ONE-PIECEDOORS

Please read and comply with the warnings and reinforcement instructions on the previous page. They apply to one-piece doors also.

•Center the door bracket on the top of the door, in line with the header bracket as shown. Mark either the left

and right, or the top and bottom holes.

•Drill 5/16" pilot holes and fasten the bracket with hardware supplied.

If the door has no exposed framing, drill 3/16" pilot holes and fasten the bracket with 5/16"x1-1/2" lag screws (not provided) to the top of the door.

NOTE: The door bracket may be installed on the top edge of the door if required for your installation. (Refer to the dotted line optional placement drawing). Drill 3/16" pilot holes and substitute 5/16"x1-1/2" lag screws (not provided) to fasten the bracket to the door.

Header Wall

2x4

-- Finished Ceiling --

 

HARDWARE SHOWN ACTUAL SIZE

Nut 5/16" 18

Lock Washer 5/16"

Carriage Bolt 5/16" 18x2 1/2"

Header

Bracket

Optional

Placement

of Door

Bracket

Vertical

Centefline

of Garage

Door

Horizontal and vertical

reinforcement is needed for

garage doors

(fiberglass, aluminum, steel, door with glass panel, etc.). (Not Provided)

5/16"18

Door

Bracket

Lock

Washer

E5/16"

Top of Door

Top Edge

Optional

Placement

Carriage Bolt

For a door with no exposed framing,

5/16"

18x2

1/2"

 

or for the optional installation, use 5/16"xl 1/2" lag screws (Not Provided) to fasten door bracket.

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Sears 139.53915D owner manual One-Piecedoors
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139.53915D specifications

The Sears 139.53915D is a significant addition to the lineup of garage door openers, blending both functionality and modern technology to enhance user convenience. This model is designed to accommodate residential garage doors, forming a reliable solution for homeowners who prioritize safety, security, and ease of use.

One of the standout features of the 139.53915D is its powerful motor, capable of handling heavy garage doors with ease. With its 1/2 horsepower motor, it ensures a smooth and swift opening and closing mechanism, allowing for quick access while still maintaining durability. This strength is particularly beneficial for larger or heavier doors that require more power for reliable operation.

The opener utilizes a chain drive system, renowned for its durability and strength. Chain drive systems are highly effective in providing reliable performance, making them a popular choice for various households. Despite this robust mechanism, the opener remains relatively quiet during operation, minimizing disruptions in the home environment.

A key characteristic of the Sears 139.53915D is its security features. It is equipped with rolling code technology, which generates a new code every time the remote control is used. This significantly enhances security by preventing unauthorized access and ensuring that only designated users can operate the garage door.

Additionally, the model features a safety reverse system, which automatically reverses the door's direction if it encounters an obstruction while closing. This not only protects vehicles and other possessions but also safeguards pets and children—an essential component for family households.

Installation of the Sears 139.53915D is designed to be straightforward, with comprehensive instructions that facilitate an efficient setup process. For those who prefer a seamless experience, the opener is compatible with several accessories, including smart home technologies. This compatibility allows users to integrate their garage door opener into a broader home automation system, providing added convenience and control through smartphone apps or smart devices.

In summary, the Sears 139.53915D garage door opener is a robust, reliable choice for homeowners seeking an efficient and secure opening mechanism. Its combination of a powerful motor, durable chain drive system, advanced security features, and ease of installation make it a formidable option in the market for garage door solutions.
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