Onye na-egwupụta ihe ngwa ngwa nwere ike ịgbanwe ụdị olulu mmiri ọ bụla.
1, Jiri ihe nke siri ike dị elu; Kwesịrị ekwesị maka igwe dị iche iche nke 1-80 ton.
2, Jiri ngwaọrụ nchekwa nke valvụ njikwa hydraulic iji hụ na nchekwa ahụ.
3, Nwere ike ịgbanwe ngwa na-enweghị disssembling pin na axle. Ya mere na-aghọta ngwa ngwa echichi na ọtụtụ elu arụmọrụ.
Enwere ike iji Excavator ngwa ngwa coupler/Hitch na-egwupụta ihe iji gbanwee ngwa ọ bụla (dị ka ịwụ, breaker, shear, na ụfọdụ mgbakwunye ndị ọzọ.) ngwa ngwa na ngwa ngwa, nke na-eme ka ohere nke ndị na-egwupụta ihe na-eme ihe ma chekwaa oge dị ukwuu. Na ụdị hydraulic excavator ngwa ngwa coupler. Ị nwere ike ịgbanwe ihe mgbakwụnye nke olulu ahụ n'ụzọ dị mfe naanị ịnọdụ ala n'ime ụlọ olulu, na-eme ka onye na-egwupụta ihe gị nwee ọgụgụ isi na nke mmadụ.