Preparing your garage door

Before you begin:

•Disable locks.

•Remove any ropes connected to garage door.

•Complete the following test to make sure your garage door is balanced and is not sticking or binding:

1.Lift the door about halfway as shown. Release the door. If balanced, it should stay in place, supported entirely by its springs.

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

If your door binds, sticks, or is out of balance, call a trained door systems technician.

Sectional Door

One-Piece Door

To prevent possible SERIOUSINJURYor DEATH:

•ALWAYScall a trained door systems technician if garage door binds, sticks or is out of balance An unbalancedgarage door may not reversewhen required

•NEVERtry to loosen, move or adjust garagedoor, door

springs, cables, pulleys, brackets or their hardware,ALL of which are under EXTREMEtension

•DisableALL locks and removeALL ropes connected to garagedoor BEFOREinstalling and operating garagedoor openerto avoid entanglement.

To prevent damage to garage door and opener:

•ALWAYSdisable locks BEFOREinstalling and operating the opener.

•ONLYoperate garagedoor opener at 120V,60 Hzto avoid malfunction and damage.

Tools needed

During assembly, installation and adjustment of the

opener, instructions will call for hand tools as illustrated below.

Level (optional)

Pencil

Hack Saw

Tape Measure

Wire Cutters

Screwdriver

Stepladder

Adjustable End Wrench

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Sears 139.53915D owner manual Tools needed, Preparing your garage door
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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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