Indima eyinhloko yendandatho ye-piston yezimoto
"Enhliziyweni yamandla" enembile yenjini yezimoto, indandatho yepiston ngokungangabazeki iyisivikelo esiyinhloko, esenza imisebenzi eminingi ebalulekile ethinta ngqo ukusebenza kanye nesikhathi sokuphila kwenjini.
Okokuqala, inomsebenzi wokuvala, onamathela ngokuqinile ku-piston kanye nodonga lwesilinda, njengesivikelo esiqinile, okuvimbela amagesi okushisa okuphezulu kanye nokucindezela okuphezulu ekamelweni lokushisa ukuthi angangeni ku-crankcase, okuqinisekisa ukuqina kwengcindezi ku-cylinder futhi kunikeze amandla anele okukhipha injini. Uma ukuvala kwehluleka, ukusebenza kahle kokushisa kwenjini kuzoncipha kakhulu, futhi amandla nawo azoncipha.
Okwesibili, inomsebenzi wokulawula uwoyela. Njengoba i-piston ihamba phezulu naphansi ku-cylinder, ifana nomshini wokuhlanza ocophelelayo, ikhipha uwoyela omningi odongeni lwesilinda ukuze ivimbele uwoyela ukuthi ungangeni ekamelweni lokushisa ukuze ushiswe, ngaleyo ndlela ilawule ngempumelelo ukusetshenziswa kukaphethiloli futhi inciphise izindleko zokusebenza. Ngesikhathi esifanayo, ingakha ifilimu kawoyela efanayo odongeni lwesilinda, inikeze ukuthambisa okuhle kwe-piston kanye nodonga lwesilinda, inciphise ukuguguleka.
Ngaphezu kwalokho, indandatho yepiston nayo inemisebenzi yokuqhuba ukushisa nokusekela. Endaweni yokusebenza yenjini enokushisa okuphezulu nokucindezela okuphezulu, ingadlulisela ngokushesha inani elikhulu lokushisa elikhiqizwa ngenhla yepiston liye odongeni lwesilinda, bese ilukhulula ngohlelo lokupholisa, iqinisekise ukuthi injini isebenza ekushiseni okufanele. Ngesikhathi esifanayo, ingasiza ukunyakaza kwepiston futhi inikeze ukwesekwa okuzinzile, ivimbele ipiston ukuthi ingathinti ngqo udonga lwesilinda futhi ibangele ukuguguleka.
Amaphutha avamile kanye nezimpawu zezindandatho ze-piston zezimoto
Nakuba indandatho ye-piston idlala indima ebalulekile, akunakugwenywa ukuhlangana namaphutha lapho usebenza ezindaweni ezinzima, ezibonakala kakhulu njengokuguguleka, ukuphuka, nokunamathela, kulandelwe uchungechunge lwezimpawu ezisobala.
Uma indandatho yepiston igugile, ukusebenza kokuvala kwehla, futhi amagesi asekamelweni lokusha ayavuza, okuholela ekunganeleni kwamandla enjini, ukubambezeleka kokusheshisa, kanye nobunzima bokusheshisa noma ukukhuphuka. Ngesikhathi esifanayo, uwoyela uvame ukungena ekamelweni lokusha ukuze ushiswe, okubangela ukwanda okungavamile kokusetshenziswa uwoyela, okudinga ukwengezwa uwoyela njalo, futhi intuthu eluhlaza okwesibhakabhaka izokhishwa epayipini lokukhipha umoya, ikakhulukazi lapho kuqala ukubanda noma kusheshisa kakhulu. Ngaphezu kwalokho, ukushisa okungaphelele kuzoholela ekwandeni kokusetshenziswa kukaphethiloli wenjini, kudlule amazinga okukhishwa komoya, ngisho nokunyakazisa nokushisa ngokweqile kwenjini.
Ukuphuka kwendandatho yepiston kuyiphutha elikhulu kakhulu, ngokuvamile elibangelwa izinkinga zekhwalithi yokukhiqiza, ukuguguleka okukhulu kwesilinda, ukuvimba amadiphozithi ekhabhoni, usayizi ongafanele we-ring groove, noma umthwalo osebenzayo ngokweqile. Ngemva kokuphuka, kuzoba nemisindo ecacile yokungqongqoza kwensimbi ngaphakathi kwenjini lapho kusheshiswa noma kuqala kubanda, futhi umsindo uzozwakala kakhulu. Ngesikhathi esifanayo, amandla enjini azokwehla kakhulu, futhi ingcindezi kawoyela nayo ingase ingavamile.
