A multi-ribbed belt with an automatic belt tensioner experiences rapid wear. Technician A says the most likely cause is a misaligned belt pulley. Technician B says the most likely cause is excessive belt tension. Who is correct?

Question

Quizplus · Accepted Answer

A misaligned belt pulley can cause rapid wear on a multi-ribbed belt as it causes the belt to run at an angle, putting extra strain on one side of the belt. Excessive belt tension, on the other hand, is less likely to cause rapid wear and more likely to cause other issues such as bearing damage or premature failure of the tensioner.

A Multi-Ribbed Belt with an Automatic Belt Tensioner Experiences Rapid