Manuals / Craftsman / Household Appliance / Garage Door Opener

Craftsman 139.53664SRT2 owner manual Install the Belt Set Belt Tension, Place

Models: 139.53664SRT2

1 40
Download 40 pages 50.11 Kb
Page 10
Image 10

Assembly

Step

4

I

Install the Belt

& Set

the Belt Tension

I

1.Drop the notched side of the trolley clip into the retaining slot on top of the trolley. (Figure 1)

2.Grasp the clip connector at the end

of the belt and slip it through the belt //f_'_,'_ pulley bracket from behind, around

the pulley and toward the trolley.

_,,/_

3. Fasten

the belt

clip connector to the

_/LI

trolley

.....

a mas[er InK:

Belt Clip/

chp with

Connector

•Push pins of master link bar through holes in trolley clip and belt

clip connector.

 

Slip Belt Clip

 

Connector

• Push master link cap over pins and

through

Pulley Bracket

onto pin

notches.

 

 

from this direction

• Slide clip-on spring over cap and

and attach

to trolley clip

onto pin notches until both pins are

 

securely

locked

in place.

 

4.With the trolley against the screwdriver, dispense the belt along the rail and around the opener sprocket. The sprocket teeth must engage the belt. (Figure 2)

5.Use the second master link to connect the belt to

the flat end of the trolley threaded shaft. (Figure 1)

Check to make sure the belt is not twisted.

6.Remove the screwdriver.

Figure 2

Opener Sprocket

7.Insert the trolley threaded shaft through the hole in the trolley.

8.Hold the belt at the trolley shaft to avoid twisting as you thread the spring/trolley nut by hand on the shaft until finger tight against the trolley.

(Figure 3) Do not use any tools.

Figure 1

Master Link Master

Clip-On Spring

Th re_T_l°_YhaN_tj "/

Master

Unk Bar

Pin

Clip Connector

Belt

Pulley

Figure 4

Trolley

Threaded

" .

Shaft

Ring

Square End

9.Insert a screwdriver tip into one of the nut ring slots and brace it firmly against the trolley. (Figure 4)

10.Place a 7/16" open end wrench on the square end. Roate about 1/4 turn until the spring releases and snaps the nut ring against the trolley. (Figure 5)

This extends the spring for optimum belt tension.

Figure 3

Figure 5

 

Trolley

_rolley

Thr2 2d

AFTER RELEASE

Trolley Nut

10

Page 9 Page 11
Page 10
Image 10
Craftsman 139.53664SRT2 owner manual Install the Belt Set Belt Tension, Place, Check to make sure the belt is not twisted
Page 9 Page 11

139.53664SRT2 specifications

The Craftsman 139.53664SRT2 is a highly regarded garage door opener that combines reliability, advanced technology, and user-friendly features. Designed for residential use, this model stands out due to its robust functionality and ease of installation, making it a popular choice among homeowners.

One of the standout features of the Craftsman 139.53664SRT2 is its powerful motor. It boasts a 1/2 horsepower motor capable of lifting standard residential garage doors with ease. This strength means reliable performance even in adverse weather conditions, ensuring that your door operates smoothly and efficiently each time.

Another key technology in this model is the Smart Control system. The Craftsman 139.53664SRT2 allows users to operate their garage door remotely, thanks to its built-in Wi-Fi connectivity. By connecting to a smartphone app, homeowners can monitor and control their garage door from anywhere, providing added convenience and security. This feature also enables users to receive alerts and notifications, ensuring they are always informed about the status of their garage door.

Security is a top priority for the Craftsman brand, and the 139.53664SRT2 features advanced security measures, including rolling code technology. This technology generates a new access code each time the remote is used, effectively preventing unauthorized access and ensuring that your garage remains secure.

The installation of the Craftsman 139.53664SRT2 is straightforward, thanks to its user-friendly design and comprehensive instructions. Many users appreciate that it can be installed as a DIY project, saving on installation costs while providing the satisfaction of completing the task themselves. The system is compatible with most existing garage door systems, making it versatile for different setups.

In terms of noise level, the Craftsman 139.53664SRT2 operates quietly, allowing for a smooth opening and closing process without disturbing the household. This feature is particularly beneficial for those with living spaces above the garage.

Overall, the Craftsman 139.53664SRT2 is a dependable garage door opener that integrates modern technology, ensuring safety, convenience, and ease of use. Its powerful motor, Wi-Fi capability, and enhanced security features make it a valuable addition to any home.