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Model # 139663720 Official Craftsman garage door opener
Here are the diagrams and repair parts for Official Craftsman 139663720 garage door opener, as well as links to manuals and error code tables, if available.
Error CodesBy Schematic
SELECT DIAGRAM
Browse Parts for
139663720 Garage Door Opener
#22
Rail assembly diagram
Screw
Part #171A184
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Transmitter
Part #6634
The manufacturer no longer makes this part, and there's no substitute part
#10
Chassis assembly diagram
Chassis assembly
Part #4A1258
The manufacturer no longer makes this part, and there's no substitute part
#22
Chassis assembly diagram
Screw
Part #171A254
The manufacturer no longer makes this part, and there's no substitute part
#1
Chassis assembly diagram
Screw
Part #171A183
The manufacturer no longer makes this part, and there's no substitute part
#12
Chassis assembly diagram
Strip
Part #4A1252
The manufacturer no longer makes this part, and there's no substitute part
#8
Rail assembly diagram
Screw
Part #171A24
The manufacturer no longer makes this part, and there's no substitute part
#16
Chassis assembly diagram
Screw ret
Part #163A5
The manufacturer no longer makes this part, and there's no substitute part
#1
Rail assembly diagram
Cotter pin
Part #146A19
The manufacturer no longer makes this part, and there's no substitute part
#30G
Chassis assembly diagram
Lim aj screw
Part #171B277
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…
Main causes: faulty logic control board, bad RPM sensor, broken gears in the drive system, bad drive motor…
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: 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: radio interference, weak remote batteries, sunlight interference with safety sensor beams, safety sensors n…
Main causes: safety sensor beams blocked, safety sensors not aligned, downforce setting needs adjustment, damaged garage…
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
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
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
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.
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Learn how to repair broken, frayed or damaged wires in your appliances.…