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Craftsman
Garage Door Opener

Model # 139663800 Official Craftsman garage door opener

Here are the diagrams and repair parts for Official Craftsman 139663800 garage door opener, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 96 parts  |
Transmitter 6634

#NI

All parts diagram

Transmitter

Part #6634

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

Screw 171A183
#1

Chassis assembly diagram

Screw

Part #171A183

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

Wire Harn. 1B1884

#NI

All parts diagram

Wire harn.

Part #1B1884

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

Cotter Pin 146A19
#21

Rail assembly diagram

Cotter pin

Part #146A19

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

Bracket 12A279
#27

Chassis assembly diagram

Bracket

Part #12A279

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

Roll Pin 146A47
#6

Rail assembly diagram

Roll pin

Part #146A47

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

Bck Panl Asm 4A1246
#15

Chassis assembly diagram

Bck panl asm

Part #4A1246

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

Rec Case Ay 4A1207
#7

Radio controls diagram

Rec case ay

Part #4A1207

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

Visor Clip 29B113
#4

Radio controls diagram

Visor clip

Part #29B113

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

Sw Block 16C25
#37E

Chassis assembly diagram

Sw block

Part #16C25

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.

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Why does my garage door opener open and close by itself?

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

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What preventive maintenance does my garage door opener need?

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

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Why does my garage door opener reverse on its own?

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

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Why won't my garage door opener fully open or close the garage door?

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

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Why won't my garage door opener open the garage door?

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

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Why is my garage door opener noisy?

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

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Why doesn't my garage door opener work?

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

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Why does my garage door opener work intermittently?

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

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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.

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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.…

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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. …

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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.…

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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.

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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.…

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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.…

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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.…

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