Planning (Continued)

ONE-PIECE DOOR INSTALLATIONS

Generally, a one-piece door does not require reinforcement. If your door is lightweight, refer to the information relating to sectional doors in Installation Step 11.

Depending on your door'sconstruction, you may need additional mounting hardware for the door bracket (Step 11).

ONE-PIECE DOOR WITHOUT TRACK

FINISHED

Support br_ & fastening hardware is required, See page 16,

Without a properly working safety reversal system, persons (particularly small children) could be SERIOUSLYINJUREDor KILLEDby a closing garagedoor.

The gap betweenthe bottom of the garage door and the floor MUST NOTexceed 1/4" (6 mm). Otherwise,the safety reversal system may not work properly.

The floor or the garage door MUST be repaired to eliminate the gap.

Header Wall

J

I

Rail /J

Wall mounted

Motor Unit

Door

DE_orControl

CLOSED POSITION

Access

f#

Trolley Stop Bolt

Belt Trolley

 

 

Safet'

Reversing

 

Emergency

 

 

 

 

Gap

between floor

Sensor

 

Rope & Handle

Safety Reversing Sensor and

bottom of door

must not

exceed 1/4" (6 mm),

Straight

Curved

 

 

 

 

Door

Door

 

 

 

 

Arm

Arm

leader

Jail-- Garage Door

J ONE-PIECE DOOR WITH TRACK

 

 

CLOSED

POSITION

 

 

Trofley Stop

BoA

Belt

Trotby

 

Door

I

Curved

 

 

 

Header

 

 

 

Bracket

Door

 

Rail

 

 

Door

 

 

Emergency

 

 

 

 

Straight

Release

 

 

 

 

Rope &

 

 

 

 

Door

 

 

Garage

 

Arm

Handb

 

 

Door

 

 

 

 

Reversing

 

 

 

 

Gap between floor

Sensor

 

 

 

 

and bottom of door

 

 

 

 

 

must not exceed 1/4" (6 ram),

 

 

 

 

Reversing Sensor

Page 5
Image 5
Sears 139.53915D owner manual ONE-PIECE Door Installations, ONE-PIECE Door Without Track, ONE-PIECE Door with Track

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.