Preparingyourgarage door

Before you begin:

Disablelocks.

Removeany ropes connected to garage door.

Completethe followingtest to make sure your garage door is balanced and is not sticking or binding:

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

2.Raiseand 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.

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To prevent possible SERIOUSINJURYor DEATH:

ALWAYScall a trained door systems technician if garage door binds, sticks, or is out of balance. An unbalanced garagedoor may NOTreversewhen 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 opener to avoid entanglement.

To prevent damage to garage door and opener:

ALWAYSdisable locks BEFOREinstalling and operating the opener.

ONLY operate garagedoor opener at 120V, 60 Hzto avoid malfunction and damage.

Sectional Door

One-Piece Door

Tools needed

During assembly, installation and adjustment of the opener, instructions will call for handtools as illustrated below.

(optional)

_

Pencil

 

Tape Measure

Hack Saw

Drill

Drill Bits 3/16"

Wire Cutters

_I(

 

 

5/16", and 5/32"

Screwdriver

8o

Stepladder

8 8

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Adjustable End Wrench

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Craftsman 139.3043 owner manual Preparingyourgarage door, One-Piece Door

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.