Mhepo inodonha

Apo motokari, kana ichitanga kubva pakumira (yakapinza), inotanga kuvhuvhuta kwechipiri, uye mune dzimwe nguva kunyange matanda, iyi ndiyo 99% yekubuda kwemhepo. Sezvo mhepo yakawandisa ichipinda mukati meinjini yekupisa injini inokonzeresa kupera kwakanyanya kwemusanganiswa uye, semhedzisiro, matambudziko ekudzima. Iyo mota troit uye inogona kumira isina basa.

Mamwe mashoko anogona kuwanikwa muchinyorwa chino.

Air leakage zviratidzo

Zviratidzo zvekubuda kwemhepo DVSm kazhinji kazhinji hazvina kujeka:

1. Kusachengeteka tanga mangwanani.
2. Kugadzikana kusashanda -Idle kumhanya inochinja nguva dzose kunyangwe pazasi 1000 rpm. Iyo ICE inogona kumira. Pamotokari ine carburetor ICE, kunaka uye uwandu screw inova isingakoshi pakuseta XX modhi sezvo mhepo ichipfuura XX chiteshi.
3. Simba rinodonha - mune yekutora turakiti pane masisitimu ane MAF (mass air flow sensor) - yakaderera idle kumhanya; pane masisitimu ane MAP sensor (absolute pressure sensor), pane zvinopesana - yakawedzera rpm XX, zvikanganiso zve lambda, musanganiswa wakaonda, misfires.
4. Kuwedzera kushandiswa kwemafuta - kuti utange uye urambe uchifamba, unofanirwa kugara uchimhanyisa kumhanya, uchiri mugiya rezasi kwenguva yakareba.

Mhepo inodonha

Nzvimbo huru dzekusveta dzinogona kuitika dzinosanganisira:

• kutora manifold gasket;
• throttle gasket;
• chikamu chepombi yebazi kubva kumhepo sefa kusvika kune throttle unit;
• O-zvindori zvemajekiseni;
• Vacuum akamedura booster;
• vacuum hoses;
• adsorber valve;
• idle speed regulator (kana iripo).

Zvakasiyana, zvakakosha kufunga nezvenzvimbo dzekudonha kwemhepo pane carburetor ICEs - hapana zvemagetsi ipapo, uye mweya unogona kungoyamwa pane vacuum booster kana kumwe kunhu mune carburetor.

Suction points (carburetor)

1. Iyo screw ine mhando yemafuta musanganiswa.
2. Kune gasket pasi pe carburetor - nzvimbo dzine soot chiratidzo chechokwadi.
3. Kuburikidza nemhepo yakasununguka.
4. Kuburikidza nemaekisero ekudzipwa.
5. Kutyorwa kwekuvimbika kweiyo throttle damper, economizer kana kutanga damper diaphragms.

Mhepo inodonha mudhiziri mafuta system

Mugadziriro yemafuta ye dizeli mukati mejini inopisa, kufefetera kunowanzoitika nekuda kwekusangana kunoputika kwepombi dzepasi-pressure mafuta system (kubva patangi kuenda kune sefa uye kubva kune sefa kuenda kune jekiseni pombi).

Chikonzero chekusveta pamotokari yedhiziri

Mhepo inodonha muhuti inobvinza inoitika nekuti mweya wemuchadenga wakakwirira kupfuura uwo unogadzirwa apo pombi inosveta mafuta edhiziri kubva mutangi. Hazvigoneke kuona depressurization yakadaro kuburikidza nekudonha.

Pama ICEs edhiziri emazuva ano, dambudziko rekudonha kwemhepo muhurongwa hwemafuta rakanyanya kuwanda pane enjini dzedhiziri dzekare. Zvose kuburikidza nekuchinja mukugadzirwa kwekupa kwemafuta emafuta, sezvo aimbova ndarira, uye ikozvino ita plastiki inokurumidza-kuburitsavane hupenyu hwavo.

Plastiki, semugumisiro wekudengenyeka, inowanzopera, uye rubber O-rings inopera. Dambudziko iri rinonyanya kutaurwa munguva yechando pamotokari dzine mileage inopfuura 150 zviuru zvemakiromita.

Zvikonzero zvikuru zvekuyamwa kazhinji:

• hosi dzakasakara uye zvisungo zvakasununguka;
• akakuvadzwa mafuta mapaipi;
• kurasikirwa kwechisimbiso pakubatanidza mafuta sefa;
• iyo yakasimba mumutsara wekudzoka yakaputsika;
• chisimbiso chedhiraivha shaft, axis yemafuta ekugovera control lever kana mujekiseni pombi chivharo chakaputsika.

Muzviitiko zvakawanda, banal inoitika. kukwegura kwezvisimbiso zverabha, uyezve, hurongwa hwemafuta hunogona kuva hwemhepo kana kukanganisa kune chero matavi, zvose zvakananga uye zvakadzokera shure.

Zviratidzo zvekubuda kwemhepo

Iyo yakajairika uye yakajairika - mota mangwanani kana mushure menguva refu yekudzikira, inomira kutanga nekukurumidza, iwe unofanirwa kushandura mutangi kwenguva yakareba (panguva imwe chete kune hutsi hudiki kubva pakubuda - izvi zvicharatidza kuti mafuta yapinda mumacylinders). Chiratidzo chekusveta kukuru hakusi kungotanga kwakaoma, asi kana uchityaira, inotanga kumira uye troit.

Iyi mufambiro wemotokari inokonzerwa nekuti pombi yepamusoro-soro haina nguva yekupfuura furo mukati mayo pachayo chete nekumhanya kukuru, uye pakusaita haigoni kutarisana nemhepo yakawanda muimba yemafuta. Kuti uone kuti dambudziko mukushanda kweinjini yedhiziri yemukati yakabatana chaizvo nekudonha kwemhepo, kutsiva machubhu akajairwa neakajeka achabatsira.

Nzira yekuwana sei inodonha mudhiziri mafuta system

Mhepo inogona kudhonzwa mumubatanidzwa, muchubhu yakakuvadzwa, kana kunyange mutangi. Uye iwe unogona kuiwana nekubvisa, kana iwe unogona kuisa kumanikidza kune sisitimu yevacuum.

Kunyanya nzira yakanakisisa uye yakavimbika - tsvaga kuvuza nenzira yekubvisa: batanidza mafuta edhiziri kwete kubva mutangi, asi kubva mugaba kuenda kune chimwe nechimwe chikamu chemafuta system. Uye tarisa iyo imwe neimwe - pakarepo ibatanidze kune yakakwira-kumanikidza pombi yemafuta, wozoibatanidza pamberi pe sump, nezvimwe.

Iyo inokurumidza uye yakapusa sarudzo yekuona nzvimbo yekuyamwa ndeyekupa kumanikidza kune tangi. Zvino, munzvimbo iyo mhepo inosvetwa mukati, ingave kuridza muridzo kuchaonekwa, kana kubatana kunotanga kunyorova.

Yakawanda yakawanda mweya inodonha

Mhedzisiro yekudonha kwemhepo mumutambo wekutora iri pakuti, pamwe chete nemafuta, mhepo yakawandisa uye isingazivikanwi neDMRV kana DBP sensor inopinda mukati mejini inopisa, iyo inotungamirira kune yakaonda mhepo-mafuta musanganiswa mumasilinda. Uye izvi, zvakare, zvinobatsira pakushanda kwakashata kwejini inopisa mukati.

Air leakage chikonzero

1. Mechanical impact.
2. Kuwedzeredza (kunokanganisa elasticity ye gaskets uye sealant).
3. Kunyanya kushungurudzwa kwecarburetor cleaners (inonyorovesa zvakanyanya sealant uye gaskets).

Kunyanya zvinonetsa kuwana nzvimbo yekudonha kwemhepo munzvimbo ye gasket pakati pemusoro wecylinder uye manifold ekutora.

Nzira yekuwana sei kubuda kwemhepo mune zvakawanda

Pane peturu ICEs, mhepo isina kuverengerwa nemasensor inopinda muhuwandu hwekudyara kuburikidza nekudonha kana kukuvadzwa kwemhepo ducts, leaky nozzle seals, uye zvakare kuburikidza nemahosi evacuum brake system.

Isu takaona nzvimbo dzakajairwa dzekuvuza, ikozvino zvakakodzerawo kufunga kuti ungatsvaga sei kudonha kwemhepo. Kune akati wandei nzira dzekutsvaga dzeizvi.

Jenareta yefodya iri nyore

DIY mafuta utsi jenareta

Nzira iri nyore yekutarisa kana iripo mhepo inobuda muchikamu chekutora mushure memita yekuyerera - sunungura pombi yekupinza mhepo pamwe chete ne sensor kubva kumhepo sefa imba uye tanga injini yekupisa yemukati. Wobva wavhara gungano ne sensor neruoko rwako uye tarisa maitiro - kana zvese zvakajairika, ipapo mota inofanirwa kumira, ichidzvanya pombi mushure memhepo sensor. Zvikasadaro, izvi hazvizoitike uye kazhinji muridzo unonzwika. Kana zvisingabviri kuwana kubuda kwemhepo nenzira iyi, saka unoda kuenderera mberi nekutsvaga nedzimwe nzira dziripo.

Kazhinji vari kutsvaga kusveta kungave nekutsikirira hose, kana nekupfapfaidza nzvimbo dzinobvira nemusanganiswa unopisa, senge: peturu, carbcliner kana VD-40. Asi nzira inonyanya kushanda yekuwana nzvimbo iyo mhepo isingaverengeki inopfuura neiri kushandisa jenareta reutsi.

Tsvaga mhepo inobuda

kazhinji, matambudziko neusimbe, pamwe nekuonekwa kweakaonda musanganiswa kukanganisa, anoitika chete nekusveta kwakasimba. Kusveta kudiki kunogona kutariswa nekutarisa mafuta emafuta asina kuita uye achimhanya zvakanyanya.

Kutarisa kubuda kwemhepo nekudzvanya mahosi

kuti tiwane nzvimbo yekubuda kwemhepo yakawandisa, tinotanga injini yekupisa yemukati toirega ichishanda kwechinguva, uye panguva ino tinoisa nzeve dzedu dzakavhurika uye kuyedza kunzwa kuridza muridzo, uye kana zvaisaita kuona. , ipapo tinopinza mahosi anoenda kune yakawanda yekutora (kubva kune regulator fuel pressure, vacuum booster, etc.). Apo, mushure mekuvhara uye kusunungurwa, kuchinja kwekushanda kwejini inopisa mukati kunoonekwa, zvinoreva kuti pane kuparara munzvimbo ino.

zvakare dzimwe nguva inoshandiswa yakadzvanywa mweya yekutsvaga nzira. Kuti uite izvi, pane yakavharwa mukati meinjini yekupisa, vhara pombi kubva kune sefa uye pombi mhepo kuburikidza nechero chubhu, wakambobata turakiti rese rekudya nemvura ine sipo.

Tsvaga kudonha kwemhepo nekudurura peturu

Nzira yekuona sei kupfapfaidza kuyamwa

Kumisikidza nzvimbo iyo mhepo iri kupinda mukati meinjini yekupisa, nzira yekupfapfaidza majoini nemumwe musanganiswa unopisa neinjini inoshanda zvinobudirira inobatsira. Inogona kuva peturu yenguva dzose kana yekuchenesa. Ichokwadi chokuti iwe wawana nzvimbo iyo inoyamwa ichave yakakonzerwa nekuchinja kwekukurumidza kwejini inopisa mukati (vachadonha kana kuwedzera). Izvo zvinodikanwa kudhirowa musanganiswa unopisa musirinji diki uye kupfapfaidza nerukova rutete nzvimbo dzese dzingave nekusveta. Mushure mezvose, kana peturu kana imwe mvura inopisa ichipinda panzvimbo yekudonha, inongopinda mukamuri yekupisa nenzira yemhute, izvo zvinotungamira mukusvetuka kana kudonha mukumhanya.

Paunenge uchitsvaga inovuza, yakakodzera kumwaya pa:

1. Rubber pombi kubva pamita yekuyerera kuenda kune isingashande yekumhanyisa regulator uye kubva kuIAC kuenda kuvhavhavhavhavhavha.
2. Tora manifold-to-cylinder head connections (apo gasket iripo).
3. Kubatana kwemugamuchiri uye throttle bazi pombi.
4. Injector gaskets.
5. Ese hose dzerabha pazvisungo (inlet bellows, nezvimwewo).

Kutarisa kusvetwa nejenareta reutsi

Vashoma vanhu vane jenareta yehutsi yakarara mugaraji, saka iyi nzira yekutsvaga yekudonha muhurongwa inonyanya kushandiswa mumasevhisi. Kunyangwe, kana mumamiriro egaraji nzira dzekusveta dzakurukurwa pamusoro apa hadzina kuwanikwa, saka jenareta yechinyakare inogona kugadzirwa, kunyangwe iyo yakajairwa inewo dhizaini iri nyore. Chiutsi chinopinzwa mupaburi ripi neripi muturakiti rokupinza, uye chobva chatanga kupinda nepamaburi.