Worn vharafu hunde zvisimbiso

Nguva yevharuvhu seals, inozivikanwa zviri nani se "valve seals", inodzivirira mafuta kubva pakupinda musoro wecylinder mukamuri yekupisa kana mavharuvhu avhurwa. Zvinyorwa zvikamu izvi zvinenge 100 zviuru zvemakiromita., asi nekushanda kwehasha, kushandiswa kwemafuta emhando yakaderera uye mafuta ekuzora uye mushure menguva refu isina basa yeinjini inopisa mukati (kupfuura gore), kupfeka kwevhavha stem seals kunoitika nekukurumidza. Somugumisiro wekupfeka chisimbiso mafuta anopinda mukamuri rinopisa, nekuda kwekuti motokari inorasikirwa nesimba uye haina kugadzikana, kushandiswa kwemafuta kunowedzera zvakanyanya.

Nzira yekuziva sei kupfeka kwevhavha yevhavha uye kuti ungaibvisa sei - tichataura munyaya ino.

Zviratidzo zvezvisimbiso zvevharuvhu zvakasakara

chiratidzo chekutanga chekupfeka kwevhavha stem seals - utsi hwebhuruu kubva kune exhaust pombi pakutanga uye kuzorora mushure mekudziya. Paunenge uchivhura mutsipa wekuzadza mafuta pane inomhanya mukati memoto injini, utsi hunogona kubuda kubva ipapo, uye mumatsime emakenduru uye pawaya lugs kana ignition coils zvinogoneka masaramusi emafuta. Mateki emafuta anogona kuwanikwa zvakare pashinda uye ma electrode e spark plugs.

Maronda ekuzora mafuta pashinda yekenduru

Kupinda kwemafuta muimba yekupisa kunotungamirira ku coking yezvikamu zveCPG, iyo yakazara nekupisa kwevhavha uye kuitika kwepiston zvindori. Nokufamba kwenguva, izvi zvinogona kukonzera kudiwa kwekugadziridzwa kwemota. Kuwedzera kushandiswa kwemafuta kune ngozi zvakare - nekukwira kusingatarisike kumusoro, kupisa, kurovera uye kunyange jamming yeinjini yekupisa kwemukati inogoneka. Zviratidzo zvezvisimbiso zvevhavha zvakasakara zvakafanana nezviratidzo zvezvimwe zvinetso zvinotungamirira mukupisa kwemafuta, saka iwe unofanira kutanga waona kuti dambudziko riri muvhavha stem seals.

Nzira yekuziva sei kupfeka kwevhavha stem seal

Zvese zviratidzo zvevhavha stem seal kupfeka, zvikonzero uye nzira dzekuongorora dzinotungamira kune izvi dzakapfupikiswa mutafura pazasi kuti zvive nyore.