Ukunamathela kwendandatho yepiston kubangelwa kakhulu uwoyela ongcolile, ukushiswa kakhulu, ukunamathela kwendandatho yepiston emseleni wendandatho, noma amadiphozithi ekhabhoni amaningi okubangela ukuvaleka komsele wendandatho. Ukunamathela kuzokwenza ukuthi indandatho yepiston ilahlekelwe ukuqina futhi yehluleke ukunamathela ngokuqinile odongeni lwesilinda, okuholela ezimpawini ezifanayo zokwehluleka kokuvala, ukusetshenziswa kawoyela okwandisiwe, kanye nokwehla kwamandla.
Izindlela zokuxilonga nezixazululo zamaphutha endandatho ye-piston yezimoto
Uma imoto ibonisa izimpawu ezingenhla, kuyadingeka ukuxilonga indandatho yepiston ngesikhathi. Izindlela ezivamile zokuxilonga zifaka phakathi ukuhlolwa kwe-endoscope, ukubheka amadiphozithi ekhabhoni phezulu kwepiston kanye nodaka lwamafutha emseleni wendandatho odlula emgodini we-spark plug; ukuhlolwa kokucindezela kwesilinda, uma ingcindezi yesilinda ijwayelekile kodwa kunokusetshenziswa kakhulu kwamafutha, ngokuvamile kuyiphutha lendandatho yepiston; indlela yokubuka enamandla, ukuvimba imbobo ye-dipstick yamafutha esimweni sokubanda, ukuzwa isimo sokuphuma kwegesi nokusebenzisa izicubu ukuthola ukuhamba komoya; ukuhlola indlela yokukhipha, ukubeka phambili ukuhlolwa kwezingxenye ezonakala kalula njengama-valve okukhipha kanye nama-turbocharger, bese kuqinisekiswa inkinga yendandatho yepiston; ukuhlolwa kwe-ejenti yokulungisa, ukufaka i-ejenti yokukhulula indandatho yepiston kanye nokuqapha ushintsho ekusetshenzisweni kwamafutha ukuze kunqunywe izinga lokunamathela.
Uma kunezinkinga ezahlukene, izixazululo nazo ziyahlukahluka. Uma kugqokwa noma kunamathela okuncane, i-ejenti ekhethekile yokulungisa indandatho ye-piston ingasetshenziswa ukubuyisela ukuqina nokusebenza kokuvala kwendandatho ye-piston ngaphandle kokuyihlukanisa injini. Isibonelo, ubuchwepheshe bokulungisa obungabhubhisi i-"Siyou Pu 2 + 18" bungasebenza esimweni sokunamathela kwendandatho yegesi kanye nendandatho kawoyela ngasikhathi sinye, benze ukulungiswa okunamandla ngaphansi kwezimo zokushayela ukuze bagweme ingozi yokulimala kwesibili. Uma izindandatho ze-piston zigugile kakhulu noma ziphukile, zidinga ukushintshwa ngokushesha. Uma uzishintsha, kubalulekile ukukhetha imikhiqizo ethembekile bese uya esitolo sochwepheshe se-4S noma esitolo sokulungisa, lapho abasebenzi abangochwepheshe bezokwenza khona umsebenzi. Ngoba ukushintsha izindandatho ze-piston kudinga ukuhlukaniswa kwenjini, inqubo iyinkimbinkimbi. Uma ukufakwa kungenziwa kahle, kungathinta ukusebenza kwenjini futhi kubangele nomonakalo omkhulu kakhulu. Ngaphezu kwalokho, ngesikhathi sokushayela nsuku zonke, ukushintsha njalo uwoyela wenjini kanye nesihlungi samafutha, ukusebenzisa uphethiloli wekhwalithi ephezulu, nokugwema injini ekusebenzeni ngaphansi kokucindezelwa isikhathi eside kungandisa ngempumelelo impilo yenkonzo yezindandatho ze-piston futhi kunciphise ukwenzeka kweziphambeko.
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