Zida zosefera mafuta achitsulo zimagwiritsidwa ntchito kwambiri m'malo mwa zosefera zamafuta pamainjini am'galimoto. Chidachi nthawi zambiri chimakhala ndi wrench yopangidwa mwapadera yomwe ingagwiritsidwe ntchito kumasula ndikuyika fyuluta yamafuta. Chitsulo chimapangitsa wrench kukhala yolimba komanso yolimba kuti athe kuthana ndi mfundo yakuti zosefera zamafuta nthawi zambiri zimafunikira mphamvu kuti zitembenuke. Zidazi nthawi zambiri zimapangidwa bwino kuti zigwirizane ndi kukula ndi mitundu yosiyanasiyana ya zosefera zamafuta, zomwe zimapangitsa kusintha kwa fyuluta kukhala kosavuta komanso mwachangu.
Mawonekedwe a zida zachitsulo zosefera mafuta nthawi zambiri zimaphatikizapo: