misheleb

Can you describe what you are talking about here? "Run each door up and down a couple of times. Ensure the door is moving smoothly and isn't hanging up in the track. Check every dolly axle while doing so. It's amazing how many of these are missing ball bearings and are ready to pop off the track." I'm not sure which parts you are referring to when you say "dolly axle" and "ball bearing". I'm not trying to be smart, I really want to know. Thanks!