Aosite, kusukela 1993
Ukuma kwehinge kunobudlelwano obuthile obulinganayo nobude nobubanzi bomnyango. Isikhundla esifanele singaqinisekisa ukuthi umnyango uvuleka ngokukhululeka nangokuzinza. Sivula umnyango izikhathi eziningana ngosuku. Akunakugwenywa ukuthi amahinge ezicabha azolimala ngenxa yokusetshenziswa isikhathi eside. Ngokuvamile, amahinge anokuphila kwesevisi ethile. Ngaphansi kokusetshenziswa okujwayelekile, kunamahinge amaningi okuqala "esiteleka". Kungenxa yekhwalithi ephansi.
Sehlise imvamisa yokushintshwa komonakalo wehinji, kufanele siqale silawule ikhwalithi yehinji. Lapho ukhetha i-hinge yomnyango wensimbi engenasici, amasu okuhlonza ikhwalithi eyinhloko alandelayo:
1. Lapho sikhetha i-hinge yomnyango yensimbi engagqwali, ukusuka phezulu singabona ukuthi izinto ezingaphezulu zomkhiqizo ziyisicaba. Uma ikhiqizwa nge-scrap, indawo engaphezulu izoklwejwa futhi ikhubazeke.
2. Ihinge yensimbi engagqwali idlala indima yokushintsha umfutho we-hydraulic. Ukhiye obaluleke kakhulu ukudambisa ihinge ye-hydraulic kanye nokuhlanganiswa kwama-rivets.
3. Amahinge ensimbi engagqwali avamile ahlinzekwa ngezikulufu ezimbili, futhi womabili ayizikulufu zokulungisa phezulu naphansi, izikulufu zokulungisa ngaphambili nangemuva, futhi amanye amamodeli amasha anezikulufu zokulungisa kwesokunxele nakwesokudla. Ungasebenzisa i-screwdriver ukuze ulungise izikulufu ezingenhla nezingezansi izikhathi ezintathu kuya kwezine, bese ususa izikulufu ukuze uhlole ukuthi ukuhlehla kwengalo yehinge kukhululekile yini. Njengoba ingalo yehinge yenziwe ngensimbi futhi ayiqinile njengesikulufu, kulula ukuyigqoka.
Uma uthenga noma yiluphi uhlobo lwehinji yensimbi engagqwali, kufanele uqonde futhi uhlole zonke izici zayo ukuze ubone ukuthi izinga lomkhiqizo lidlulile yini. Lokhu kuzokwenza kube ngcono ukusebenzisa. Ngezicelo ezikhethekile, amakhasimende angakwazi ukwenza ngokwezifiso abakhiqizi bensimbi engagqwali, bathole imiphumela engcono, ukuguquguquka okuphezulu.