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Isihlungi sikawoyela sisebenza kanjani?

Uwoyela wenjini udlala indima ebaluleke kakhulu enjinini. Kuyasiza ukupholisa injini ngokudlulisa ukushisa. Ukubeka uphawu igebe phakathi kwendandatho ye-piston nodonga lwesilinda; ukumunca ukungcola; nokumiswa kwezinhlayiya zomsizi njengezinsalela zomlilo. Okungcolisayo kungaba yimvelo efana nesikhunta namagciwane asemoyeni. Izinhlayiya ezingaphili zingaba yizinto eziningi, kufaka phakathi uthuli oludonswa enjini ngenkathi kusebenza.

Ingaphandle lesihlungi sikawoyela liyisitsha sensimbi esine-gasket engaboshelwa ebusweni benjini. Ibhasikidi linamathiselwe esisekelweni sekani futhi kwakheka imbobo ezungeze indawo engaphakathi kwegasket. Umgodi ophakathi nendawo ucijelwe ukuhlangana nomhlangano wokuhlunga uwoyela kubhlokhi yenjini. Ingaphakathi lembiza liyinto yokuhlunga, imicu yokwenziwa evame kakhulu. Iphampu kawoyela wenjini ihambisa uwoyela ngqo kusihlungi bese ingena kusihlungi samafutha kusuka emgodini osephethelweni lepuleti lesisekelo.

Uwoyela ongcolile udlula emithonjeni yokuhlunga bese ubuyela emgodini ophakathi nendawo lapho ungena khona kabusha enjini. Imvamisa, izihlungi zinezinhlobo ezimbili zemidiya: eyokuqala neyesibili. Isikhungo esiyinhloko singavimba izinhlayiya ezincane njengama-microns angama-25-30 (usayizi wezinwele zabantu ngama-microns angama-65-70) kanti okuphakathi nendawo kungavimba izinhlayiya ezincane njengama-microns ayi-5-10.


Isikhathi Iposi: Nov-05-2020