ASSEMBLY STEP 4

Install the Chain/Cable

and Attach the Sprocket Cover

1.Pull the cable around the idler pulley and toward the trolley.

2.Connect the cable loop to the retaining slot on the trolley, as shown:

From below, push pins of master link bar up through cable loop and trolley slot.

Push master link cap over pins and past pin notches.

Slide clip-on spring over cap and onto pin notches until both pins are securely locked in place.

3.With the trolley against the pliers, dispense the remainder of the cable/chain along the rail toward the motor unit and around the sprocket. The sprocket teeth must engage the chain.

4.Check to make sure the chain is not twisted, then connect it to the threaded shaft with the remaining master link.

5.Thread the inner nut and lock washer onto the the trolley shaft.

6.Insert the trolley threaded shaft through the hole in the trolley. Be sure the chain is not twisted.

7.Loosely thread the outer nut onto the trolley shaft.

8.Remove the locking pliers.

9.Align the tabs on the sprocket cover with the slots

in the mounting plate. Squeeze cover and insert tabs in slots.

Cable

Loop

Idler

Cable

Toavoid possibleseriousinjury to fingersfrom moving garagedoor opener:

ALWAYSkeephandclear of sprocketwhile operating opener.

Securelyattach sprocketcoverBEFOREoperating.

Dispensing Carton

Leave Chain and Cable

Inside Dispensin9

Carton to Prevent Kinking,

Keep Chain and Cable

Taut When Dispensing

i I i

<

Master

Link Cap

 

 

Pin

 

 

 

Notch

 

 

Sha_

 

 

 

 

Link Bar

 

 

Hole

 

 

Hole

Sprocket

 

 

 

Cover ---{r't [-'].,J

Motor Unit

Master

 

_;" ,

Sprocket

Link Bar

Front

 

Back

 

Tab Slot

',

Tab Slot

10

Page 10
Image 10
Sears 139.53968SRT, 139.53960SRT, 139.53971SRT owner manual Inside Dispensin9, Master Link Cap, Sha, Sprocket

139.53960SRT, 139.53968SRT, 139.53971SRT specifications

Sears 139.53971SRT, 139.53968SRT, and 139.53960SRT are a series of garage door openers that have gained recognition for their reliability and advanced features. These models represent a shift towards smarter technology in home automation, providing homeowners with increased convenience, security, and control over their garage doors.

One of the standout features of these models is their Smart Technology integration. Each unit is equipped with the ability to connect to Wi-Fi, allowing users to control their garage doors remotely through a smartphone app. This means that you can open or close your garage door from anywhere, check its status, and receive notifications if the door is left open for an extended period. This feature enhances home security by providing real-time updates, giving users peace of mind when they are away from home.

The 139.53971SRT model is designed with a powerful motor that ensures smooth and quiet operation, making it suitable for homes with bedrooms adjacent to the garage. It features a built-in battery backup system, which is crucial during power outages, providing peace of mind that your garage door can still be operated.

Meanwhile, the 139.53968SRT and 139.53960SRT models come with a range of safety features such as the security keypad and 3-button remote control, which allow multiple users to gain access without the need for a physical key. The Smart Technology also incorporates advanced encryption protocols that help prevent unauthorized access, ensuring the garage remains secure.

Additionally, all three models are designed for easy installation and come with a variety of installation accessories. Their adaptability makes them compatible with a wide range of garage doors, enhancing their appeal for different homeowners.

In terms of longevity, the garage door openers are built with high-quality materials, promising durability and a longer lifespan. They also feature a noise-dampening design that minimizes operational sound, making them an excellent choice for residential applications.

Overall, the Sears 139.53971SRT, 139.53968SRT, and 139.53960SRT garage door openers combine modern technology with user-friendly features to offer a secure, efficient, and convenient garage solution for today's smart homes. Their innovative approach addresses the traditional needs of homeowners while embracing new technological advancements, making them a relevant choice in today's market.