Cars & Other Vehicles How do you fix a sagging commercial door? How do you fix a sagging commercial door? https://www.youtube.com/watch?v=zLISdVoXICE How do you adjust a commercial door pivot hinge? https://www.youtube.com/watch?v=60gET1Pkr9Q How do you adjust a pivot glass door? https://www.youtube.com/watch?v=qKYTdh3V6c4 How do you adjust the margin on a door? https://www.youtube.com/watch?v=2KyBALzRRCw How do you adjust an aluminum door? To slow the closing of the door, turn the screw at the end of the cylinder clockwise. To make it close faster, turn the screw counterclockwise. If none of the adjustments to the pneumatic closer work, you may need replace it. Related Posts:Are pivot doors more expensive?The door closer should be adjusted.How to fix a loose faucet handle on your kitchen sinkPDF Rekeying Quick Start Guide - Schlage how to rekey a lock cylinder.