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Craftsman 139664956 garage door opener Parts

Here are the diagrams and repair parts for Craftsman 139664956 garage door opener, as well as links to manuals and error code tables, if available.

Craftsman 139664956 garage door opener
By Schematic
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Browse Parts for 139664956 Garage Door Opener

  • Limit Lever for Craftsman 139664956 - Part 113C33

    Chassis assembly diagram

    Limit Lever

    Part #113C33

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

  • T-rail for Craftsman 139664956 - Part 183B39

    Chassis assembly diagram

    T-rail

    Part #183B39

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

  • 53/mfd250 for Craftsman 139664956 - Part STD376205

    Chassis assembly diagram

    53/mfd250

    Part #STD376205

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

  • Spring Washer for Craftsman 139664956 - Part 216B141

    Chassis assembly diagram

    Spring Washer

    Part #216B141

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

  • Logic Bd for Craftsman 139664956 - Part 41A2570

    Chassis assembly diagram

    Logic Bd

    Part #41A2570

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

  • Bearing Set for Craftsman 139664956 - Part 4A1420

    Chassis assembly diagram

    Bearing Set

    Part #4A1420

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

  • Rec Case Ay for Craftsman 139664956 - Part 4A1207

    Radio controls diagram

    Rec Case Ay

    Part #4A1207

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

  • Line Cord Ay for Craftsman 139664956 - Part 1A1614

    Chassis assembly diagram

    Line Cord Ay

    Part #1A1614

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

  • T-rail Pkg for Craftsman 139664956 - Part 2A184

    #NI

    All parts diagram

    T-rail Pkg

    Part #2A184

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

  • Garage Door Opener Curved Door Arm for Craftsman 139664956 - Part 178B23

    Rail assembly diagram

    Garage Door Opener Curved Door Arm

    Part #178B23

    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 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 ...

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

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

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

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

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

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

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 garage door opener battery

How to replace a garage door opener battery

The garage door won't move during a power outage if the battery is dead. Here’s how to replace it....

Repair time and Difficulty

 15 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 time and Difficulty

 60 minutes or less
How to replace a garage door opener drive belt

How to replace a garage door opener drive belt

A damaged or broken belt on your garage door opener could be the reason it won’t move the door. Here’s how to fix it....

Repair time and Difficulty

 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.

Installing a sensor sun shield on your garage door opener video

Installing a sensor sun shield on your garage door opener video

This inexpensive gadget prevents sunlight interference with the sensors....

Garage door opener remotes won't work video

Garage door opener remotes won't work video

If your remotes don't work, you might need to disable the lock feature, eliminate RF interference or check the batteries...

Easy DIY garage door opener repairs

Easy DIY garage door opener repairs

You can repair your garage door opener yourself. We show you how....

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