Five. Check the adjustments: Open and shut the door to ensure it stops and reverses at the desired positions. Make any important good-tuning adjustments if required. one. Locate the limit adjustment screws: These are often observed around the side or back in the opener motor device. The Chamberlain Whisper Drive https://youtu.be/wSkWTAdm-Gg?si=pR5EXdjVuNYjtHN7