Kodi chivundikiro cha valavu chasweka?
Kawirikawiri pali zifukwa zingapo zomwe zimapangitsa kuti gasket yophimba ma valve iwonongeke. Choyamba ndi chakuti bolt ndi yomasuka, chachiwiri ndi kuphulika kwa injini, chachitatu ndi kusweka kwa chivundikiro cha ma valve, ndipo chachinayi ndi chakuti gasket yophimba ma valve yawonongeka kapena sinaphimbidwe ndi sealant.
Pa nthawi ya injini yopanikizika, mpweya wochepa umapita ku crankcase pakati pa khoma la silinda ndi mphete ya piston, ndipo kuthamanga kwa crankcase kumakwera pakapita nthawi. Panthawiyi, valavu yopumira ya crankcase imagwiritsidwa ntchito kutsogolera gawo ili la mpweya kupita ku intake manifold ndikuipumira mu chipinda choyaka kuti igwiritsidwenso ntchito. Ngati valavu yopumira ya crankcase yatsekedwa, kapena malo pakati pa mphete ya piston ndi khoma la silinda ndi akulu kwambiri, zomwe zimapangitsa kuti mpweya ulowe kwambiri komanso kuti crankcase ikhale yolimba kwambiri, mpweyawo umatuluka m'malo omwe ali ndi kutseka kofooka, monga gasket yophimba valve, crankshaft kutsogolo ndi kumbuyo kwa mafuta, zomwe zimapangitsa kuti mafuta a injini atuluke.
Bola mukamayika sealant, kumangitsa mabotolo, ndipo chivundikiro cha valavu sichinasweke kapena kusokonekera, zimasonyeza kuti chivundikiro cha valavu chili bwino. Ngati simuli bwino, mungagwiritse ntchito rula ndi geji yoyezera makulidwe (feeler gauge) kuti muyese kusalala kwa chivundikiro cha valavu kuti muwone ngati sichikusokonekera.