Craftsman 139.53978SRT One-Piece Door with Track, One-Piece Door without Track, Closed Position

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Before you begin, survey your garage area to

see whether any of the conditions below apply to your installation.

Header

Wall

__

Reversinc

ap between floor and bottom Sensor"

Safety of door must not exceed 1/4".

Reversing Sensor

Based on your particular requirements, there are several installation steps which might call for materials and/or hardware not included in the carton.

•Step 1, page 13 - Look at the wall or ceiling above the garage door. The header bracket mustbe securely fastened to structural supports.

•Step 5, page 17 - Do you have a finished ceiling in your garage? If so, a support bracket and additional fastening hardware (not provided) may be required.

•Safety reversing sensor, page 21 - Depending on garage construction, wood blocks or extension brackets (see Accessories page 38) may be needed to fasten sensors to mounting locations.

•Step 10, page 22 - Floor mounting of the safety reversing sensor will require hardware that is not provided.

•Step 11, page 25 - Generally, a one-piece door does not require reinforcement. If your door is lightweight, you can refer to the information relating to sectional doors on page 24.

•Step 11, page 25 - Depending on your door's construction, you might need additional mounting hardware for the door bracket.

•Do you have an access door in addition to the garage door? If not, Model 53702 Emergency Key Release is required. See page 38.

•The gap between the bottom of the garage door and the floor cannot exceed 1/4%

Otherwise, the safety reverse system may not work properly. See page 30. The floor or the door should be repaired.

One-Piece Door without Track

FINISHED CEILING

supportbracket"_

&fastening_'_ _

h_rdware is required. See page 17.

_Trolley

Stop Bolt

Cable

Trolley

EmergenCy

Release

Rope & Handle

leader

-----

One-Piece Door with Track

 

 

;afety

 

 

Reversing

.. Safety

across width of door

Sensor

Reversing

 

 

Sensor

 

 

 

 

 

Closed

Position

/JJ/_

Trolley

Stop Bolt

Cable

Chain

 

Wall" _

_ Header

 

Rail

 

B_cket

 

i_;

 

 

 

 

 

 

Emergency

 

 

Bracket

Door Arm

Release

 

 

-- Rope &

 

 

oor

Straight

Handle

 

_BG

_-

 

 

arage Door

You may find it helpful to refer back to this page as you proceed with the installation of your opener.

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Contents Garage Door Opener Instructions. Read the instructions carefully Start by reviewing these important safety alert symbolsYoull Need Tools Closed Position SafetyBased on your particular requirements, there are Closed Position One-Piece Door with TrackOne-Piece Door without Track Section Carton Inventory@ @ Safety Reversing SensorAssembly Step Assembly Section Pages 8Hardware Shown Actual Size Install the Idler PulleyFasten the Rail to the Opener Master Link Clip-OnSpdng Unk Cap Install the Chain/Cable Attach the Sprocket Cover= Lo Tro,.y Tighten ChainProceed to , Installation Section Pages 12 Installation StepDetermine Header Bracket Location Example One-piece door without track Jamb hardwareCeiling Header Bracket Installation Install the Header BracketWall Header Bracket Installation Insert a ring fastener to secure Attach the Rail to the Header BracketWith the door fully open and parallel to the floor Position the OpenerHang the Opener Installation StepSlide down to secure. Adjust screw for snug fit Install the Door ControlSerious injury or death Shown Actual Size UihJIlnJIlilililil IlilnInstall the light Install the Light and the LensInstall the lens Attach the Emergency Release Rope and HandleRightWrong Permanent Widng ConnectionsElectrical Requirements Important Information about Safety Reversing Sensor Safety Reversing SystemInstalling the Brackets Sensor Safety ReversingBe sure power to the opener is disconnected Garage door track installation preferredTrouble Shooting the Safety Sensors Mounting and Wiring the Safety SensorsAligning the Safety Sensors Fasten Door Bracket IIIIIlllillllILllllllllllllllllNut IIIIIII11111111LLLIIIIIlIAbove holes Connect Door Arm to TrolleyRBok Adjustment Procedures for One-Piece Doors How and When to Adjust the Limits Adjustment Section Pages 28 Adjustment StepAdjust the UP and Down Limits Adjustment Step If the door does not close completelyHow and When to Adjust the Forces Adjust the ForceTest the Safety Reverse System Test The Safety Reversing SensorImportant safety check Press the remote control push button to open the doorSchedule MaintenanceTo reduce the risk of severe injury or death to persons Manual disconnect Position Operation of Your OpenerOperation of the Door Control see If you have a Premium Control Console Receiver and Remote Control ProgrammingIf you do not have a Premium Control Console SECURITY,ISituation Probable Cause and Solution Having a Problem?Door opens but Situation Probable Cause SolutionOpener lights blink for 5 seconds Doesnt turn offInstallation Parts Repair PartsRail Assembly Parts Br co.tact ASSEMe,v Opener Assembly PartsOnly through Sears Parts & Service AccessoriesFor Sectional Doors Onl With the door closedIndex Para ordenar piezas con entrega a domicilio For in-homemajor brand repair serviceSears Warranty

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.
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