Step 6 · Attach the Trolley and Connect to the Door
Slide the trolley onto the opener rail. Attach the trolley's connecting arm to the header bracket on the garage door. This is the linkage that will lift and lower the door when the opener is activated.
Step 6 · Attach the Trolley and Connect to the Door
Slide the trolley onto the opener rail. Attach the trolley's connecting arm to the header bracket on the garage door. This is the linkage that will lift and lower the door when the opener is activated.