The aro ọgwụgwụ akara nke igwekota na asphalt Ịgwakọta usoro usoro adopts a jikọtara akara ụdị, nke a na-emi esịnede ọtụtụ n'ígwé nke akàrà dị ka roba akara na ígwè akara. Ogo nke akara akara na-emetụta arụmọrụ zuru oke nke ihe ọkụkụ niile na-agwakọta.

Ya mere, ọ dị ezigbo mkpa ịhọrọ akara dị mma. Ihe bụ isi kpatara nkwụsị njedebe ogwe aka nke igwe igwe na-agwakọta bụ mmebi nke akara nke na-ese n'elu mmiri. N'ihi mmebi nke mgbanaka akara na akara mmanụ, enweghị mmanụ na-ezughị ezu nke usoro lubrication na-eme ka ọkpụkpụ na-agbagharị na ebe a na-atụgharị; eyi nke ihe eji eme ihe na-akpata site na nkwụsị njedebe ogwe aka na esemokwu na ngwakọta isi ihe na-eme ka njedebe ogwe ọkụ dị elu.
Ngwunye ogwu nke isi igwe bụ akụkụ ebe a na-etinye ike ahụ, na ndụ ọrụ nke akụkụ ahụ ga-ebelata nke ukwuu n'okpuru omume nke nrụgide dị elu. Ya mere, ọ dị mkpa iji dochie mgbanaka akara, akara mmanụ, ebe a na-amị amị na ebe na-atụgharị na ogwe aka nkwụsị njedebe n'oge; na ihe dị n'akụkụ nke isi ihe nkwụsị njedebe igwe na-eji ngwa ntinye akara mbụ, ka ịzere nha dị iche iche ma na-eyi ngwa ngwa, nke na-emebikwa ogwe ngwakọta. Lelee usoro mmanu mmanu n'oge:
1. Yiri na ogwe na-agbagharị agbagharị nke isi mmanụ mmanụ nke usoro lubrication
2. The plunger nke nrụgide nlele interface nke isi mmanụ mgbapụta nke lubrication usoro enweghị ike ịrụ ọrụ nke ọma
3. A na-egbochi valvụ isi nke valvụ nchekwa nke onye na-ekesa mmanụ na-aga n'ihu na usoro lubrication na enweghị ike ịrụ ọrụ nkesa mmanụ.
N'ihi ọdịda nke aro ọgwụgwụ centralized lubrication usoro kpatara n'elu ihe mere, isi mmanụ mgbapụta nke lubrication usoro kwesịrị ka dochie.