ASSEMBLY STEP 1

Assemble the Rail

To avoid installation difficulties, do not run the garage door opener until instructed to do so.

1.Open the rail carton and remove the contents onto a level work surface. Keep it clean and free of debris while you are working.

2.Identify the rail sections and orient the sections on a flat surface as shown. The back rail has a black gear on one end. The header rail has a black plastic rack

inside the rail on the screw. The remaining section is the center rail.

NOTE: Use caution when handling the center rail section. The screw can slip out if the section is tipped up too far.

Remove Cardboard Packing

Hanging Brackets

Rail Support Braces

Straight

Header Rail Brackets

Back

Hex Bolts 1/4-20x7/16"

Hex Bolts 1/4-20x7/16"

To prevent INJURYfrom pinching, keep hands and fingers awayfrom the joints while assembling the rail.

HARDWARE SHOWN ACTUAL SIZE

Hex bolt 1/4-20x7/16"

 

Rail Assembly

Rail Assembly

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Remove Cardboard Packing

Sprocket

Coupling

 

Remove

 

Cardboard

 

Packing

Hex Bolts 1/4-20x7/16"

Header Rail

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Craftsman 139.53993D owner manual Assembly Step, Assemble the Rail
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139.53993D specifications

The Craftsman 139.53993D is a top-tier garage door opener designed for efficiency, convenience, and durability. This model is part of Craftsman's renowned lineup, known for reliable home improvement products. With its advanced features and technology, this garage door opener offers users a blend of functionality and modern convenience.

One of the standout features of the Craftsman 139.53993D is its powerful motor. Equipped with a robust 1/2 horsepower motor, it delivers strong lifting power, making it suitable for handling standard residential garage doors with ease. This strength ensures a smooth and reliable operation, even for heavier doors.

The technology integrated into the Craftsman 139.53993D significantly enhances security. This model utilizes a rolling code technology that changes the code each time the remote is used, making it nearly impossible for intruders to gain access. The safety features extend to the presence of an infrared safety sensor, which detects any obstacles in the door’s path and reverses its direction, preventing accidents and injuries.

Convenience is a key characteristic of this garage door opener. The Craftsman 139.53993D is compatible with various remote controls, including a keypad entry, allowing for keyless entry. Additionally, the model includes an integrated Wi-Fi capability. This feature grants homeowners remote access via a mobile app, enabling them to monitor and control their garage door from anywhere, adding an extra layer of convenience.

Installation is user-friendly owing to its clear instructions and included components. Most users can set it up in a short timeframe without professional help. Furthermore, the design of the motor unit is compact, allowing for easy placement and ensuring that it does not take up excessive space in the garage.

Alongside its functionality, the Craftsman 139.53993D is built with durability in mind. It features all-steel construction, providing long-lasting reliability and strength, suitable for the demands of daily use. The quiet operation is another impressive feature, ensuring that the door opens and closes smoothly without causing disturbances.

In summary, the Craftsman 139.53993D garage door opener stands out with its powerful motor, advanced security features, convenient technology, and robust construction. It reflects Craftsman's commitment to quality and innovation in home improvement solutions, making it a dependable choice for homeowners seeking a reliable garage door opener.
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