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General| Category | Garage Door Opener |
|---|---|
| Manufacturer | Cookson |
| Series | MGRL |
| Drive Type | Chain Drive |
| Safety Sensors | Included |
Critical safety precautions to prevent injury or death during installation.
Details on motor type, horsepower, speed, voltage, and current.
Transformer voltage, wiring type, and limit adjustment methods.
Drive reduction, shaft speed, door speed, brake, and release mechanism.
Details on sensing devices and their role in entrapment prevention.
Diagrams illustrating various mounting positions for the operator.
Step-by-step guide for securely mounting the operator unit.
Instructions for adjusting drive chain slack and tightening.
Procedure for adjusting the emergency hand chain on MGRL models.
Steps to adjust limit switch cams and micro switches for door positions.
How to adjust the sensitivity of the internal lock sensor.
Essential safety and best practices for wiring the operator.
Instructions for connecting control stations and entrapment devices.
Table detailing terminal functions for control station, sensing edge, and interlocks.
Procedures for manually operating the door during power failure.
How to use the manual release cable to disengage the operator.
Instructions for operating the optional chain hoist.
Recommended checks for drive chain, sprockets, fasteners, and bearings.
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