Lapho amanzi eshaya i-impeller ejikelezayo, amandla e-impeller adluliselwa emanzini, aphoqelele amanzi ngaphandle (i-centrifugal force).
Isisekelo sibamba ezinye izingxenye, futhi isiphethu sigcina ibhande lidonsa liqinile.I-pulley yiyona eyenza ukuhamba kwebhande.
Izinzwa zeleveli kawoyela zisebenzisa amaswishi emhlanga kazibuthe, avalwe ngomumo ngensimbi engagqwali noma isiqu sepulasitiki, ukukala amazinga kawoyela futhi avule noma avale ngokuzenzakalelayo amaphampu kawoyela.