1. Ịrụ ọrụ dị elu
N'ihi iji otutu hydraulic cylinders na-etolite njikọ dị ka usoro njikọ ogwe aka n'ime gwongworo mpịaji nke etinyere crane, ọ nwere ike mezue mmegharị ya ngwa ngwa ma rụọ ọrụ nke ọma karị.
Ọnụego ahụ dịkwa elu.
2. Ogwe mpịachi ga-adabara maka gburugburu ebe ọrụ dị warara
A na-ekpebi nke a site na nhazi ya.Gwongworo ogwe aka a na-emegharị emegharị na crane dabara adaba maka gburugburu ebe a na-arụ ọrụ dị warara dị ka ụlọ nkwakọba ihe mmepụta ihe, ebe ogwe aka kwụ ọtọ dabara adaba n'ihi nhazi ya.
Oghere achọrọ maka mbugharị ka ukwuu.
3. Ogwe mpịachi nwere obere ohere n'ime ụgbọ ala dum
Ọrụ oghere doro anya na nlele, na ogwe aka mpịaji nke etinyere crane nwere ike weghachi ogwe aka kreen niile ọnụ n'oge njem ibu, na-ebute ohere dị ntakịrị.
Enwere ike idowe gwongworo ogwe aka kwụ ọtọ nke etinyere kreenu n'okirikiri, na ohere nke ụgbọ ahụ nwere n'oge ịnya ụgbọ ala buru ibu.