Iyo pombi unit, zvakare inozivikanwa sePlunger pairi, ndiyo chikamu chepururu chemagetsi mafuta grease pombi, chakarongeka kubva pakubereka simbi uye chakashongedzerwa neyakaivakwa - muThe Valve. Kudzvinyirira kwakanyanya kunogona kusvika 25mpa, iyo shoma yekufananidza gap ndeye 3 - 5m. Iyo yakatsemurwa kudzikama ndeye 0.12CC kana 0.18CC. Iyo yepombi yechipomba inotakurisa kudzvinyirira mvura yekudzvinyirira, uye panguva imwechete inogadzira kudzvinyirira kweiyo pombi yePombi.
