Kusagwira ntchito kwa valve ya EGR (USR). Zizindikiro, zimayambitsa, kukonza.

EGR valve kapena Valavu ya EGR ndi imodzi mwazinthu zofunika kwambiri pamakina odana ndi kuipitsa galimoto yanu. Izi zimathandiza kuti mpweya wotulutsa mpweya ubwerezedwenso mu injini kuti achepetse kuchuluka kwa CO2 kutulutsa mpweya wotulutsa mpweya. Zida zovomerezeka pa injini zonse za dizilo zili ndi gwero la makilomita 150.

Kodi dongosolo la EGR ndi chiyani ndipo ndi la chiyani?

Kubwezeretsanso gasi wotulutsa mpweya, kapena EGR, ndiukadaulo wapadera womwe umathandizira kuchepetsa utsi woyipa kuchokera ku utsi wagalimoto. Mafuta akayaka pa kutentha kwambiri, ma nitrogen oxides (NOx) amapangidwa, omwe ndi zinthu zapoizoni kwambiri. Akatulutsidwa mumlengalenga, amatha kuthandizira kupanga utsi ndikuyambitsa mvula ya asidi, yomwe imakhala yovulaza chilengedwe komanso thanzi la anthu, zomwe zimayambitsa mavuto a kupuma.

Kuyambira kumayambiriro kwa zaka za m'ma 1990, mayiko a ku Ulaya adayambitsa miyezo ya chilengedwe ya magalimoto, kuyambira Euro-1, yomwe imayang'anira kuchuluka kwa mpweya woipa. M'kupita kwa nthawi, zofunikira zamagalimoto zakhala zovuta kwambiri. Dongosolo la EGR limaphatikizapo valavu ya EGR ndi chozizira. Valavu ya EGR imabwezeretsanso mpweya wina wotulutsa mpweya ku masilindala a injini kudzera munjira zambiri. Izi zimachepetsa kutentha kwa moto ndikuchepetsa kuchuluka kwa nitrogen oxides mpaka 70%, popanda kukhudza mphamvu ya injini komanso kuchepetsa kugwiritsa ntchito mafuta. Eni magalimoto ambiri amakonda kuzimitsa valavu EGR, kukhulupirira kuti chigawo ichi amangowononga ndipo sabweretsa phindu lililonse kupatula kuchepetsa mpweya mumlengalenga. Komabe, mawu amenewa si oona kwenikweni. Dongosolo la USR litazimitsidwa, mavuto otsatirawa amabwera: 1. Kuopsa kwa kutentha kwa injini yam'deralo kumawonjezeka, zomwe zingawononge ntchito yake. 2. Kuwotcha kwa injini kumachepetsa, zomwe zimayambitsa kuvala kowonjezereka. 3. Kugwiritsa ntchito mafuta kumawonjezeka, zomwe zimawonekera kwambiri poyendetsa galimoto pamsewu waukulu. Kuphatikiza apo, magalimoto opanda dongosolo la USR sangakwaniritse miyezo ya chilengedwe kuti alowe m'mizinda ndi madera ena aku Europe. Mwachitsanzo, ku Austria, Belgium, Germany, Denmark, France ndi Czech Republic, pali madera achilengedwe omwe magalimoto omwe sakwaniritsa miyezo ya Euro amaletsedwa kulowa.

Kodi zoyambitsa za EGR valve yolakwika ndi chiyani?

Pakapita nthawi, valavu ya EGR ikhoza kuyamba kusonyeza zizindikiro za kutopa ndikugwira ntchito mochepa. Vutoli likhoza kufotokozedwa pazifukwa zingapo:

• Kusungitsa ndalama calamine : Kusakaniza kumeneku kwa mwaye ndi zonyansa kumamatira mu valavu yotulutsa mpweya wotulutsa mpweya, kutsekereza ntchito yake kapena kutsekereza kwathunthu ngati ilipo mochulukirapo.
• Un thupi lopunduka losalongosoka : Izi ndi zomwe zimapangitsa kuti zikhale zotheka kuyendetsa kayendedwe ka mpweya m'zipinda zoyaka. Kuwonongeka kwake kungakhudze ntchito ya valavu yotulutsa mpweya wotulutsa mpweya.
• Kutulutsa mafuta makina : Nthawi zambiri zimachokera kumutu wa silinda, gasket yomwe siili yolimba konse, ndipo kutayikira kumeneku kudzakhudza ntchito ya valve ya EGR.

