Belt does not track properly
Pulleys and idlers are NOT squared
New belts is not “run in” long enough
Uneven loading - load on center of belt
Structure is not square
Lacing or splice is not square
Bow in belt
Pulleys and idlers are NOT squared
New belts is not “run in” long enough
Uneven loading - load on center of belt
Structure is not square
Lacing or splice is not square
Bow in belt