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General| Model Number | 139.18458DM |
|---|---|
| Brand | Craftsman |
| Category | Garage Door Opener |
| Horsepower | 1/2 HP |
| Voltage | 120V |
| Remote Control Quantity | 1 |
| Safety Sensors | Yes |
| Battery Backup | No |
| Max Door Height | 7 ft |
Explains safety symbols and signal words used throughout the manual.
Crucial safety warnings and guidelines before starting the installation process.
Identifies the correct mounting position for the header bracket above the garage door.
Details the mounting process for the header bracket to the wall or ceiling.
Installs and aligns the safety reversing sensors for obstruction detection.
Joins the door arm to the opener's trolley assembly.
Sets the open and close travel points for the garage door.
Sets the motor force required for door movement and reversal.
Verifies the door reverses upon encountering an obstruction.
Checks the functionality of the safety reversing sensors.
Critical safety guidelines for operating the garage door opener.
Instructions for programming remotes, keyless entry, and erasing codes.
