When looking at the body of your Global R7483, you will see several small screw heads, usually marked with numbers or letters. These are your adjustment valves. If your closer has a cover, you must remove it to see these valves.
For further technical data sheets or parts diagrams, search "Global R7483 spec sheet" or contact your local architectural hardware distributor. global r7483 door closer adjustment manual
This is unique to the Global R7483. If you disable this, you risk tearing the arm off the bracket or cracking the frame. When looking at the body of your Global
Use the Allen bolt at the end of the closer body to adjust power according to the door's size and weight. Specifications & Availability global r7483 door closer adjustment manual