Usoro nlekọta nke ihe ndọba ụgbọala:
1. na-ehichakarị ihe ndị mba ọzọ dị ka apịtị na draịva mbanye;
2. N'ihi na mgbakwunye na nke drum shei na kwa imecha cowl nke mbanye pulley-block, ọ dị mkpa iji jide n'aka na mgbe nile nnyocha;
3, iji lekọta mmanu mmanu nke draịva pulley-block, belata mmerụ ahụ nke pulley;
4, iji zere ibubiga ihe mgbochi pulley-block, nke a na-abụkarị nrụzi ihe mgbochi pulley-block, nke ahụ nwere ike ịbụ nkwa siri ike ịbawanye ndụ ọrụ ya.

A na-ekewa draịva pulley-block na akụkụ abụọ: ihe mgbochi pulley-block nke chọrọ ike mpụga maka mmepụta ike, ihe mgbochi pulley-block nke na-arụ ọrụ nnyefe naanị, na igwe nnyefe ụgbọala nwere mbanye ime ụlọ.Ihe mkpuchi draịva a chụpụrụ nwere kpọmkwem otu ihe ahụ n'ihi na ngọngọ pulley-block, ya mere a na-eji otu onye ọzọ dochie ngwa ahịa 2 roller.

Ihe mgbochi pulley-block bụ akụkụ mbufe nke eriri eriri.Draịvụ pulley-block na-ebufe oke ike nke moto nke eriri eriri na ebufe, ma dọkpụrụ ibu ka ọ ghọta njem.Ntụkwasị obi ya na ndụ nrụzi nwere mmetụta dị ukwuu na arụmọrụ nke ebufe.Ka ọ dị ugbu a, ọtụtụ n'ime ndị na-akwọ ụgbọala rollers ar factory-mere site na mgbakwunye ụzọ, na-na-isi owuwu ar na-emekarị kewara n'ime a cylinder ahụ, a cylinder hub, na a drum aro.N'ime ọrụ ọdịnala nke ebufe eriri eriri, a na-edobe ịnya ụgbọ ala n'okpuru ike ịkpụ okirikiri yana nrụgide nrụgide radial na-agbanwe agbanwe na oke nrụgide.Mgbawa dị n'ime ebe mgbakwunye na-agbasa nke ọma, na-eme ka ike ọgwụgwụ na-emerụ ahụ ma na-eme ka ụda ahụ daa.Ya mere, atụmatụ nke nkwụnye ihe nkwụnye ihe nkwụnye ihe mgbakwunye dị mkpa karịsịa.