Proform 380 Treadmill Walking Belt "bunch middle" Questions

treadmill bunching up running belt has bunched up in the middle

running belt has bunched up in the middle adjust from tuning nuts screws

belt on treadmill is moving towards the right and bunching up you need to adjust the travel of belt. to do this you need a allen wrench that came with it. if you have it run treadmill at slow speed,go