Craftsman 139.53664SRT2 owner manual Attach the Belt Cap Retainer, To attach the belt cap retainer

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Assembly Step 5

Attach the Belt Cap Retainer

To attach the belt cap retainer:

Position the belt cap retainer over the opener sprocket so the two holes in cap align with the two holes in mounting plate. Attach with 8x3/8" hex screws provided.

Hardware Shown

Actual Size

Hex Screw

#8x3/8'

Hex Screws _---_-- _

#8x3/8" ,_ - Belt Cap Retainer

_t_=_'_l Opener Sprocket

Plate

You have now finished assembling your garage door opener. Please read the following

warnings before proceeding to the installation section:

IMPORTANT INSTALLATION INSTRUCTIONS

To reduce the risk of severe injury or death to persons:

1.READ AND FOLLOW ALL INSTALLATION INSTRUCTIONS.

2.Install only on a properly balanced and lubricated garage door. An improperly balanced door may not reverse and could resuff in severe injury or death. Repairs to cables, spring assemblies and other hardware must be made by a professional service person before installing opener.

3.Disable all locks and remove all ropes connected to the garage door before installing the opener. Ropes connected to a garage door can cause entanglement and death.

4.If possible, install door opener 7 feet or more above floor with the emergency release handle mounted 6 feet above the floor.

5.Do not connect the opener to power source until instructed to do so.

6.Locate the Door Control within sight of the door at a minimum height of 5 feet where small children cannot reach, and away from aU moving parts of the door.

7.Install the User Safety Instruction Label on the wall adjacent to the door control and the Maintenance Instruction Label in a prominent location on the inside of the garage door.

8.Upon completion of the installation, the door must reverse when it comes in contact with a one-inch high object or a 2x4 laid flat on the floor.

9.Do not wear watches, rings or loose clothing while installing or servicing an opener. Jewelry or loose clothing can be caught in the mechanism of the garage door or the opener.

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Contents CRRFTSMIiN MechanicalElectricaL Start by Reviewing these Important Safety Alert SymbolsYoull Need Tools Work properly. See page 30. Floor or door should Otherwise, the safety reverse system may notClosed Position It must close on the floor all the way acrossHardw&faSlsenlguired One-P ece Door without TrackOne-Piece Door with Track Carton Inventory Safety Reversing Sensor Installation Hardware Installation HardwareHardware Shown Actual Size Assembly Section Pages 8Assembly Step Assemble the T-rail Attach the Belt Pulley BracketFasten the T-rail to the Opener Install the Trolley on the T-railCheck to make sure the belt is not twisted Install the Belt Set Belt TensionPlace To attach the belt cap retainer Attach the Belt Cap RetainerProceed to , Installation Section Installation Step#youneed to install the header bracket Pages 12Example One-piece door without track Jamb hardwareDoorHardware Shown Actual Size Install the Header BracketFasten the Header Bracket to the Wall Fasten the Header Bracket to the CeilingShown Actual Size Attach the T-rail Header BracketPosition the Opener Is not properly secured. Fasten the opener Hang the OpenerOpener could fall and injure someone if it Install the Premium Control Console Install the lights Install the Lights LensesInstall the lenses 32 explains how to use the door controlElectrical Requirements If permanent wiring is required by your localCode, refer to the following procedure Facing the door from inside the garage Safety Reversing SystemAlternate Floor Mount Install the Safety Reversing SensorSensors will face each other across the garage door Finger tighten the lock nutsTrouble Shooting Aligning the Safety SensorsBracket Hodzontal and vertical reinforcement Fasten Door BracketScrewsnot provided Hole Alignment Alternative Connect Door Arm to TrolleyTogether to the longest possible length, with a 2 or Adjustment Procedures for One-Piece DoorsFasten the straight and curved door arm sections If the door does not close completely Adjustment Section Pages 28Adjust the UP and Down Limits How and When to Adjust the LimitsTest the Down close force Adjustment StepAdjust the Force How and When to Adjust the ForcesAdjustment Test The Safety Reversing SensorTest the Safety Reverse System Important safety checkCare of Your Opener MaintenanceTo reduce the risk of severe Injury or death to personsOperation of the Door Controls Operation of Your OpenerIf you do not have a Premium Control Console Receiver and Remote Control ProgrammingIf you have a Premium Control Console Situation Having a Problem?Probable Cause and Solution Probable Cause & Solution Installation Parts Repair PartsRail Assembly Parts Opener Assembly Parts Repair PartsIf you do not have Premium Control Console AccessoriesFor Sectional Doors On12 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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