1, tarisa kana simba uye voltage zvinoenderana nezvinodiwa uye wiring zviri mumamiriro akanaka, ingave zvikamu zvemukati zvemushini wekubatanidza kusungirira;
2, tarisa mukati mepombi yevacuum ndeyekusangana nezvinodiwa;
3, gadzirisa iyo vacuum yekurongedza nguva, kazhinji inenge 20 s, kana iyo yakareba iyo vacuum dhigirii yakakwirira;
4, maererano nemidziyo yekurongedza bhandi, gadzirisa nguva yekuisa chisimbiso chesingle chamber vacuumkurongedza muchina uye tembiricha yekuisa chisimbiso;
5, munzvimbo ine hukama mune zvakanaka kune font, senge zuva rekugadzira rekutakura zvigadzirwa kuti uzvione wega zvinodiwa;
6, vhura magetsi emagetsi, vhura iyo imwechete kamuri yekutsvaira yekurongedza michina, yekutanga yakavhurika oparesheni inofanirwa kutarisisa kune vacuum pombi uye maitiro ekushanda;
7, zvinhu uye mabhegi anofanirwa kurongedzerwa munzvimbo yakatsanangurwa yekamuri imwe chete yekuvharira yekurongedza muchina, vhara iyo vacuum kamuri;

