Position the Opener

INSTALLATION STEP 4

Follow instructions which apply to your door type as illustrated.

SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK

A 2x4 laid flat is convenient for setting an ideal door-to-rail distance.

•Remove foam packaging.

•Raise the opener onto a stepladder. You will need help at this point if the ladder is not tall enough.

•Open the door all the way and place a 2x4 laid flat on the top section beneath the rail.

•If the top section or panel hits the trolley when you raise

the door, pull down on the trolley release arm

to disconnect inner and outer sections. Slide the outer trolley toward the motor unit. The trolley can remain disconnected until Installation Step 12 is completed.

ENGAGED

ONE-PIECE DOOR WITHOUT TRACK

A 2x4 on its side is convenient for setting an ideal door-to-rail distance.

•Remove foam packaging.

•Raise the opener onto a stepladder. You will need help at this point if the ladder is not tall enough.

•Open the door all the way and place a 2x4 on its side on the top section of the door beneath the rail.

•The top of the door should be level with the top of the motor unit. Do not position the opener more than 4" (10 cm) above this point.

To prevent damage to garage door, rest garage door opener rail on 2x4 placed on top section of door.

I_'::_1 Door

2x4 is used to determine

H Header

2x4 is used to determine

the correct mounting height

i	from ceiling.

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.

Sears 139.53915D owner manual Position the Opener, Sectional Door or ONE-PIECE Door with Track

Models: 139.53915D

INSTALLATION STEP 4