|One or more idlers immediately preceding trouble point not at right angles to direction of belt travel.||Advance, in the direction of belt travel, the end of the idler toward which the belt has shifted.|
Conveyor frame or structure crooked.
|Stretch string along edge to determine extent and make corrections.|
|One or more idler stands not centered. under belt||Center them. Use above technique.|
|Sticking Idlers||Clean & Lubricate with cleaning products|
|Belt runs off terminal pulley.||Check terminal pulley alignment. Check alignment of idlers approaching terminal pulley.|
|Build up of material on idlers.||Build up of material on idlers. Improve maintenance. Install brushes or other cleaning device.|
|Structure not level and belt tends to shift to low side||Level Structure to stop it from sliding and shifting|