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Genie
Garage Door Opener

Model # PMX 500-IB Official Genie garage door opener

Here are the diagrams and repair parts for Official Genie PMX-500-IB 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 148 parts  |
Garage Door Opener Trolley Cap 27190A.S
#95

Ac chain drive belt/chain channel diagram

Garage door opener trolley cap

Part #27190A.S

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

Garage Door Opener Chain And Bullet Assembly 27150A.S
#78

Ac chain drive belt/chain channel diagram

Garage door opener chain and bullet assembly

Part #27150A.S

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

Garage Door Opener Chain 18428B.S
#8

Ac chaindrive pro rail diagram

Garage door opener chain

Part #18428B.S

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

Garage Door Opener Pulley Bushing 26002A.S
#36

Ac chaindrive retail rail diagram

Garage door opener pulley bushing

Part #26002A.S

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

Garage Door Opener Remote Control Visor Clip 37768A.S
#9A

Service parts diagram

Garage door opener remote control visor clip

Part #37768A.S

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

Garage Door Opener Drive Shaft Bushing 33223A.S
#27

Ac chain drive powerhead diagram

Garage door opener drive shaft bushing

Part #33223A.S

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

Garage Door Opener Sprocket 36220A.S
#61B

Ac chain drive belt/chain channel diagram

Garage door opener sprocket

Part #36220A.S

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

Garage Door Opener Drive Shaft 27098A03.S
#31

Ac chain drive powerhead diagram

Garage door opener drive shaft

Part #27098A03.S

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

Garage Door Opener Cotter Pin 606E04.S
Garage door opener cotter pin

Part #606E04.S

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

Bracket 37909R.S
#7A

Service parts diagram

Bracket

Part #37909R.S

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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