Repeat the adjustment and testing method right up until the door closes firmly in opposition to the ground without having gaps and with no reversing. One of many standout functions with the Chamberlain Whisper Drive 1/two Hp Belt Drive Garage Door Opener is its whisper-peaceful operation. Compared with chain drive https://youtu.be/wSkWTAdm-Gg?si=pR5EXdjVuNYjtHN7