Garage Door Opener

Model # 139664056 Official Craftsman garage door opener

Here are the diagrams and repair parts for Official Craftsman 139664056 garage door opener, as well as links to manuals and error code tables, if available.

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Browse Parts for
139664056 Garage Door Opener
Screw 171A183
#1

Chassis assembly diagram

Screw

Part #171A183

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

T-rail 183B39
#15C

Chassis assembly diagram

T-rail

Part #183B39

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

Clevis Pin 146A30
#3

Rail assembly diagram

Clevis pin

Part #146A30

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

Cap Screw STD523710
#9

Rail assembly diagram

Cap screw

Part #STD523710

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

Carriage Bolt STD533120
#30

Rail assembly diagram

Carriage bolt

Part #STD533120

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

Screw STD510803
#30

Chassis assembly diagram

Screw

Part #STD510803

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

Trans Case 4A1196
#1

Radio controls diagram

Trans case

Part #4A1196

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

Shaft Plate 142A103
#6

Chassis assembly diagram

Shaft plate

Part #142A103

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

Interrupter 4A1382
#26

Chassis assembly diagram

Interrupter

Part #4A1382

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

I.r. Board 4A1379
#24

Chassis assembly diagram

I.r. board

Part #4A1379

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

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

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

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

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

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

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 gear and sprocket assembly

How to replace a chain-drive garage door opener gear and sprocket assembly

Learn how to replace the gear and sprocket assembly on your garage door opener if the drive motor runs but the door won'…

Repair difficulty
Time required
 60 minutes or less
How to replace a garage door opener logic board

How to replace a garage door opener logic board

The logic board is the brains of the garage door opener. If the remote doesn't work or the door doesn't open and close p…

Repair difficulty
Time required
 60 minutes or less
How to replace a garage door opener drive chain and cable assembly

How to replace a garage door opener drive chain and cable assembly

If your garage door won’t move, the chain and cable assembly on your garage door opener could be broken. Follow these st…

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 repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…