Planning

Identify the type and height of your garagedoor. Surveyyour garageareato see if any of the conditions below apply to your installation. Additional materials may be required. You may find it helpful to refer back to this pageand the accompanying illustrations as you proceed with the installation of your opener.

Depending on your requirements,there are several installation

steps which may call for materials or hardware not included in the carton.

•Installation Step 1 - Look at the wall or ceiling above the garagedoor. The header bracket must be securely fastened to structural supports.

•Installation Step 5 - Do you have a finished ceiling in your garage? If so, a support bracket and additional fastening hardware may be required.

•Installation Step 12- Dependingupon garageconstruction,

extension brackets or wood blocks may be neededto install sensors.

•Installation Step 12 - Alternate floor mounting of the safety reversingsensor will require hardware not provided.

SECTIONALDOOR INSTALLATION

Doyou have an access door in addition to the garagedoor? If not, Model 139.53702 Emergency Key Releaseis required. See Accessories page.

Look at the garage door where it meets the floor. Any gap betweenthe floor and the bottom of the door must not exceed

1/4" (6 mm). Otherwise,the safety reversal system may not work properly. SeeAdjustment Step 2. Floor or door should be repaired.

SECTIONALDOORINSTALLATION

•Doyou have a steel, aluminum, fiberglass or glass panel door? If so, horizontal and vertical reinforcement is required (Installation Step 8).

•The opener should be installed above the center of the door. If there is a torsion spring or center bearing plate in the way of the headerbracket, it may be installed within 4 feet (1.22 m) to the left or right of the door center. See Installation Steps 1 and 8.

•If your door is more than 7 feet (2.13 m) high, see rail extension kits listed on Accessories page.

Horizontal and vertical reinforcement is needed for lightweight garage doors (fiberglass, steel, aluminum, door with glass panels, etc.). See page 18 for details.

Rail

Header Wall

Extension Spring

OR

Torsion Spring

FINISHED CEILING

Support bracket & fastening hardware is required.

See page 16.

Wall- mounted

Door Control

AccessDoor

Gap between floor and bottom of door

must not exceed 1/4" (6 mm).

0

 

Header

 

CLOSED POSITION

 

Bracket

Trolley

 

 

 

Stop Bolt

Trolley

Safety

 

 

 

Reversing

 

 

Belt

Sensor

 

 

 

 

 

 

Emergency Release

 

 

 

Rope & Handle

 

 

Curved

 

Header

 

Door

 

Wall

 

Arm

 

Garage

 

 

 

Door

Bracket

 

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Craftsman 139.3043 owner manual Planning, Sectionaldoor Installation, Sectionaldoorinstallation, AccessDoor
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139.3043 specifications

The Craftsman 139.3043 garage door opener stands out as a robust and reliable solution for homeowners looking to enhance the functionality and security of their garage spaces. This model is designed with the latest technologies and features, making it one of the preferred choices in the market.

One of the key features of the Craftsman 139.3043 is its powerful motor, which provides a smooth and quiet operation. With a lifting capacity that accommodates most standard residential garage doors, this opener ensures that users can operate their doors seamlessly without unnecessary noise. The blend of power and quiet functionality enhances the overall user experience, making it ideal for homes with bedrooms or living areas adjacent to the garage.

The opener also boasts a durable rail system, designed for easy installation and longevity. The straightforward design simplifies the installation process, enabling a typical DIY enthusiast to set it up without the need for professional assistance. Additionally, the sturdy construction of the rail system ensures that it can withstand the rigors of daily use.

Safety and security are paramount with the Craftsman 139.3043. It incorporates advanced safety features, such as the automatic reverse function, which prevents accidents by reversing the door's motion when an obstacle is detected. This feature adds peace of mind for families with children and pets. Furthermore, the built-in security technology includes a rolling code system that changes the access code each time the remote is used, thus protecting against potential unauthorized access.

The Craftsman 139.3043 is equipped with remote control capabilities, allowing users to open and close their garage doors from a distance. The remote is designed to be user-friendly, with buttons that are easy to operate. Additionally, many models include a smartphone app integration, empowering users to control their garage door via their mobile devices, providing convenience and modern accessibility.

Another notable characteristic is the vibrant LED lighting that illuminates the garage space when the door is in use. This not only enhances visibility but also contributes to the overall safety of the area, preventing accidents in dimly lit environments.

In summary, the Craftsman 139.3043 garage door opener combines power, ease of use, advanced safety features, and modern technology. Its reliable performance and user-friendly elements make it a top choice for homeowners seeking an effective solution to their garage door needs.
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