Craftsman 139.53664SRT2 Safety Reversing System, Facing the door from inside the garage

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The Safety Reversing System

Information you'll need before you begin the installation of the safety reversing sensor.

The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the down direction. This is a required safety device and cannot be disabled,

Installation procedures are the same for sectional and one-piece doors.

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Without a properly working safety reversing sensor, persons (particularly children) could be injured or killed by a closing garage door. Read and follow all instructions.

To protect small children, install the safety reversing sensor so that the beam will be no

higher than 4"-6" above the garage floor.

Disconnect power to the garage door opener before installing the safety reversing sensor.

Be sure power to the opener is disconnected.

The sending eye transmits an invisible light beam to the receiving eye. The units can be installed on either side of the garage door as long as the sun never shines directly into the receiving eye lens.

Look at the label on the connector end of each case to identify the sensors.

The brackets must be connected and fastened so that the sending and receiving eyes face each other as shown in Figure 1.

If an obstruction breaks the light beam while the garage door is closing, the door will stop and reverse to full open position and the opener lights will flash for 5 seconds.

The brackets mustbe securely fastened to a solid surface such as the studs on either side of the door,

or add a piece of wood at each location if installing in masonry construction.

The invisible light beam path must be unobstructed. No part of the garage door (or door tracks, springs, hinges, rollers or other hardware) can interrupt the beam while the door is closing. If it does, use a piece of wood to build out each sensor mounting location to the minimum depth required for light beam clearance.

 

 

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Beam

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Invisible Light Beam

Protection Area

Figure 1: Facing the door from inside the garage

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Contents CRRFTSMIiN MechanicalElectricaL Start by Reviewing these Important Safety Alert SymbolsYoull Need Tools Closed Position Otherwise, the safety reverse system may notIt must close on the floor all the way across Work properly. See page 30. Floor or door shouldOne-P ece Door without Track One-Piece Door with TrackHardw&faSlsenlguired Carton Inventory Safety Reversing Sensor Installation Hardware Installation HardwareAssembly Step Assembly Section Pages 8Assemble the T-rail Attach the Belt Pulley Bracket Hardware Shown Actual SizeFasten the T-rail to the Opener Install the Trolley on the T-railInstall the Belt Set Belt Tension PlaceCheck to make sure the belt is not twisted To attach the belt cap retainer Attach the Belt Cap Retainer#youneed to install the header bracket Installation Section Installation StepPages 12 Proceed to ,Example One-piece door without track Jamb hardwareFasten the Header Bracket to the Wall Install the Header BracketFasten the Header Bracket to the Ceiling DoorHardware Shown Actual SizeShown Actual Size Attach the T-rail Header BracketPosition the Opener Hang the Opener Opener could fall and injure someone if itIs not properly secured. Fasten the opener Install the Premium Control Console Install the lenses Install the Lights Lenses32 explains how to use the door control Install the lightsIf permanent wiring is required by your local Code, refer to the following procedureElectrical Requirements Facing the door from inside the garage Safety Reversing SystemSensors will face each other across the garage door Install the Safety Reversing SensorFinger tighten the lock nuts Alternate Floor MountTrouble Shooting Aligning the Safety SensorsBracket Hodzontal and vertical reinforcement Fasten Door BracketScrewsnot provided Hole Alignment Alternative Connect Door Arm to TrolleyAdjustment Procedures for One-Piece Doors Fasten the straight and curved door arm sectionsTogether to the longest possible length, with a 2 or Adjust the UP and Down Limits Adjustment Section Pages 28How and When to Adjust the Limits If the door does not close completelyAdjust the Force Adjustment StepHow and When to Adjust the Forces Test the Down close forceTest the Safety Reverse System Test The Safety Reversing SensorImportant safety check AdjustmentTo reduce the risk of severe MaintenanceInjury or death to persons Care of Your OpenerOperation of the Door Controls Operation of Your OpenerReceiver and Remote Control Programming If you have a Premium Control ConsoleIf you do not have a Premium Control Console Having a Problem? Probable Cause and SolutionSituation Probable Cause & Solution Repair Parts Rail Assembly PartsInstallation Parts Opener Assembly Parts Repair PartsAccessories For Sectional Doors On12If you do not have Premium Control Console Index Product Type Part Number Model Description 8OO-366-PART

139.53664SRT2 specifications

The Craftsman 139.53664SRT2 is a highly regarded garage door opener that combines reliability, advanced technology, and user-friendly features. Designed for residential use, this model stands out due to its robust functionality and ease of installation, making it a popular choice among homeowners.

One of the standout features of the Craftsman 139.53664SRT2 is its powerful motor. It boasts a 1/2 horsepower motor capable of lifting standard residential garage doors with ease. This strength means reliable performance even in adverse weather conditions, ensuring that your door operates smoothly and efficiently each time.

Another key technology in this model is the Smart Control system. The Craftsman 139.53664SRT2 allows users to operate their garage door remotely, thanks to its built-in Wi-Fi connectivity. By connecting to a smartphone app, homeowners can monitor and control their garage door from anywhere, providing added convenience and security. This feature also enables users to receive alerts and notifications, ensuring they are always informed about the status of their garage door.

Security is a top priority for the Craftsman brand, and the 139.53664SRT2 features advanced security measures, including rolling code technology. This technology generates a new access code each time the remote is used, effectively preventing unauthorized access and ensuring that your garage remains secure.

The installation of the Craftsman 139.53664SRT2 is straightforward, thanks to its user-friendly design and comprehensive instructions. Many users appreciate that it can be installed as a DIY project, saving on installation costs while providing the satisfaction of completing the task themselves. The system is compatible with most existing garage door systems, making it versatile for different setups.

In terms of noise level, the Craftsman 139.53664SRT2 operates quietly, allowing for a smooth opening and closing process without disturbing the household. This feature is particularly beneficial for those with living spaces above the garage.

Overall, the Craftsman 139.53664SRT2 is a dependable garage door opener that integrates modern technology, ensuring safety, convenience, and ease of use. Its powerful motor, Wi-Fi capability, and enhanced security features make it a valuable addition to any home.
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