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General| Model Number | 139.53976SRT |
|---|---|
| Horsepower | 1/2 HP |
| Frequency | 60 Hz |
| Remote Controls | 2 |
| Voltage | 120V |
| Max Door Height | 7 ft |
| Smart Home Compatibility | No |
Provides crucial warnings about potential dangers during installation and operation.
Details installation considerations specific to sectional garage doors.
Details installation considerations specific to one-piece garage doors.
Procedure for connecting the door arm to the opener trolley.
Step-by-step guide for assembling the rail sections and installing the trolley.
Instructions for attaching the assembled rail to the opener unit.
Guidance on installing the idler pulley at the end of the rail.
Steps for routing the chain and attaching the protective sprocket cover.
Explains the function and importance of the safety reversing sensor.
Detailed instructions for mounting the safety reversing sensor units.
How to set the travel limits for opening and closing the garage door.
Procedure for adjusting the force required to open and close the door.
Procedure to test the functionality of the safety reversing sensor.
How to test the door's ability to reverse upon encountering an obstruction.
