Question about Chamberlain Powerdrive PD422D 1/2 HP Security Plus Screw Drive Garage Door Opener
This means that the nylon drive gear in your unit has been stripped. This can be replaced and is common in openers. You can get a replacement at chamberlain.com. It does take moderate skill to do and should take about an hour to complete. You can order the gear by itself or the whole drive shaft. Make sure and set the limits per the manual and do a 2x4 safety reversal test afterward. Thanks BB
Posted on Sep 16, 2010
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Posted on Jan 02, 2017
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