Njengoba zonke izinhlobo ze-pulley zingashintsheki, Ngakho-ke, kubalulekile ukusebenzisa kuphela uhlobo lwe-pulley ekuqaleni lufakwe imoto.Ngakho-ke, uma imoto idinga ama-pulleys aqinile, i-OWC noma i-oad, ama-pulleys esigaba esifanayo kufanele afakwe.Njenganoma iyiphi enye ingxenye, i-overrun alternator pulleys ngeke ihlale unomphela (ochwepheshe bazoshintsha ama-pulleys amaningi).Ama-pulleys agugile angabangela ukudlidliza ohlelweni lokushayela ibhande futhi ngokuvamile abangele umonakalo ku-tensioner.