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Craftsman
Garage Door Opener

Model # 13966300 Official Craftsman garage door opener

Here are the diagrams and repair parts for Official Craftsman 13966300 garage door opener, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 94 parts  |
Master Link 109A11
#28

Operator assembly diagram

Master link

Part #109A11

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

Lock Washer 216A25
#38

Operator assembly diagram

Lock washer

Part #216A25

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

Screw 171A15
#61

Chassis assembly diagram

Screw

Part #171A15

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

Roller Chain 22A1
#30

Operator assembly diagram

Roller chain

Part #22A1

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

Worm Gear 200A5
#70

Motor drive assembly diagram

Worm gear

Part #200A5

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

Trolley Assembly 1A41
#33

Operator assembly diagram

Trolley assembly

Part #1A41

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

Door Bracket 12A14
#41

Operator assembly diagram

Door bracket

Part #12A14

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

Antenna 217A50
#5

Operator assembly diagram

Antenna

Part #217A50

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

Nut 133A30
#44

Operator assembly diagram

Nut

Part #133A30

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

Compres Ring 133A6
#77

Motor drive assembly diagram

Compres ring

Part #133A6

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 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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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 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 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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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 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 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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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 belt-drive garage door opener motor

How to replace a belt-drive garage door opener motor

The garage door won't move if the motor is defective. Here’s how to fix it.…

Read more
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…

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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 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.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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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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