Ngaba isigqubuthelo sevalve saphukile
Kukho izizathu ezininzi zomonakalo we-valve cover gasket. Eyokuqala yeyokuba ibholithi ikhululekile, eyesibini kukuvuthuzwa kwe-injini, eyesithathu kukuqhekeka kwesivalo sevalvu, kwaye eyesine kukuba igasket yesigqubuthelo sevalvu yonakalisiwe okanye ayifakwanga ngesitywina.
Ngexesha lokunyanzeliswa kwe-injini, inani elincinci lerhasi liya kumpompoza kwi-crankcase phakathi kodonga lwesilinda kunye neringi yepiston, kwaye uxinzelelo lwe-crankcase luya kunyuka ngokuhamba kwexesha. Ngeli xesha, ivalve yokuphefumla yecrankcase isetyenziselwa ukukhokelela le ndawo yerhasi kwindawo eninzi yokungena kwaye iyisezele kwigumbi lokutsha ukuze iphinde isetyenziswe. Ukuba ivalve ye-crankcase ventilation ivaliwe, okanye ukucocwa phakathi kweringi yepiston kunye nodonga lwesilinda lukhulu kakhulu, okukhokelela kumoya ogqithisayo kunye noxinzelelo oluphezulu lwe-crankcase, irhasi iya kuvuza kwiindawo ezinokutywinwa okubuthathaka, okufana ne-valve cover gasket, i-crankshaft ngaphambili kunye nezitywina zeoyile ngasemva, okukhokelela ekuvuzeni kwe-oyile ye-injini.
Ngethuba nje usebenzisa i-sealant, qinisa iibholithi, kwaye i-valve cover ayiqhekeki okanye ikhubazeke, ibonisa ukuba isivalo sevalve silungile. Ukuba awukhululekanga, ungasebenzisa irula kunye negeyiji yobunzima (igeyiji yokubona) ukulinganisa ukucaba kwesigqubuthelo sevalvu ukubona ukuba asigrumbi na.