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General| Type | Chain Drive |
|---|---|
| Model Number | 139.53970SRT |
| Horsepower | 1/2 HP |
| Voltage | 120V |
| Frequency | 60 Hz |
| Remote Controls | 2 |
| Safety Sensors | Yes |
| Battery Backup | No |
| Warranty | 1 Year |
| Drive System | Chain Drive |
Essential safety guidelines before installation and operation.
List of necessary hand tools for assembly and adjustments.
Specific planning points for sectional garage doors.
Specific planning points for one-piece garage doors.
Visual guide to all parts included in the opener carton.
List and description of hardware for assembly.
List and description of hardware for installation.
Steps to assemble the rail and install the trolley.
How to connect the inner and outer trolleys.
Securing the rail assembly to the motor unit.
Procedure for installing the idler pulley.
Installing the chain/cable and connecting to the trolley.
Securing the sprocket cover for safety.
Steps to properly tighten the chain for operation.
Critical safety warnings for the entire installation process.
Determining header bracket location for sectional doors.
Determining header bracket location for one-piece doors.
Mounting the header bracket on the wall.
Mounting the header bracket on the ceiling.
Procedure for attaching the rail to the header bracket.
Positioning the opener for sectional doors.
Positioning the opener for one-piece doors.
Fastening the opener to the structural supports.
Installing the wired door control button.
Wiring the door control to the motor unit.
Installing the light bulb and securing the lens cover.
Connecting the emergency release rope and handle.
Ensuring proper electrical grounding and connection.
Mounting and aligning the safety reversing sensor.
Attaching sensor brackets to the door track.
Mounting sensor brackets on the wall.
Mounting sensor brackets on the floor.
Fastening sensor brackets to mounts using hardware.
Aligning sensor eyes for proper beam detection.
Attaching the door bracket to sectional doors.
Securing the door bracket to one-piece doors.
Connecting the door arm to the trolley for sectional doors.
Fastening the straight and curved door arm sections.
Setting UP and DOWN travel limits for one-piece doors.
Procedure to increase or decrease door opening travel.
Procedure to increase or decrease door closing travel.
Setting the force required for door closing.
Setting the force required for door opening.
How to test the door's reversal mechanism with an obstruction.
Verifying the safety reversing sensor is working correctly.
Critical safety rules for operating the garage door opener.
Methods to activate the garage door opener.
How to use the wall-mounted control panel.
Using the light and lock features on the console.
Steps to manually disconnect the trolley for door operation.
Referencing pages for adjusting limits and force.
Recommended periodic checks and lubrication.
Instructions for replacing the remote control battery.
Diagnosing issues when the opener doesn't respond.
Troubleshooting door movement issues.
Steps to program new remote controls to the opener.
How to clear all programmed remote codes.
Instructions for programming the keyless entry PIN.
Identification of parts for the opener rail assembly.
Identification of parts needed for installation.
Diagram showing parts within the motor unit.
Optional accessories for access and control.
Details on warranty coverage for parts and labor.
Information on in-home repair services.
How to purchase parts and service agreements.