Chifukwa chake, zinthu zitatu izi zipangitsa kuti valavu yotulutsa mpweya wotulutsa mpweya isalephereke, ndipo kulephera kumayambitsa zizindikiro zotsatirazi pagalimoto yanu:

1. Kuyatsa nyali yochenjeza za injini : zimayambitsidwa pamene galimoto yanu ili ndi mpweya wambiri woipa;
2. Kutaya mphamvu ya injini : panthawi yothamanga, injini imavutika kuti ifike pa rpm.
3. Kuvuta kuyambitsa galimoto : Mukayatsa choyatsira, muyenera kuchita izi kangapo kuti muyambe injini;
4. Kugwedeza pamene mukuyendetsa galimoto : popeza injini sikugwiranso ntchito, imakonda kugwira;
5. Utsi wautsi umadetsedwa : idzasanduka imvi kapena ngakhale yakuda kwathunthu kutengera mulingo wa kuipitsa mpweya;
6. Kuchuluka mafuta : Injini imafunikira mafuta ambiri kuti igwire ntchito.

https://www.youtube.com/shorts/eJwrr6NOU4I

Kodi valve ya EGR imagwira ntchito bwanji?

Eni magalimoto ambiri amakonda kuzimitsa valavu EGR, kukhulupirira kuti chigawo ichi amangowononga ndipo sabweretsa phindu lililonse kupatula kuchepetsa mpweya mumlengalenga. Komabe, mawu amenewa si oona kwenikweni. Dongosolo la USR litazimitsidwa, mavuto otsatirawa amabwera: 1. Kuopsa kwa kutentha kwa injini yam'deralo kumawonjezeka, zomwe zingawononge ntchito yake. 2. Kuwotcha kwa injini kumachepetsa, zomwe zimayambitsa kuvala kowonjezereka. 3. Kugwiritsa ntchito mafuta kumawonjezeka, zomwe zimawonekera kwambiri poyendetsa galimoto pamsewu waukulu. Kuphatikiza apo, magalimoto opanda dongosolo la USR sangakwaniritse miyezo ya chilengedwe kuti alowe m'mizinda ndi madera ena aku Europe. Mwachitsanzo, ku Austria, Belgium, Germany, Denmark, France ndi Czech Republic, pali madera achilengedwe omwe magalimoto omwe sakwaniritsa miyezo ya Euro amaletsedwa kulowa.

Zifukwa za EGR valve kulephera

Choyambitsa chachikulu cha kulephera kwa ma valve ndi mapangidwe a carbon deposits mu mayendedwe ndi njira yodyera. Kusungitsa kumeneku kungayambitse kutsekeka kwa machubu ndi ndime zomwe mpweya wotulutsa mpweya umadutsa, komanso kutsekeka kwa makina a valve plunger. Nthawi zina, valve actuator imathanso kusweka chifukwa cha ma depositi a kaboni. Mavutowa angapangitse kuti valavu ikhale yotseguka kapena yotsekedwa, zomwe zingayambitse mavuto aakulu ndi injini.

Zizindikiro za valve yoyipa ya EGR

Zizindikiro zotsatirazi zitha kuwonetsa valavu ya EGR yolakwika:

1. Nyali ya Check Engine pa dashboard yayatsidwa.
2. Kuchepetsa mphamvu ya injini komanso kusagwira ntchito movutikira.
3. Kuchulukitsa kwamafuta monga valavu ya EGR yosagwira ntchito kumatha kusintha kusakaniza kwa mpweya/mafuta.
4. Maonekedwe a kuphulika kapena kugogoda mu injini, zomwe zingayambitsidwe ndi kusagwira bwino ntchito kwa valavu ya EGR ndi kusintha kwa kuyaka kwa ma silinda.

Ngati mukukayikira valavu ya EGR yolakwika, ndi bwino kuti mulumikizane ndi katswiri kuti mudziwe ndi kukonza.

Ndi njira zotani zokonzera valavu ya EGR?

Kuti mukonze valavu yotulutsa mpweya wotulutsa mpweya ngati watsekeka, mutha kuyesa njira zitatu kutengera kuchuluka kwa mpweya wosungidwa:

• Kuyeretsa pamene mukuyendetsa galimoto : padzakhala kofunikira kuyendetsa pamsewu wothamanga, kuthamangitsa injini ku 3500 rpm kwa makilomita pafupifupi makumi awiri, kuti muwotche zotsalira zonse za mwaye;
• Kugwiritsa ntchito zowonjezera : imatsanuliridwa mwachindunji mu thanki yamafuta agalimoto yanu ndipo imagwiritsidwa ntchito kuyeretsa injini yonse, makamaka fyuluta ya tinthu tating'onoting'ono;
• Un kutsika : Yankho ili ndilothandiza kwambiri ndipo liyenera kuchitidwa ndi katswiri yemwe angathe kuchotsa mpweya wonse womwe ulipo mu injini ya injini ndi dera lotulutsa mpweya.

Momwe mungasinthire valve ya EGR?

