Motor Unit Assembly Parts

7

5

1918

"13

15

17

14

16

Brown

(Down)

 

LIMIT SWITCH

Contact

 

ASSEMBLY

Wire

\

 

 

\

 

 

 

 

 

 

Wire

Gear

 

 

 

Center

Limit

(Up)

Yellow

Contact

 

Contact

Wire

KEY

PART

 

 

 

 

 

KEY

PART

 

 

 

 

 

 

NO.

NO.

DESCRIPTION

 

 

NO.

NO.

DESCRIPTION

 

 

1

31D380

Sprocket

cover

 

 

12

41A3150

Terminal

block w/screws

 

2

41C4220A

Gear and

sprocket assembly

13

41D3058

Universal

replacement

motor &

 

 

Complete

with: Spring

washer,

 

 

bracket assembly

 

 

 

 

Thrust washer,

Retaining ring,

 

 

Complete

with: Motor,

worm,

 

 

Bearing plate, Roll pins (2),

 

 

bracket, bearing

assembly,

 

 

Drive gear and worm gear,

 

 

RPM

sensor

 

 

 

 

 

Helical gear

w/retainer

and

14

41 D328-7

Cover

 

 

 

 

 

 

grease

 

 

 

 

15

41A2818

Limit switch drive & retainer

3

41A2817

Drive/worm

gear kit w/grease

 

 

 

 

 

 

 

 

 

 

Roll pins (2)

 

 

 

16

41D3452

Limit

switch assembly

 

4

41B4245

Line cord

 

 

 

 

17

41C4398A

RPM

sensor

assembly

 

5

41C4253

Wire harness assembly

w/plug

18

41A2826

Shaft

bearing

kit

 

 

6

41A5021-2F

Receiver

logic

board assembly

19

41A2822A

Interrupter

cup assembly

7

41A4351

End panel w/all

labels

 

20

41A4352

End

panel

 

 

 

8

175B88

Light socket

 

 

 

 

 

NOT SHOWN

 

 

 

9

108D58-2

Lens

 

 

 

 

 

41A2825

Opener assembly

hardware kit

 

 

 

 

 

 

 

 

 

(includes

screws

not designated

10

30B363

Capacitor

-

1/2 HP

 

 

 

by a number

in illustration).

11

12A373

Capacitor

bracket

 

 

 

 

 

 

 

 

 

38

Page 38
Image 38
Sears 139.53975SRT1, 139.53962SRT1 owner manual Motor Unit Assembly Parts, KEY Part Description, Not Shown

139.53975SRT1, 139.53962SRT1 specifications

The Sears 139.53962SRT1 and 139.53975SRT1 are two sophisticated garage door opener models that have gained significant attention for their innovative features and technologies. These devices represent the cutting edge of convenience and security in residential garage systems.

One of the standout features of both models is the integrated MyQ technology. This allows users to control their garage doors remotely using a smartphone app, ensuring seamless access even when they are away from home. Whether you’re on vacation or simply running errands, the ability to monitor and control your garage door from anywhere adds an unmatched level of convenience and peace of mind.

Both the 139.53962SRT1 and 139.53975SRT1 come equipped with a powerful ¾ HP motor. This robust motor provides sufficient lifting power for standard-sized garage doors, ensuring efficient and reliable operation. The powerful motor is designed to handle heavy doors with ease, making it a suitable choice for a variety of residential applications.

Safety is a critical aspect of garage door systems, and these models excel in this area. They feature advanced safety sensors that detect obstructions in the door’s path. This means that if something is in the way as the garage door closes, it will automatically reverse, preventing potential accidents and injuries.

In addition to safety sensors, both models are equipped with rolling code technology. This system enhances security by changing the access code every time the remote is used, preventing unauthorized access and potential break-ins.

Another noteworthy characteristic of these garage door openers is their quiet operation. Thanks to a specially designed belt drive system, both models minimize noise during operation, making them ideal for homes with living spaces situated above the garage.

Installation is made simpler with the inclusion of detailed instructions and user-friendly components, allowing most homeowners to set up the system with minimal hassle.

Overall, the Sears 139.53962SRT1 and 139.53975SRT1 garage door openers combine powerful performance with advanced technology, safety features, and ease of use, making them top choices for anyone looking to upgrade their garage door system.