Index

 

Access

Door/Outside

Key Release

Accessory

4, 5

Chain Tension

 

 

 

 

 

4, 5, 11

Electrical

Safety

Warnings

 

2, 20, 31

Garage

Door

 

 

 

 

 

 

 

 

 

Testing for balance, binding and sticking

3, 28, 31

Determining high point of travel:

 

 

Sectional

door

 

 

 

 

12

One-piece

 

door

 

 

 

 

13

Disabling existing locks

 

 

3, 11

Door clearance

brackets (for garages with low headroom)

12, 38

Force controls

 

 

 

 

 

 

 

Adjustment procedures

 

4, 29

Problems that might require force

adjustments

34, 35

Safety warnings

..........................................................................................................................................

 

 

 

29, 31

Door hardware

 

 

 

 

 

3, 9, 11, 12, 18, 31,32

Maintenance

instruction label

11,28

Reinforcement requirements

...........................................................................................................................

4, 24

Removing of all ropes

 

 

3, 11

Possible door damage

 

 

16, 24

Travel

limits

 

 

 

 

 

 

 

 

Adjustment procedures

 

28

Problems that might

require limit adjustments

34, 35

Safety warnings

..........................................................................................................................................

 

 

 

28, 31

Manual (Emergency) Release Rope & Handle

 

Lockout feature

....................................................................................................................................................

 

 

 

 

32

Manual disconnect

 

 

 

32

Safety warnings

 

 

 

 

11, 19, 31,32

Opener

Terminals

 

 

 

 

 

 

Door control

 

connections

.....................................................................................................................................

 

18

Safety

reversing

sensor

connections

...................................................................................................................

23

Operational

Noise

 

 

 

 

 

 

Sprocket

noise

 

 

 

 

 

11

Vibration

noise

(isolator

kit)

.................................................................................................................................

34

Receiver

and Remote

Control

 

 

Programming

the

receiver

 

33

Erasing

all codes

 

 

 

 

33

Activating other

openers

 

33

Safety

warning

.....................................................................................................................................................

 

 

 

 

33

Problems with remote control operation

34

Safety

Reverse

Test

Procedure

30

Testing

required

 

 

 

 

11,30, 34, 35

Safety

reverse

system

problems

 

 

Securing

header

bracket

to wall

12

Adjusting

 

travel

limits

........................................................................................................................................

 

28

Applying

excessive

force

on the door

29

Buckling

or uneven

floor

 

4, 5

Safety

Warnings

.........................................................

 

 

 

2, 3, 9, 11,12,

16, 18, 19, 20, 21,24, 28, 29, 30, 31,32, 33

User Instruction

Label

for

garage

wall

11, 18

39

Page 39
Image 39
Craftsman 139.53645SRT3, 139.53834SRT3, 139.53646SRT2, 139.53648SRT2, 139.53660SRT1, 139.53335SRT3 owner manual Index

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.