Usoro HL / HM / HM - 180, HR - 180, HM - 180) Ezubere maka lubrication na oghere. Mgbe a na-adọta aka ahụ, piston na-akpali ike, na-emepụta oghere n'ime cylinder ka ịta mmanụ; Mgbe a tọhapụrụ ihe ahụ, pisnan na-agbadata n'okpuru ike mmiri iji kpochapụ mmanụ. Na ikike 180ml na atụmatụ dị iche iche (profaịlụ -