You'llNeed Tools

During assembly, installationand adjustment of the opener, instructionswill call for hand tools shownbelow.

Pencil

 

 

 

oDoolooo

O

L_

Level

 

 

Hack

Saw

 

 

Tape Measure

 

 

 

 

 

 

Wire

Cutters

 

 

Dnl_

3/16", 5/16"

and

 

Claw Hammer

 

 

 

 

5/32" Dn_l

Bits

Pliers

 

 

Stepladder

 

 

Adjustable

End Wrench

 

 

 

WARNINGCAUTION

An unbalanced garage door might not reverse when required and someone under the door could be seriously injured or killed.

If your garage door binds, sticks or is out of balance, call for professional garage door

service. Garage doora, door springs, cables, pulleys, brackets and their hardware are under extreme tension and can cause serious injury or death. Do not fry to loosen, move or adjust them yourselfl

Ropes left on a garage door could cause someone to become entangled and killed. Remove all ropes connected to the door before installing and operating the opener,

Identify the type and height of your door and any special conditions that exist and any additional materials that may be required by referring to the lists on page 4 or page 5.

To avoid damage to the garage door and opener, disable locks before installing and operating the opener. Use a wood screw or nail to hold locks in the "open" (unlocked) position.

Operation at other than 120V 60 Hz will cause opener malfunction and damage.

Before you begin, complete the following test to make sure your door Is balanced, and Is not sticking or binding:

Uft the door about halfway as shown. Release the door. It should stay in place, supported entirely by its springs.

Raise and lower the door to see if there is any binding or sticking.

ONE-PIECE DOOR

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Craftsman 139.53645SRT3, 139.53834SRT3, 139.53646SRT2, 139.53648SRT2, 139.53660SRT1, 139.53335SRT3 owner manual YoullNeed Tools

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.