Camshaft ke karolo ea bohlokoa ea enjene ea piston, e ikarabellang bakeng sa ho laola ho buloa le ho koaloa ha li-valve ho netefatsa hore mafura a kenngoa hantle le ho ntšoa ha likhase tse ntšang mosi. Netefatso ea boleng e bapala karolo ea bohlokoa ts'ebetsong ea rona ea tlhahiso. Re sebelisa mekhoa e tsoetseng pele ea tlhahlobo le lisebelisoa tsa tlhahlobo tsa sejoale-joale ho lekola karolo e 'ngoe le e 'ngoe ea ts'ebetso ea camshaft. Ho tloha ho nepahaleng ha boholo ho isa qetellong ea bokaholimo, karolo e 'ngoe le e 'ngoe e hlahlojoa ka botlalo ho netefatsa hore e fihlela maemo a rona a thata.
Li-camshaft tsa rona li entsoe ka tšepe e batang. Thepa ena e fana ka khanyetso e ntle ea ho tsofala, e netefatsang bophelo bo bolelele ba ts'ebeletso bakeng sa camshaft. Matla a eona a phahameng a e lumella ho mamella khatello ea mechini le meroalo ka har'a enjene. Kalafo ea bokaholimo ba ho polisha le eona e bohlokoa haholo. Bokaholimo bo bentšitsoeng bo fokotsa khohlano, bo ntlafatsa bokhoni le ts'ebetso e boreleli ea camshaft. E thusa ho fokotsa ho tsofala le ho taboha, e ntlafatsa ts'ebetso le ho tšoarella ka kakaretso.
Ts'ebetso ea tlhahiso ea li-camshaft ke ts'ebetso e rarahaneng le e nepahetseng, e netefatsang hore sehlahisoa sa ho qetela se fihlela maemo a thata a boleng. Mabapi le litlhoko tsa tlhahiso, bahlahisi ba tlameha ho latela litataiso tse tiileng ho boloka maemo a holimo a boleng le ts'ebetso. Sena se kenyelletsa ho sebelisa lisebelisoa le mahlale a morao-rao, ho kenya tšebetsong mehato e thata ea taolo ea boleng, le ho netefatsa hore basebetsi bohle ba koetlisitsoe haholo ebile ba na le boiphihlelo. Ka ho latela litlhoko tsena tse thata, bahlahisi ba ka hlahisa li-camshaft tse fihlelang litlhoko tse thata tsa lienjine tsa sejoale-joale, ho netefatsa ts'ebetso e ntle le ts'epo.
Li-camshaft tsa rona li entsoe ho fana ka taolo e nepahetseng ea nako le bolelele ba li-valve, li susumetsa ka ho toba tlhahiso ea matla a enjene, litšobotsi tsa torque, le ts'ebeliso e ntle ea mafura. Ka ho ntlafatsa ts'ebetso ea li-valve, li-camshaft tsa rona li kenya letsoho ts'ebetsong e ntlafetseng ea enjene le karabelo. Ho feta moo, ho tsepamisa maikutlo ha rona ho fokotseng khohlano le ho tsofala ka har'a enjene ho netefatsa hore li-camshaft tsa rona li khothaletsa bophelo bo bolelele ba ts'ebeletso le litlhoko tse fokotsehileng tsa tlhokomelo, li fana ka boleng ba nako e telele ho bareki ba rona.