Five. Exam the adjustments: Open and shut the door to guarantee it stops and reverses at the desired positions. Make any vital great-tuning adjustments if essential. trolley must stop in the totally open up place at bare minimum 1 inch from your stop bolt around the opener rail. Grapevine Garage https://youtu.be/wSkWTAdm-Gg?si=pR5EXdjVuNYjtHN7