Ni valve igifuniko cyacitse
Muri rusange hari impamvu nyinshi zo kwangirika kwigiti cya valve. Iya mbere nuko bolt itarekuye, iya kabiri ni moteri ya blowby, icya gatatu nigice cya valve, naho icya kane nuko valve igipfukisho cyangiritse cyangwa kitatwikiriwe na kashe.
Mugihe cyo guturika kwa moteri, gaze nkeya izatemba ku nkombe yumujyi wa silinderi hamwe nimpeta ya piston, hamwe nigitutu cya Crankcase kizamuka mugihe. Muri iki gihe, Vrankcase Ventilation Vention ikoreshwa muguyobora iki gice cya gaze kugirango igere ku mibare myinshi kandi ihumeka mucyumba cyo guhuza. Niba umuyaga uhumeka wahagaritswe, cyangwa ibisobanuro hagati yimpeta ya piston hamwe nurukuta rukabije ni kato kakaba, gaze yinyuma ya cranktican, bikabaho kashe ya peteroli.
Igihe cyose ushyira hejuru ya kamani, komeza ibisasu, kandi igifuniko cya valve ntabwo cyacitse cyangwa cyahinduwe, cyerekana ko igifuniko cya valve ari cyiza. Niba udasanzuye, urashobora gukoresha umutegetsi hamwe numugenzazi (wifashisha) kugirango upime igifuniko cya valve kugirango urebe niba idahindutse.