Njira zodzitetezera pakugwiritsa ntchito zingalowe m’mlengalenga ng’anjo

1. Musanatenthetse ng’anjo ya vacuum atmosphere, chitoliro chozizira chiyenera kulumikizidwa ndi madzi ozizira kuti azizungulira kuzirala. Kutentha kukakhala kosakwera, kumatha kuziziritsidwanso ndi kayendedwe ka madzi. Mukakweza kutentha, chonde tcherani khutu ku chitetezo chamlengalenga kapena mkhalidwe wa vacuum. Ndizoletsedwa kutenthetsa m’malo otetezedwa ndi mlengalenga komanso osatulutsa mpweya kapena kuyika zinthu zokhala ndi mpweya wowonjezera.

2. Pamene ng’anjo imatsukidwa, sayenera kupitirira miyeso iwiri ya pointer (ngati ipitirira miyeso iwiri ya vacuum gauge pamene vacuum imakokedwa, idzawononga ng’anjo ya vacuum atmosphere). Pamene cholozera cha vacuum gauge chitsika pafupi ndi magawo awiri, siyani kupopa ndi kulipiritsa. Lembani mpweya wolowera, pangitsa kuti cholozeracho chibwerere ku 0 kapena kukulirapo pang’ono kuposa 0, kenako mpope ndi kufutukuka, kubwereza maulendo 3 mpaka 5 kuonetsetsa kuti mpweya wotetezera mu ng’anjo umakhala ndi ndondomeko inayake.

3. Pamene workpiece safuna mlengalenga chitetezo, zingalowe mu ng’anjo ayenera olumikizidwa kwa chitoliro cholowera, wodzazidwa ndi zoipa mpweya, ndi kumasulidwa pang’ono valavu mpweya. Pamene mpweya wamoto uli waukulu kuposa voliyumu ya ng’anjo, valve yotulutsa mpweya iyenera kutsekedwa. Mulingo wa kupenyerera uyenera kukhala waukulu kuposa “0” Kuchepera mabatani awiri.

4. Chigoba cha ng’anjo ya vacuum atmosphere chiyenera kukhazikitsidwa bwino kuti chigwiritse ntchito bwino; ng’anjo ya ng’anjo iyenera kuikidwa m’chipinda chokhala ndi mpweya wabwino, ndipo palibe zipangizo zoyaka ndi zowonongeka ziyenera kuikidwa mozungulira; Thupi la ng’anjo limataya kutentha.