Craftsman 139.53978SRT owner manual Repair Parts, Rail Assembly Parts, Installation Parts

Models: 139.53978SRT

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Repair Parts

Rail Assembly Parts

4

3

KEY

PART

 

 

NO.

NO.

DESCRIPTION

 

 

1

1A995

Master link kit

 

2

41C5141-1

Complete trolley assembly

 

3

183C158-3

Rail -

front (header) section

7

4

183C157-3

Rail -

center/beck section (2)

 

5

144C56

Chain Idler pulley

 

6

41A5249

Chain and cable

 

7

144C62

Spreader (2)

 

8

12D598

U bracket

Installation Parts

2

4

\

KEY PART NO. NO,

141A4899

2 10A20

3 41A5032

429B137

541A2828

6217A238

712B590

841A5047

9178B35

10 31D431

11 10A2

12 31B430

13 178B34

14 12B350

15 41A5034

162B477-1

41A5258

114A2400

DESCRIPTION

Standard control console

3V 2032 Lithium battery

3-function remote control housing (no circuit board)

Visor clip

Emergency rope & handle assy.

2-conductor bell wire - white & white/red

Header bracket w/clevis pin & fastener

Door bracket w/clevis pin & fastener Curved door arm section

Keyless entry keypad cover 12 Volt battery

Keyless entry battery cover Straight door arm section Hanging brackets

Safety sensor kit (receiving and sending eyes) with 3'2-conductor bell wire attached

Safety sensor brackets (2)

NOT SHOWN

Assembly & Installation hardware bag (see page 7),

Owner's manual

10

11

12-

15 14

16

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Craftsman 139.53978SRT owner manual Repair Parts, Rail Assembly Parts, Installation Parts

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.