Garage Door Opener

Model # 139664953 Official Craftsman electronic garage door opener with receiver

Here are the diagrams and repair parts for Official Craftsman 139664953 electronic garage door opener with receiver, as well as links to manuals and error code tables, if available.

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139664953 Electronic Garage Door Opener with Receiver
Transmitter 6634
#5A

Receiver & transmitter diagram

Transmitter

Part #6634

The manufacturer no longer makes this part, and there's no substitute part

Chassis Assembly 4A1258
#9

Chassis assembly diagram

Chassis assembly

Part #4A1258

The manufacturer no longer makes this part, and there's no substitute part

Terminal 1A2510
#13

Chassis assembly diagram

Terminal

Part #1A2510

The manufacturer no longer makes this part, and there's no substitute part

Cover 31C230
#2

Chassis assembly diagram

Cover

Part #31C230

The manufacturer no longer makes this part, and there's no substitute part

Wire 28 Ft 219A276
#10

Receiver & transmitter diagram

Wire 28 ft

Part #219A276

The manufacturer no longer makes this part, and there's no substitute part

Grip Spring 133A131
#41

Chassis assembly diagram

Grip spring

Part #133A131

The manufacturer no longer makes this part, and there's no substitute part

Sh Metal Scr STD610602
#29

Chassis assembly diagram

Sh metal scr

Part #STD610602

The manufacturer no longer makes this part, and there's no substitute part

Wire Harness 1B2479

#NI

All parts diagram

Wire harness

Part #1B2479

The manufacturer no longer makes this part, and there's no substitute part

Shaft Plate 142A103
#5

Chassis assembly diagram

Shaft plate

Part #142A103

The manufacturer no longer makes this part, and there's no substitute part

Screw 171A274
#6

Receiver & transmitter diagram

Screw

Part #171A274

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your garage door openers

Choose a symptom to see related garage door opener repairs.

Main causes: neighbor's remote programmed at the same time as yours, faulty wall control wiring, bad wall control unit…

Things to do: check garage door travel, tighten brackets and fasteners, test safety sensors, check travel limits and for…

Main causes: safety sensor beams blocked, safety sensors not aligned, downforce setting needs adjustment, damaged garage…

Main causes: garage door opener misaligned, travel limits need adjustment, bad travel limit switches, faulty logic contr…

Main causes: garage door locked, damaged garage door tracks, up-force setting needs adjustment, RPM sensor failure, bad …

Main causes: loose fasteners, broken brackets, need preventive maintenance, worn drive gears, loose or worn belt, loose …

Main causes: faulty logic control board, bad RPM sensor, broken gears in the drive system, bad drive motor…

Main causes: radio interference, weak remote batteries, sunlight interference with safety sensor beams, safety sensors n…

Most common repair guides to help fix your garage door openers

These step-by-step repair guides will help you safely fix what’s broken on your garage door opener.

How to replace a chain-drive garage door opener motor

How to replace a chain-drive garage door opener motor

Get your garage door moving again by replacing a defective motor in your garage door opener.…

Repair difficulty
Time required
 60 minutes or less
How to replace a chain-drive garage door opener RPM sensor

How to replace a chain-drive garage door opener RPM sensor

Learn how to replace the RPM sensor if the door only moves 6 to 8 inches at a time and the LED light flashes 5 times. …

Repair difficulty
Time required
 60 minutes or less
How to replace a chain-drive garage door opener drive and worm gears

How to replace a chain-drive garage door opener drive and worm gears

If your garage door won’t move, the drive and worm gears could be broken. This guide will help you replace the gears.…

Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your garage door openers

Use the advice and tips in these articles and videos to get the most out of your garage door opener.

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

How to open a garage door with an opener manually

How to open a garage door with an opener manually

Learn how to open a garage door manually if power to your garage door opener fails.…