Liftmaster 8550WLB 3/4 HP DC Belt Drive

[@Liftmaster1246]

Great video on the 8550 garage door opener what does the other opener sound like?

[@Jdujfrewqadc]

@@Liftmaster1246 It’s at least not quiet. The door is broken (sort of). It grinds in the way up and down and the belt needs to be lubed. Opener is an 8355 belt drive. It’s an other vids if you want to check it out.