Ngati valavu yanu ya exhaust gas recirculation (EGR) yalephera kwathunthu, palibe kuyeretsa komwe kungakonze ndipo iyenera kusinthidwa posachedwa. Tsatirani malangizo athu pang'onopang'ono kuti muchite bwino ntchitoyi nokha.

Zofunika Pazinthu:

• Bokosi Lazida
• Magolovesi oteteza
• Mlandu wa matenda
• Valve yatsopano ya EGR

Gawo 1: kusagwirizana batire

Kuonetsetsa ntchito otetezeka, mzati zoipa batire ayenera kulumikizidwa. Ndi wakuda, wophiphiritsidwa ndi chizindikiro -.

Gawo 2. Sakanizani mpweya wotulutsa mpweya wotulutsa utsi.

Yambani ndikudula chitoliro cha vacuum, kenako chotsani zomangira zomwe zili ndi valavu ya EGR. Bwerezani ntchitoyo ndi zomangira za chitoliro chake ndi utsi wambiri. Ndiye padzakhala kofunika kuchotsa diffuser ku utsi mpweya recirculation valavu, komanso gasket ku utsi zobwezedwa chitoliro. Tsopano mutha kuchotsa valavu yowonongeka ya gasi yolakwika.

Khwerero 3: Ikani valavu yatsopano ya EGR.

Tsopano mutha kukhazikitsa valavu yatsopano ya EGR ndikulumikizanso batire yagalimoto yanu. Ndibwino kuti mukonzenso kompyuta yanu pogwiritsa ntchito zida za matenda ndi mapulogalamu ake.

Zoyenera kuchita ngati EGR valve actuator yasweka?

Kuwonongeka kwa valve ya EGR nthawi zambiri kumalumikizidwa ndi zida zosweka pagalimoto yake. Pali njira zingapo zothetsera vutoli: 1. Njira yoyamba ndikugula ndikuyika chipangizo chatsopano. Njirayi imapereka chitsimikizo, koma kuipa kwake ndi mtengo wapamwamba. Kwa zitsanzo zina zamagalimoto, valavu yatsopano ya EGR ikhoza kuwononga ndalama zoposa 500 EURO, ndipo izi sizikuphatikizapo mtengo wa ntchito pa malo opangira magalimoto. 2. Njira yachiwiri ndikugula kontrakitala kapena gawo logwiritsidwa ntchito. Chigawo cha mgwirizano chimawononga ndalama zochepa kuposa zatsopano, kuyambira 70 EURO pamsika wachiwiri. Komabe, zida zoterezi sizimaperekedwa ndi chitsimikizo, ndipo pali chiopsezo cholandira gawo lolakwika kapena lotsika. 3. Njira yachitatu yomwe malo operekera chithandizo angapereke ndikuzimitsa valve yobwezeretsanso. Komabe, njirayi imakhala ndi chiopsezo cha kutenthedwa kwa injini ndikuwonjezera kuvala chifukwa cha ntchito yosayenera ya dongosolo. 4. Njira ina ndiyo kubwezeretsa galimotoyo pogwiritsa ntchito zida zokonzera. Njirayi ili ndi ubwino wambiri, kuphatikizapo mtengo wotsika mtengo. Mtengo wa zida zokonzera valavu yobwezeretsanso ndi 10-15 EURO. Chida chokonzekera chimaphatikizapo zida zatsopano zosamva kuvala, mafuta a silicone kuti ateteze ziwalo kuti zisavale, komanso malangizo atsatanetsatane oyika ndi zithunzi. Zida zokonzerazi ndizoyenera magalimoto amtundu wa VAG monga Audi, Volkswagen, Skoda ndi Seat. Kuyika chida chokonzekera kumapangitsa kuti valve ya EGR ibwezeretse ntchito ngati galimoto yatsopano kuchokera ku fakitale.

Ndi zizindikiro zina ziti zomwe zingatheke za valve yoyipa ya EGR?

Ngati valavu yanu ya EGR ikugwira ntchito koma simunazindikire, ikhoza kuwononga kwambiri DPF yanu ndi kudya mochuluka. Komanso, ngati malasha aikidwa bwino mu dongosolo lamadyedwe, ndiye turbocharger zomwe zingawonongeke kwambiri ndi izo.

Valavu ya exhaust gas recirculation (EGR) ndi gawo lamakina lomwe ndi gawo la njira yochepetsera mpweya woipa. Chifukwa chake, kugwira ntchito kwake moyenera ndikofunikira pakuyendetsa mwalamulo ndikudutsa luso lanu. Pachizindikiro chochepa cha kutha, sungani nthawi yokumana ku garaja yodalirika pogwiritsa ntchito wofananizira wathu wapaintaneti!