Hasumiya mai ɗagawa a cikin aiwatar da amfani da igiya zamewa ta hagu da dama da ƙarfi, yin kisa zuwa tsayin da ake buƙata, yana buƙatar saukowa a hankali zuwa madaidaicin tushe, don guje wa haɗari da lalacewa da tsagewa da sauri.A kan hanyar shigarwa, idan an sami matsaloli na farko matakan gaggawa, bayan aiki sannan kuma daga aiki.
1. Ƙarfin ɗagawa yana gyarawa, mafi girma radius na aiki na crane.Sauƙaƙan kayan da aka ɗagawa, ƙaramin radius ɗin aiki, mafi nauyi kayan ɗagawa.Radius mai aiki shine nisa a kwance daga tsakiyar lokacin zuwa ƙugiya.
2. Fahimtar girman kayan ɗagawa, nemo tsakiyar kayan zuwa tsakiyar ginshiƙin ginshiƙi, gwargwadon nisa don duba sigogin ƙarfin ɗaukar crane.
3. Yi la'akari da nauyin ɗagawa na crane da ƙarfin girman chassis, katako shine don zaɓar mafi girma mafi kyau, crane yana da girma kuma chassis yana da ƙananan, zai sa nakasar katako da karaya.Chassis karami ne, ikon injin karami ne, yana shafar karfin dagawa na crane.Don haka idan muka yi la'akari da 230mm katako, za mu zabi crane a kasa 3 ton.Idan muka yi la'akari da 250mm katako, muna la'akari da crane karkashin 6 ton.280mm katako iya zabar crane karkashin 8 ton.Chassis kamar ta baya takwas da gaban hudu na iya yin la'akari da crane a ƙarƙashin tan 10.