Imishini ye-hydraulic yezinga lokuqala lemboni kanye nobuchwepheshe be-hydraulic obuphambili, ukukhiqizwa kwezingxenye zamahinge ezididiyelwe, konke ukuphishekela ikhwalithi ephezulu. Ishabhu yokuhlangana yokuma okukodwa, ukuhlanganisa kahle kwamahinge aphelele. Konke ukupakisha kokugcina kufanele kudlule ukuhlolwa kwemishini, okwenziwa ngesandla kwamazinga afanelekayo.