Modify Cobra 148 Gtl How Do I Change The Tension On The Tama Iron Cobra Double Bass?

How do i change the tension on the Tama iron cobra double bass? - modify cobra 148 gtl

I need help learning to change my Iron Cobra Power Glide pedal. only tension, especially for spring. and if you tell me everything would be great. Please try to make a video and bee crassy awesome! Thank you!