Idan motar tana cikin yanayin aiki na wucin gadi tare da farawa akai-akai, farawa akai-akai zai sa motar ta yi tasiri mai tsanani a kan iska saboda babban motsi a lokacin farawa, kuma iska za ta yi zafi da tsufa da rufin, kuma amincin motar zai lalace. Musamman ga motocin da aka fara kai tsaye a mitar wutar lantarki, matsalar ta fi tsanani, don haka matakin rufewar irin wannan motar ya kamata ya zama babba, gabaɗaya ba ƙasa da Class F ba.
Don yanayin aiki tare da ɗan gajeren lokacin gudu da tsayi mai tsawo, motar na iya samun matsa lamba, wato, bayan da aka rage yawan iska daga zafin jiki mai zafi a lokacin aiki, iska zai zama damp saboda bambancin zafin jiki da kariya da abubuwan da ke kewaye da muhalli. Idan aka kunna motar kai tsaye a cikin wannan yanayin, zai iya haifar da lalacewa ta hanyar iska saboda rashin aikin rufewa, musamman ga masu amfani da wutar lantarki, matsalar na iya zama mafi tsanani. A saboda wannan dalili, na'urorin dumama masu tabbatar da danshi sun zama ma'auni don manyan injuna masu ƙarfin lantarki, kuma masu amfani da motar yakamata su aiwatar da cire danshi mai mahimmanci kafin fara motar.
Don manyan injinan lantarki da injina masu ƙarfi, saboda halaye na musamman na jikin motar da rotor yana da nauyi, yakamata a aiwatar da kariyar juyawa akai-akai yayin sanya injin don hana illa ga tsarin ɗaukar hoto, wato nakasar sassan tsarin ɗaukar hoto saboda mataccen nauyin na'urar; wannan matsalar ba ta wanzu don ci gaba da jujjuya motoci, muddin ana lura da yanayin aiki mai ɗaukar nauyi kuma ana aiwatar da kulawa mai dacewa.
abb daidai,
ac injin busa,
ac fashewa hujja motor