Iyini i-pad ye-valve yemoto
Iphedi yokumboza igumbi le-valve yezimoto, eyaziwa nangokuthi i-valve chamber cover pad, iyingxenye ebalulekile yokuvala ngaphakathi kwenjini. Itholakala ekhava yegumbi le-valve, futhi umsebenzi wayo oyinhloko ukuvimbela igesi kanye ne-coolant ekamelweni lokusha ukuthi ingangeni e-crankcase nokuqinisekisa ukuqina kwenjini ngaphakathi. I-gasket yokumboza igumbi le-valve ivame ukwenziwa ngerabha, inokuguquguquka okuhle kanye nokumelana nokuguguleka, ingasebenza ezindaweni zokushisa okuphezulu, umfutho ophezulu kanye nendawo yokugqwala kawoyela negesi.
Iphedi yesembozo se-valve icindezelwa kakhulu futhi igqwala ngesikhathi sokusebenza kwenjini, ngakho-ke idinga ukuhlolwa futhi ishintshwe njalo ukuqinisekisa ukusebenza okuvamile nokusebenza kwenjini. Njengoba isikhathi sokusebenzisa sanda, iphedi yesembozo se-valve chamber ingase ibonakale iguga, iqina, iguquguquka nezinye izinkinga, okuholela ekunciphiseni ukusebenza kokuvala, okuthinta ukusebenza okuvamile kwenjini. Ngakho-ke, umnikazi kufanele ahlole futhi ashintshe iphedi yesembozo se-valve chamber njengengxenye ebalulekile yokugcinwa kwenjini.
Izinto ezisetshenziswayo zephedi yokumboza yegumbi le-valve nazo zithinta impilo yayo yokusebenza. Kunezinhlobo ezimbili zezinto eziyinhloko emakethe: irabha nezinto ezihlanganisiwe. Iphedi yokumboza i-valve yerabha ivamile, kodwa kulula ukuyiguga. Iphedi yokumboza i-valve yegumbi le-valve ehlanganisiwe inokuqina okungcono kanye nokumelana nokuguguleka. Umnikazi kufanele akhethe izinto ezifanele ngokuya ngokusetshenziswa kwemoto kanye nesincomo somenzi sokwandisa impilo yayo yokusebenza .
Umsebenzi oyinhloko wephedi yokumboza igumbi le-valve (iphedi yokumboza igumbi le-valve) ukuqinisekisa ukuqina kwegumbi le-valve nokuvimbela ukuvuza kwamafutha . Ixhunywe nekhanda lesilinda kanye nesembozo sendlela ye-valve phezulu ukuqinisekisa ukusebenza okubushelelezi kanye nokugcotshwa okugcwele kwesakhiwo se-valve yenjini, kuyilapho idlala indima ebalulekile ekuvimbeleni uthuli kanye nokuvala .
Ama-valve cover pad egumbi ngokuvamile enziwa ngerabha futhi angaqina njengoba ekhula ngemva kokusetshenziswa isikhathi eside, okuholela ekuvuzeni uwoyela. Ngaphezu kwalokho, ukucindezela okungalingani kwesikulufu, ukucindezela okukhulu kwesikulufu, ukuguqulwa kwe-gasket yesikulufu se-valve, ukuvaleka kwe-valve yokungenisa umoya okuphoqelelwe yi-crankcase, indandatho yokuvala noma izinkinga zekhwalithi ye-sealant kungaholela ku-gasket oil yesikulufu se-valve .
Uwoyela ophumayo ungase ucindezelwe embozweni wegumbi le-valve, uvimbele ukudlula kukawoyela futhi kuthinte ukusebenza okuvamile kwenjini. Ukuvuza kukawoyela isikhathi eside kuzoholela ekushodeni kokugcotshwa kukawoyela ezingxenyeni zangaphakathi zenjini, kukhulise ukuguguleka, futhi kungaholela ekuqhekekeni kwenjini ezimweni ezimbi kakhulu.
Ngakho-ke, lapho kutholakala ukuthi i-gasket yegumbi le-valve ivuza uwoyela, i-gasket kufanele ishintshwe ngesikhathi ukuze kuxazululwe inkinga yokuvuza uwoyela, kuqinisekiswe ukusebenza okuvamile kwenjini futhi kwandiswe impilo yenkonzo.
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