Assembly Step 5

_ghten the Chain & Cable

Spfn the inner nut and lock washer down the threaded shaft, away from the trolley.

To tighten the chain, turn outer nut in the direction shown. As you turn the nut, keep the chain from twisting.

When the chain is approximately 1/2" above the base of the T-rail at its midpoint, re-tighten the inner nut to secure the adjustment

Sprocket noise can result if chain is either too loose or too tight

When installation is complete, you may notice some chain droop with the door closed. This is normal. If the chain returns to the pos_en shown when the door is open, do not re-adjustthe chain°

NOTE: During future maintenance, ALWAYS pull the emergency release handle to disconnect trolley before adjusting chain.

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Outer Nul Washer lnne'rNut

To T_ghten O,.er Nut

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

warnings before proceeding to the installation section:

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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 result 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 all 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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Craftsman 139.53675SRT owner manual Important Installation Instructions, Ghten the Chain & Cable

139.53675SRT specifications

The Craftsman 139.53675SRT is a versatile garage door opener designed to offer homeowners convenience, reliability, and a host of advanced features. Known for its ease of use and robust performance, this model has gained popularity in various residential settings.

One of the standout features of the Craftsman 139.53675SRT is its powerful 1/2 horsepower motor. This motor is designed to lift standard garage doors with efficiency and speed, providing a smooth opening and closing experience. Whether your door is lightweight or heavy, this opener can handle the task with minimal noise and vibration.

Incorporating advanced technology, the Craftsman 139.53675SRT features a rolling code security system. This enhances safety by changing the access code every time the remote is used, preventing unauthorized access. This technology ensures that you can trust your garage door opener to keep your home secure.

Another notable characteristic of this model is its compatibility with smartphone technology. The unit supports Smart Garage technology, allowing users to connect via their smartphones. Users can monitor and control their garage door from anywhere, adding an extra layer of convenience to everyday life.

Additionally, the Craftsman 139.53675SRT comes with a wireless keypad, which allows for keyless entry and makes it easy for family members or trusted friends to access the garage without needing to give out remotes. This keypad can be mounted outside the garage door, ensuring that anyone needing entry can do so without hassle.

Installation is made simpler with the detailed instructions provided, and the opener is designed to work with most standard garage door sizes. Additionally, the unit features a soft start and stop mechanism that reduces wear on the door and opener, extending the lifespan of both.

Safety is a priority with the Craftsman 139.53675SRT. The unit is equipped with safety sensors that detect obstructions in the door’s path, automatically reversing if anything is in the way. This feature helps to prevent accidents and injuries, particularly in households with children or pets.

In summary, the Craftsman 139.53675SRT is a reliable and feature-rich garage door opener that prioritizes convenience, safety, and technology. With its powerful motor, advanced security features, and smart connectivity, it has positioned itself as a strong contender in the market for garage door openers.