Installation Section: Pages 12 - 27

Installation Step I

Determine Header Bracket Location

Installation procedures vary according to garage door types. Follow the instructions which apply to your door.

__

 

Vedical

__ Header __

Guideline

Wall

 

2x4

Finished __

Ceiling

Structural

If the header bracket Is not rigidly fastened to a structural support on the header wall or ceiling, the safety reverse system may not work properly (see page 30). The door might not reverse when required, and could cause serious injury or death.

The garage door springs, cables, pulleys, brackets and their hardware are under extreme

tension. Do not attempt to loosen, move or adjust them yourself. Serious personal injury or death could result. Call for professional garage door service.

J

Open your door to the highest point of travel as shown. Draw

an intersecting horizontal line on the header wall 2" above

the high point This height will provide travel clearance for the top edge of the door.

Door clearance brackets are available for sectional doors when headroom clearance is less than 2" See accessory page 38.

 

Supports

 

Close the door and mark the inside

 

 

 

vertical centerline of the garage door

 

 

 

Extend the line onto the header wall

 

 

 

above the door.

 

 

 

Remember, you can fasten the

 

 

 

header bracket within 2 feet of the

 

 

 

left or right of the door center onlyif

 

 

 

a torsion spring or center bearing

.Vertical

 

 

plate is in the way; or you can attach

 

 

it to the ceiling (refer to page 14)

I

 

 

 

 

when clearance is minimal. (It may

 

 

be mounted on the wall upside down

 

 

 

if necessary, to gain approximately

 

 

 

1/2".)

 

 

 

/f you need to install the header bracket

 

 

 

on a 2x4 (on wall or ceiling), use lag

 

 

 

screws (not provided) to securely fasten

 

 

 

the 2x4 to structural supports as shown

 

 

 

here and on page 13.

 

Ceiling

 

 

 

Header

 

 

2

wall

Track

Header

I_'*_High t'Point

 

Track

 

 

of Travel

Highest Point

of Travel

DOOr

Sectional

door

One-piece door

with curved

track

with horizontal track

Proceed to Step 2, page 14.

12

Page 12
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Craftsman 139.53978SRT Installation Section Pages 12 Installation Step, Determine Header Bracket Location, Proceed to

139.53978SRT specifications

The Craftsman 139.53978SRT is an advanced garage door opener that combines reliability, performance, and ease of use. Designed to cater to the needs of modern homeowners, this model stands out with its robust features and technological innovations.

One of the key highlights of the Craftsman 139.53978SRT is its powerful motor, delivering a peak horsepower equivalent to ensure smooth and efficient operation. This allows it to effortlessly lift even the heaviest of garage doors, making it suitable for various types of residential garage doors. The quiet operation of this opener is another major advantage, allowing for a peaceful environment in and around the garage.

Another notable feature is the smart technology integration. The Craftsman 139.53978SRT is compatible with a range of smart home systems, allowing users to control their garage door remotely via a smartphone app. This feature not only adds convenience but also enhances security, as users can receive alerts and notifications about the status of their garage door, ensuring peace of mind.

Security is a priority with this model, which comes equipped with rolling code technology. This mechanism generates a new code each time the remote is used, preventing unauthorized access and ensuring that your garage remains secure from intruders. Additionally, the enhanced safety features include safety sensors that detect obstacles, automatically reversing the door's movement if something is detected, thereby preventing accidents.

Installation and setup are straightforward, thanks to the user-friendly design of the Craftsman 139.53978SRT. The unit includes detailed instructions and all necessary hardware for installation. Many users can set it up within a few hours without the need for professional assistance.

With a durable construction, the Craftsman 139.53978SRT is built to last. It has a sleek design that complements various home aesthetics while withstanding wear and tear from daily use. Maintenance is minimal, with easy access to essential components for servicing.

In summary, the Craftsman 139.53978SRT offers a perfect blend of power, technology, and security features. Its user-friendly design, combined with smart technology compatibility and robust safety measures, makes it an ideal choice for homeowners seeking a reliable garage door opener. Whether you’re looking to upgrade an old system or install a new one, this model is sure to meet your requirements and enhance the functionality of your garage.