Separate all hardware from the packages in the rail carton and the opener carton, as

shown below, for the assembly and installation procedures.

Assembly Hardware

Washered Screw

Hex Screw

Nut

Carriage Bolts

 

5/16"-18xl/2' (2)

5/16'-18x7/8" (3)

5/16'-18 (5)

 

1/4"-20xl/2" (4)

Master Link (2)

(mounted in Opener)

 

 

 

 

 

 

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Trolley Threaded Shaft (1)

Lock Washer

Lock Nut

 

 

5/16' (4)

1/4'-20x7/16 ° (4)

Installation Hardware

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5/16"-9xl -5/8"(2)

 

Ring

 

Fastener (3)

Nut 5/16"-18 (6)

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Lag Screw

5/16"-18x1°7/8' 12)

Hex Screw

5/16"-18x7/8" (4)

Handle

insulated Lock Washer 5/16" (6) I

Staples (10)

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5/, 6Ca.SaS_.2ge,(2)lt

Dry Wall Anchors (2)

6ABSCxl"re_2)

 

Rope

 

o_

_

o_

 

Clevis Pin

 

Clevis Pin

 

Clevis Pin

5/16"x2-3/4" (1)

 

5/16"x1" (1)

 

5/16"xi°1/4" (1)

Safety

Reversing Sensor

 

 

Installation

Hardware

©

 

 

 

 

 

1/4 x1-1/2 ° (4)

Carriage Bolts

Lock Nut

Wing Nut (2)

1/4'-20 (4)

 

 

114"-20xl/2 ° (4)

 

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Hex Screw

Screw

 

LOCkNut

Insulated

 

#10x32 (4)

Staples (20)

1/4=20x1-1/2"(2)

#10-32x5/8' (4)

7

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Craftsman 139.53646SRT2, 139.53834SRT3, 139.53648SRT2 Installation Hardware, Safety Reversing Sensor Installation

139.53648SRT2, 139.53645SRT3, 139.53834SRT3, 139.53335SRT3, 139.53646SRT2 specifications

The Craftsman 139.53660SRT1, 139.53646SRT2, 139.53335SRT3, 139.53834SRT3, and 139.53645SRT3 are a series of advanced garage door openers designed for homeowners looking to enhance convenience, security, and functionality in their daily lives. Each model is equipped with cutting-edge technologies that streamline garage access while ensuring safety and durability.

One of the standout features across these models is the use of a powerful motor system, providing reliable performance for heavy garage doors. The motor's horsepower rating varies across the models, but all ensure consistent lifting strength and rapid opening and closing speeds, catering to different door weights and sizes.

In terms of security, these Craftsman models incorporate advanced encryption technologies, making unauthorized access nearly impossible. The security features include rolling code technology, which changes the access code each time the remote is used, thus preventing cloning and ensuring that only authorized users can operate the door.

These openers also prioritize ease of use. With their compatible smartphone app integration, users can remotely control and monitor their garage doors. Whether they are at home or away, users can receive notifications, check the status of their doors, and even open or close them at the touch of a button, adding an extra layer of convenience.

The installation process is also user-friendly, with many of these models featuring an easy-to-follow instruction manual. Homeowners can typically complete the installation themselves, saving time and money compared to hiring a professional. The durable construction of these openers ensures that they withstand the test of time, with many units equipped with weather-resistant materials that protect against rust and corrosion.

In addition to their functional features, the aesthetic designs of the Craftsman series are noteworthy. They fit seamlessly into a variety of garage styles, with a sleek finish that enhances overall garage appeal.

Overall, the Craftsman 139.53660SRT1, 139.53646SRT2, 139.53335SRT3, 139.53834SRT3, and 139.53645SRT3 garage door openers represent a blend of functionality, security, and user convenience. Homeowners seeking reliable, smart, and efficient solutions for managing their garage doors will find these models highly effective, offering peace of mind and ease of use in their everyday lives.