Likarolo tsalisebelisoa tsa helical:
1. Ha u kopanya lisebelisoa tse peli tsa ka ntle, ho potoloha ho etsahala ka lehlakoreng le leng, ha ho kopanya ger e ka hare ka lisebelisoa tse ka ntle ho potoloha ho etsahala ka tsela e le 'ngoe.
2. Tlhokomelo e lokela ho nkoa mabapi le palo ea meno holim'a gear e 'ngoe le e' ngoe ha u kopanya mochine o moholo oa ka hare o nang le lisebelisoa tse nyenyane tse ka ntle, kaha mefuta e meraro ea tšitiso e ka etsahala.
3. Hangata li-gear tse ka hare li tsamaisoa ke lisebelisoa tse nyenyane tse ka ntle
4. E lumella hore ho be le moralo o kopanetsoeng oa mochine
Lisebelisoa tsa lisebelisoa tsa kahare:polanete ea lisebelisoa tsa lipolanete tsa litekanyetso tse phahameng tsa phokotso, li-gearbox tsa clutches joalo-joalo.