Symptom	Zvinokonzera kuonekwa	Migumisiro	Nzira dzekuongorora
Utsi hweblue huchibuda mu exhaust	Oiri inoyerera ichibva muhumburumbira ichipinda mukamuri rinopfuta padyo nemitsipa yevharuvhu inotsva pamwe chete nepeturu uye zvigadzirwa zvayo zvinopisa zvinopa ruvara rwebhuruu.	Zvigadzirwa zvinopisa zvemafuta zvinoumba soot, zvindori "zvinorara pasi", mavharuvhu haasati akwana zvakakwana uye anogona kupisa. Kana iyo lubrication level ikawira pasi peiyo shoma, injini yekupisa yemukati inogona kutadza nekuda kwekushaya mafuta.	Tanga injini yekupisa yemukati mushure mekuita kwemaawa 2-3 kana kusvina zvakanyanya gasi pedal pasi kwemasekonzi 2-3 pasina basa neinjini inodziya. Ongorora kuvapo uye ruvara rweutsi.
Carbon inoisa pamagetsi emakenduru, shinda ine mafuta	Mafuta akawandisa kubva mukamuri rinopisa anosvinwa kunze neshinda dzemakenduru, asi o-ring inodzivirira kuti irege kubuda.	Sparking inowedzera, nekuda kwekuti musanganiswa wemhepo-mafuta unopisa zvakanyanya, injini inotanga kushanda isina kugadzikana. Pamajekiseni eICE, iyo ECU inoona misfire uye inoedza kuzvigadzirisa nekuchinja saizi yeiyo jekiseni mafuta chikamu uye nguva yekudzima. Nekuda kweizvi, kushandiswa kwepeturu kunowedzera uye traction inorasika.	Vhura makenduru uye ongorora maelectrode awo, pamwe chete neshinda dzekuzora uye soot.
Kuwedzera kushandiswa kwemafuta	Oiri inopinda zvakasununguka mukamuri rinopisa kuburikidza neakakuvadzwa mavharuvhu zvisimbiso, kwainopisa pamwe chete nemafuta.	Kushanda kwemota kunokanganisa, mafomu e soot mumasilinda, uye kudonha kwakasimba kwemazinga ekuzora kunogona kuuraya injini yekupisa yemukati.	Gara uchitarisa iyo lubricant level mushure mekusvika kune imwe mileage mamaki. Kushandiswa kwemafuta kana mavharuvhu stem seals akapfekwa anosvika 1 l/1000 km uye zvakatowanda.
Kuoma kutanga injini inotonhora	Mafuta anoyerera kubva mumusoro we cylinder anounganidza pavhavha uye pistons, "kukanda" makenduru. Sezvo tembiricha yayo yekudzima yakakwira zvakanyanya kupfuura yepeturu kana gasi, uye kenduru ine mafuta inoburitsa moto wakanyanya, zvinova zvakaoma kubatidza musanganiswa wakafumiswa nemafuta.	Mutoro pabhatiri unowedzera, hupenyu hwayo hwebasa hunoderedzwa. Makenduru mumafuta anoshandawo zvakanyanya, sezvo anokurumidza kuvharwa nesoot. Masara emafuta asina kupiswa anosvibisa catalyst uye lambda probes, zvichideredza hupenyu hwavo.	Nekutanga kunotonhora, nhamba yekuchinja kwekutanga kunowedzera kusvikira injini yatanga.
Utsi hwebhuruu hunobva muhuro hwekuzadza mafuta	Exhaust magasi panguva yekuvhura vharafu kuburikidza nebhokisi rakasakara rekuisa pinda muhumburumbira uye kubuda nemutsipa.	Mafuta akazara nezvigadzirwa zvinopisa, nekuda kwekuti inokurumidza kushandura ruvara rwayo uye inorasikirwa nemafuta ayo ekutanga uye ekudzivirira.	Vhura chivharo chekuzadza mafuta injini ichimhanya.

Pamotokari ine inoshandisika inoshandura inoshandura, utsi hwebhuruu kubva pamhepo inogona kunge isipo, sezvo ichipisa zvigadzirwa zvinopisa zvemafuta. Muhupo hwe neutralizer, bhadhara zvakanyanya kune zvimwe zviratidzo!

Nzira yekunzwisisa sei: kupfeka kwevhavha stem seals kana dambudziko mumarin'i?

Kuongororwa kwevhavha stem seal kupfeka hakungogumiri kune nzira dzekuona. Izvi zvimwe chete zviratidzo zvinogona kuratidza mamwe matambudziko, sekuitika kana kupfeka kwepiston mhete kana isingashande crankcase ventilation system. kuitira kusiyanisa zviratidzo zvekupfeka chisimbiso chevhavha kubva kune mamwe matambudziko, unofanirwa:

Nzira yekuziva sei kupfeka kwevharuvhu seal ine endoscope: vhidhiyo

• Tarisa compression inotonhora uye inopisa. Kana iyo MSC yapfekwa, kudzvanywa mumasilinda kunowanzo kujairika nekuda kwekuwanda kwekuzora kwezvikamu zveCPG. Kana iyo inotonhora compression yakajairika (10-15 atm yepeturu, 15-20 kana kupfuura atm yeinjini yedhiziri, zvichienderana nehuwandu hwekutsikirirwa kweinjini), asi mushure mekushanda kwenguva pfupi (kusati kwadziya) inoderera, ipapo. anogona kunge ari matambudziko nemakapisi. Kana yakaderera zvose kana ichitonhora uye mushure mekudziya, asi inomuka mushure mekuisa jekiseni 10-20 ml yemafuta mumasilinda, dambudziko riri mumhete kana cylinder development.
• Bvisa pombi yekufema injini iri kushanda.. Kana chiutsi chebluish chichibuda muhuro yekuzadza mafuta, unofanirwa kubvisa pombi yekufemesa ye crankcase inotungamira kubva ku crankcase kuenda kumusoro wecylinder (gomba rayo riri pamusoro rinofanira kuvharwa kudzivirira kubuda kwemhepo). Kana zvisimbiso zvevhavha zvakasakara, utsi hucharamba huchibuda mumutsipa. Kana dambudziko riri mumarin'i kana macylinders, hutsi hunobuda mumhepo.

