in the manual.
Critical safety rules to follow before and during garage door opener installation to prevent injury or death.
Guidance on finding the correct header bracket mounting position for sectional and one-piece doors.
Detailed steps for mounting the safety reversing sensor brackets and sensors.
How to set the upper and lower limits for the door's travel path.
Procedures to test the safety reversing sensor and the door's auto-reverse feature.
Step-by-step process to program remote controls to operate the garage door opener.
Diagnosing and resolving common problems with opener functionality and controls.
