IMPORTANT

SAFETY

INSTRUCTIONS

I &w...,.o

II

I

To reduce the risk of severe injury or death to persons:

1.READ AND FOLLOW ALL INSTRUCTIONS.

2.Do not permit children either to operate or to play with the opener. Keep remote control in a location inaccessible to children.

3.Operate opener only when the door is in full view and free from any obstruction. Keep the door in sight until it is completely closed. NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR.

4.Check safety reversal system monthly. See page 30. The garage door MUSTreverse on contact with a one-inch (or a 2x4 board laid flat) object placed on the floor. If an adjustment is made to either the force or the limit of travel, both adjustments may be needed and the safety reversal system must be checked. Failure to properly adjust the opener may result in severe injury or death.

5.If possible, use the emergency release only when the door is in a closed position. Caution should be taken whenever the disconnect cord is actuated with the door open. Weak or broken springs may cause the door to fall rapidly, causing injury or death to persons.

6.KEEP GARAGE DOORS PROPERLY BALANCED. See page 3. An improperly balanced door may not reverse when required and could result in severe injury or death.

Repairs to cables, spring assemblies and other hardware must be made by a professional garage door person.

7.Disconnect the electric power to the garage door opener before making any repairs or removing the covers.

8.SAVE THESE INSTRUCTIONS.

Care of Your Opener

Limit and force adjustment controls

Limit Controls

Force Controls

Adjustment

Label

Adjustment Label

(Located on the left

side panel)

(Located on the right side panel)

Weather conditions may cause some minor changes in door operation requiring some re- adjustments, particularly during the first year of operation.

Pages 28 and 29 refer to the limit and force adjustments. Only a screwdriver is required. Follow the instructions carefully.

Repeat the safety reverse test (page 30) after any adjustment of limits or force.

Maintenance

Once a Month

Manually operate door. If it is unbalanced or binding, call for professional garage door service.

Check to be sure door opens & closes fully. Adjust limits and/or force if necessary.

(See pages 28 and 29.)

Repeat the safety reverse test. Make any necessary adjustments (See page 30).

The remote

control

3-FUNCTION

The lithium

batteries should

Open this end

first to avoid

produce power for up to

cracking

 

5 years. To replace batteries,

 

use the visor clip or screwdriver

 

blade to pry open the case, as

 

shown. ("Open" location is

COMPAC_

 

 

Twist here

stamped on back of transmitter

to open

 

case.) Insert batteries positive side down.

Replace cover as follows. 3-Function remote: Insert the 3 tabs at the opposite end and snap shut. Compact 3-Function remote: Snap shut along both sides. Dispose of old batteries properly.

Keep batteries away from small children. If'

WARNINGI

swallowed, promptly notify doctor.

Schedule

Twice a Year

Check chain tension. Disconnect trolley first. Adjust if necessary (See page 11).

Once a Year

Oil door rollers, bearings and hinges. The opener does not require additional lubrication. Do not grease the door tracks.

31

Page 30 Page 32
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Craftsman 139.53646SRT2 To reduce the risk of severe injury or death to persons, Care of Your Opener, Maintenance
Page 30 Page 32

139.53648SRT2, 139.53645SRT3, 139.53834SRT3, 139.53335SRT3, 139.53646SRT2 specifications

The Craftsman 139.53660SRT1, 139.53646SRT2, 139.53335SRT3, 139.53834SRT3, and 139.53645SRT3 are a series of advanced garage door openers designed for homeowners looking to enhance convenience, security, and functionality in their daily lives. Each model is equipped with cutting-edge technologies that streamline garage access while ensuring safety and durability.

One of the standout features across these models is the use of a powerful motor system, providing reliable performance for heavy garage doors. The motor's horsepower rating varies across the models, but all ensure consistent lifting strength and rapid opening and closing speeds, catering to different door weights and sizes.

In terms of security, these Craftsman models incorporate advanced encryption technologies, making unauthorized access nearly impossible. The security features include rolling code technology, which changes the access code each time the remote is used, thus preventing cloning and ensuring that only authorized users can operate the door.

These openers also prioritize ease of use. With their compatible smartphone app integration, users can remotely control and monitor their garage doors. Whether they are at home or away, users can receive notifications, check the status of their doors, and even open or close them at the touch of a button, adding an extra layer of convenience.

The installation process is also user-friendly, with many of these models featuring an easy-to-follow instruction manual. Homeowners can typically complete the installation themselves, saving time and money compared to hiring a professional. The durable construction of these openers ensures that they withstand the test of time, with many units equipped with weather-resistant materials that protect against rust and corrosion.

In addition to their functional features, the aesthetic designs of the Craftsman series are noteworthy. They fit seamlessly into a variety of garage styles, with a sleek finish that enhances overall garage appeal.

Overall, the Craftsman 139.53660SRT1, 139.53646SRT2, 139.53335SRT3, 139.53834SRT3, and 139.53645SRT3 garage door openers represent a blend of functionality, security, and user convenience. Homeowners seeking reliable, smart, and efficient solutions for managing their garage doors will find these models highly effective, offering peace of mind and ease of use in their everyday lives.
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