With the gears back in place tighten the chain as directed in your owner s manual.
Garage door gear repair.
It s one of the most common garage door opener repair problems there is.
Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley.
Remove retaining screws from the cover.
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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.
Several components will need to be removed to get at the gear.
Now you need to install the new helical gear assembly.
Replacing a circuit board sounds like a scary garage door repair but it s really quite easy.
Garage door opener repair or adjust for home business.
With qualified technicians that have 13.
Start by unplugging the motor.
Just follow these steps.
It will take 10 minutes tops and only requires a 1 4 in.
This was a craftsman model 139 53976srt.
Lay the chain on the garage floor while you complete the repair.
Slide the outer trolley away from the inner trolley.
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.
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Put a thin layer of the grease included in the kit on the gear.
It can be a complicated repair but not impossible to do yourself.
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