Imirasire yinganda ikunze kuboneka muri lokomoteri.Lokomoteri itanga ubushyuhe bugaragara bitewe na moteri zabo nibindi bikoresho bya mashini.Imirasire ikoreshwa mu gukwirakwiza ubu bushyuhe no kwirinda lokomoteri gushyuha.Sisitemu ya radiator muri lokomoteri isanzwe igizwe nuruhererekane rwo gukonjesha cyangwa imiyoboro ikonjesha ikonjesha, ikohereza ubushyuhe kure ya moteri ikayirekura mu kirere gikikije.Ibi bifasha kugumana ubushyuhe bwiza bwo gukora kandi butuma imikorere ikora neza.