Craftsman 139.53648SRT2, 139.53834SRT3 Start by reviewing these important safety alert symbols

Models: 139.53648SRT2 139.53645SRT3 139.53834SRT3 139.53335SRT3 139.53646SRT2 139.53660SRT1

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Contents

Page

A reviewof safety alert symbols

2

You',need tools

3

Safety informationregardinggarage door locks

 

and ropes

3

Testingyour garage doorfar sticking,binding

 

and b_Jance

3

Illustretionof sectionaldoor installation

4

Illustretionof one-piecedoor installation

5

Carton inventory

6

Hardware inventory

7

Assembly section - pages 8 - 11

 

AssembleT-reii

8

Attachcable pulleybracket

8

Installtrolley

9

Fasten T-reitto opener

9

Installchain/cable

10

Attach sprocketcover

10

"tightenthe chainand cable

11

Installation section - pages 11 -27

 

Installationsafety instructions

11

Determine headerbracket location

 

Sectionaldoor

12

One-piece door

13

Installthe headerbracket

14

Attachthe T-rail to header bracket

15

Positionthe opener

16

Hang the opener

17

Installthe doorcontrol

18

Contents

Page

Installthe lightand lens

19

Attach emergencyrelease ropeand handle

19

Electricalrequirememts

20

Safety reversingsensorinformation

21

Installthe safety reversingsensor

22, 23

Fastendoor bracket (sectionaldoor)

24

Fastendoor bracket(one-piecedoor)

25

Connectdoor arm to trolley(sectionaldoor)

26

Connectdoor arm to trolley(one-piecedoor)

27

Adjustment section - pages 28 - 30

 

Travel limitadjustments

28

Forceadjustments

29

Test the safety reversingsensor

30

Test the safety reverse system

30

Operationsafety instructions

31

Care ofyour opener

31

Maintenanceschedule

31

Operationof youropener

32

Receiverand remote controlprogramming

33

Having a problem?

34, 35

Repair parts, railassembly

36

Repair parts, installation

36

Repair parts,opener assembly

37

Accessories

38

Index

39

How to order repair parts

40

Maintenanceagreement

40

Warranty

40

Start by reviewing these important safety alert symbols

When you see these Safety Symbols on the following pages, they will alert you to the poeslblllty of serious injury or denthff you do not comply with the corresponding instructions. The hazard may come from something mechanical or from electric shock. Rend the instructions carefully.

I A WARNING

I AWARNING

I

Mechanical

Electrical

When you see this Safety Symbol on the following pages, It will alert you to the possibility of damage to your garage door and/or the garage door opener if you do not comply with the corresponding instructions. Read the instructions carefully.

I A CAUTION

This garage door opener is designed and tested to offer safe service provided it is installed, operated, maintained and tested in strict accordance with the safety Instructions contained in this manual.

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Craftsman 139.53648SRT2, 139.53834SRT3, 139.53646SRT2, 139.53645SRT3 Start by reviewing these important safety alert symbols

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.