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Question About Chamberlain Garage Door Opener 450
opener repair...

motor turns worm gear to fast chews up gear on spocket

Asked by richard on 12/26/2008 2  Answers

ManualsOnline posted an answer 15 years, 9 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Erwin posted an answer 15 years, 9 months ago

1 Our garage door has not been opening all the way before stopping. Yesterday, it stopped moving the door completely, but the motor continued to run. I removed the cover and found that the worm gear is stripped. I have printed out instructions and hope to have an inexpensive repair.
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richard posted an answer 15 years, 9 months ago

0 need to slow motor rpm to fix my problem i replaced rpm sensor did not help
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