Lapho i-crane yeloli isebenzisa umshini wokugoqa ukulayisha nokuthulula, kufanele iqinisekise ukuthi ukushuba kwe-rolling bar kuyavumelana, ukuze ukusetshenziswa kwe-smooth more, ububanzi kunento kube ububanzi obungamasentimitha angama-50, vimbela ukugqoka amagilavu ukugcwalisa i-rolling bar, ukuze ugweme ukushelela.Ekusetshenzisweni kokuphakamisa umbhoshongo omkhulu wemishini, kufanele ibambisane nokusebenza okuhlangene okungaphezulu kweyodwa, ukuqinisa isivinini sokuvunguza ukuze kugcinwe ukungaguquguquki, ukuqinisekisa ukuthi umbhoshongo osesikhundleni ukhomba ibhalansi, ukugwema amandla angalingani futhi kuholele ekuphakamiseni ukuguqulwa kombhoshongo wemishini. .Ekusetshenzisweni kwendlela yokuhlinza noma indlela yokuguqula ukuze uphakamise, iphansi lombhoshongo ukuze kugcinwe uzinzo, kudingeka kufakwe okugxilile ukuze kusize, ukuqeda inqubo yokuphakamisa ekhiqizwa ukusunduza okuvundlile.