Remove retaining screws from the cover.
Garage door gear repair.
Replacing a circuit board sounds like a scary garage door repair but it s really quite easy.
With the gears back in place tighten the chain as directed in your owner s manual.
Now you need to install the new helical gear assembly.
Start by unplugging the motor.
Just follow these steps.
Pull the chain off the motor unit sprocket and out of the chain spreader.
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You ll need to get a replacement gear set.
Replace the cover on the garage door opener plug it back in and start enjoying your now functioning garage door opener.
It will take 10 minutes tops and only requires a 1 4 in.
Remove the light cover take out the lightbulb disconnect the switch and safety sensor wires remove a few screws unplug the board and you re done.
Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley.
Several components will need to be removed to get at the gear.
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It s one of the most common garage door opener repair problems there is.
This was a craftsman model 139 53976srt.
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Lay the chain on the garage floor while you complete the repair.
Garage door opener repair or adjust for home business.
Slide the outer trolley away from the inner trolley.