1. Ho omisa hang-hang, katleho e phahameng ea tlhahiso.
2. Ka mor'a ho omisa, sebaka sa khatiso se ka finyella boima bo phahameng, bo khanyang, ho hanyetsa ho ferekanngoa, phello ea ho hanyetsa solvent.
3. Phetiso ka rolara shaft, khafetsa ho sokoloha stepless lebelo taolo.
4.Khetho ea boleng bo phahameng le lebone le sebetsang hantle, kamore ea lebone e qobella mocheso oa mocheso, ho lelefatsa bophelo ba lebone, ho sireletsa thepa e omeletseng e ke ke ea senyeha ke mocheso.