Isicelo:
Ngokwesicelo sokudweba, sika ibhulokhi elide lomugqa libe yizicucu eziningi ngesikhathi esisodwa.
Izinzuzo:
Ukusebenza kahle okuphezulu: Amathuluzi amaningi okusika asebenza ngasikhathi sinye, anciphisa kakhulu isikhathi sokucubungula ama-single drum brake pads futhi athuthukise umthamo wokukhiqiza ophelele womugqa wokukhiqiza.
Ukunemba okuphezulu: Isakhiwo esizinzile semishini siqinisekisa ukuhambisana nokunemba kwesicathulo samabhuleki (ulwelwesi), ucezu ngalunye lunqunywa ngokunembile futhi luyisicaba.
Ukuguquguquka: Ububanzi bokusika bungashintshwa ngokushesha ngokwezidingo zezinhlobo ezahlukene zezicathulo zamabhuleki ukuze kuhlangatshezwane nezidingo zokukhiqiza ezahlukahlukene.
Ubuhlakani: Kunciphisa ukungenelela ngesandla, kunciphisa ubunzima bokusebenza kanye nokuqina komsebenzi, isisebenzi simane sibeke ibhloko ku-shaft ejikelezayo, umshini uzosika ngokuzenzakalelayo.
Ukuphepha: Umshini uhlomisa ngesembozo esigcwele sesondo lokugaya, uqinisekisa ukuphepha kwabasebenzi.