Utsi hwebhuruu kubva papombi yekuburitsa panguva yekutanga hunoratidza kuvepo kwemafuta mukamuri yekupisa.

• Sarudza kuti ndedzipi nguva dzinoputa kubva pakuneta. Kana zvisimbiso zvevhavha zvakasakara, utsi hwebhuruu hunopukunyuka kubva pakuneta panguva yekutanga (nokuti mafuta akaunganidza mukamuri inopisa) uye panguva yekudzorera mushure mekudziya (nokuti kana throttle yakazaruka, mafuta anoyamwa mumasilinda). Mushure mekudzokorora zvishomanana, utsi hunogona kupera. Kana mafuta ekutsvaira zvindori zvepiston akanganisa, zvino inosvuta nguva dzose, uye iyo yakakwirira yekukurumidza, inowedzera simba.
• Ongorora mavharuvhu discs ne endoscope. Injini yemoto yemukati inofanira kubvumirwa kutonhora, yozosunungura makenduru uye kuongorora mavharuvhu ne endoscope kuburikidza nematsime ekenduru. Kana zvisimbiso zvevharuvhu zvisingabatanidzi mafuta, zvino inoyerera zvishoma nezvishoma ichidzika mitsipa yavo, ichigadzira mavara emafuta pamahwendefa evharuvhu uye zvigaro. Kana paine kudonha kwakasimba kwevharuvhu stem seals, zvinotogoneka kuti madonhwe emafuta apinde papiston. Kana mavharuvhu akaoma, zvino dambudziko riri muzvindori.

Magadzirirwo evharuvhu stem seals ari kubuda

Kana mavharuvhu mavharuvhu achidonha, pane nzira mbiri dzekugadzirisa dambudziko:

• kutsiva valve stem seals;
• shandisa zvakakosha zvinowedzera.

Kutsiva valve stem seals inguva-inopedza nzira inoda kupindira mumusoro wecylinder. Pama motors akawanda, disassembly yemusoro ichakwana, asi pane mamwe mamodheru inofanira kubviswa zvachose.

Chishandiso chepamba chekubvisa zvisimbiso zveoiri kubva pamapini

Kuti utsive zvisimbiso zvevhavha, unoda:

• wrenches / misoro uye screwdrivers (nhamba zvinoenderana nemhando yemotokari);
• vharafu desiccant;
• chipanera chekugadzirisa nguva bhandi tension;
• collet cap remover, kana refu-mhino pliers ine denderedzwa grip, kana simba tweezers;
• chinjika tin tsvimbo kusvika 1 cm muhupamhi uye 20-30 cm kureba;
• mandrel chubhu yekutsikirira zvisimbiso zvitsva.

iwe uchadawo kutenga zvisimbiso ivo pachavo, nhamba yacho yakaenzana nenhamba yevhavha mujini inopisa mukati.

kuti utore wakasununguka kutsiva MSC, unoda:

Nguva uye sei kuchinja valve stem seals: vhidhiyo

1. Bvisa spark plugs uye bvisa chivharo chevhavha (inovhara paV-yakaumbwa mukati mejini inopisa mukati).
2. Sunungura bhandi uye bvisa camshaft (shafts paV-shaped uye DOHC motors).
3. Bvisa valve pusher (mukombe), hydraulic compensator, kugadzirisa washer kana zvimwe zvikamu zvinodzivisa kupinda kune "crackers".
4. Pukuta vharafu uye bvisa chitubu.
5. Uchishandisa collet, refu-mhino pliers kana tweezers, bvisa yekare stuffing bhokisi kubva valve.
6. Zora hunde nemafuta uye dzvanya pane kavha nyowani ine mandrel.
7. Unganidza valve actuator mune reverse order.
8. Dzokorora matanho 4-8 kune mamwe mavharuvhu.
9. Isa camshaft uye gadzirisa shafts maererano nezviratidzo, simbisa bhanhire renguva, pedzisa gungano.

kuitira kuti vharuvhu isanyura mucylinder, inofanira kutsigirwa kuburikidza nekenduru zvakanaka nebhati yeti! Imwe nzira ndeyekumanikidza compressor kuburikidza nekenduru zvakanaka uye kuisa mukamuri inopisa netambo yakasimba kuburikidza nayo (kuguma kunofanira kuramba kunze).

