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Craftsman 139664956 garage door opener

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.

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Browse Parts for 139664956 Garage Door Opener

  • T-rail End for Craftsman 139664956 - Part 183B36

    Rail assembly diagram

    T-rail End

    Part #183B36

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

  • Hex Nut for Craftsman 139664956 - Part STD541031

    Rail assembly diagram

    Hex Nut

    Part #STD541031

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

  • Cap Screw for Craftsman 139664956 - Part STD523710

    Rail assembly diagram

    Cap Screw

    Part #STD523710

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

  • Back Panel for Craftsman 139664956 - Part 1A2460

    Chassis assembly diagram

    Back Panel

    Part #1A2460

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

  • Ret Spacer for Craftsman 139664956 - Part 4A1273

    Chassis assembly diagram

    Ret Spacer

    Part #4A1273

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

  • Transformer for Craftsman 139664956 - Part 4A1202

    Chassis assembly diagram

    Transformer

    Part #4A1202

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

  • Wire Harness for Craftsman 139664956 - Part 1B2479

    #NI

    All parts diagram

    Wire Harness

    Part #1B2479

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

  • Trans Case for Craftsman 139664956 - Part 4A1205

    Radio controls diagram

    Trans Case

    Part #4A1205

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

  • Bearing Set for Craftsman 139664956 - Part 4A1421

    Chassis assembly diagram

    Bearing Set

    Part #4A1421

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

  • Clamp Lug for Craftsman 139664956 - Part 28A15

    Chassis assembly diagram

    Clamp Lug

    Part #28A15

    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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