Kutsiva zvisimbiso zvevhavha pachiteshi chebasa kunodhura kubva ku5 zviuru rubles (pamwe nemari yezvisimbiso zvitsva). Mune zvimwe zviitiko, unogona kubvisa kuputika nerubatsiro rwemakemikari anokosha.

Valve Seal Leak Additives

Iwe unogona kumisa kubuda kwezvisimbiso zvevharuvhu, kana isina kukuvadzwa, asi yakangoremara zvishoma, nerubatsiro rweakakosha ekuwedzera einjini mafuta. Ivo vanoita pazvisimbiso zverabha zveinjini yekupisa yemukati, vachipfavisa zvinhu zvavo uye kudzoreredza kusimba kwayo, nekudaro vachimisa kubuda kwevhavha stem seals.

• Liqui Moly Oiri Verlust Stop. Iyo yekuwedzera inoshanda seyakagadzika kune viscosity zvimiro zveinjini mafuta, uye zvakare inoshanda pane rabha uye epurasitiki zvisimbiso, kudzoreredza elasticity yavo. Inowedzerwa kumafuta pachiyero che 300 ml (1 bhodhoro) pa 3-4 malita emafuta, mhedzisiro inoonekwa mushure me600-800 km.
• WINDIGO (Wagner) Oiri Stop. Iyo yekuwedzera yemafuta einjini isingachinji maitiro ayo uye inoshanda chete pazvisimbiso zvemafuta. Inodzoreredza elasticity yavo, inoderedza mapundu, nekudaro ichimisa kubuda kwemafuta. Inowedzerwa kune lubricant muchikamu che3-5% (30-50 ml parita).
• Mhoro-Gear HG2231. Budget selective additive iyo isingakanganisi viscosity uye lubricity yemafuta, ichiita pazvisimbiso zverabha. Inodururwa pamwero we 1 bhodhoro pahuwandu hwekushanda kwemafuta, mhedzisiro inowanikwa mushure memazuva 1-2 ekutyaira.

Liqui Moly Oiri-Verlust Stop

WINDIGO (Wagner) Oiri Stop

Hi-Gear HG 2231

Oiri yekuwedzera haisi panacea, saka haisi nguva dzose inoshanda. Ava vanokwanisawo wedzera hupenyu hwevhavha zvisimbiso ne10-30%, iyo mileage iri pedyo neyo inofungidzirwa sosi (kusvika ku 100 zviuru zvemakiromita), kwenguva pfupi "kubata" ikozvino valve stem seals uye utsi kubva pakupera kwekutanga kwedambudziko, asi usabvisa kuparara kwekumhanya.

Kana zvisimbiso zvevhavhavha zvapera zvachose, kushandiswa kwemafuta kunenge 1 l/1000 km, kana zvisimbiso painjini yanga yakamira kwemakore gumi pasina kufamba kwaoma zvachose - mhedzisiro, zvakanyanya, ichave yakasarudzika. . Uye kana dambudziko rinogona kuderedzwa, iwe uchiri kuda kugadzirira kutsiva valve stem seals mushure me10-10 zviuru zvemakiromita.

Inowanzobvunzwa Mibvunzo

• Mavharuvhu stem seals anoenda kwenguva yakareba sei?

  Iyo yakavimbiswa sosi yevharuvhu stem seals inenge 100 zviuru zvemakiromita. Asi nekuda kwekupisa, kushandiswa kwemafuta emhando yakaderera kana kukanganisa kwekuchinja kwayo nguva, hupenyu hwebasa hunoderedzwa, saka zvinowanzodiwa kushandura zvisimbiso zvevhavha mushure me50-90 zviuru zvemakiromita. Kana muchina uyu wanga usingashande kwemakore akati wandei, ipapo vharanda revhavha rinoomesa uye usati watanga kushandisa muchina, unofanirwa kutsiva iwo.

• Ndezvipi zviratidzo zvekuputsika kwevharuvhu stem seals?

  Icho chokwadi chekuti mavharuvhu mavharuvhu akasakara anowanzo kuratidzwa ne3 masisitimu ekutanga:

  • bluish utsi kubva pakupera uye kubva kuoiri yekuzadza mutsipa panguva yekutanga-kusvikira iyo yemukati injini yekupisa ichidziya uye kana gasi pedal ichidzvanywa nesimba;
  • mafuta soot pane spark plugs;
  • kuwedzera kushandiswa kwemafuta.

• Nzira yekuziva sei kana mhete kana mavharuvhu stem seal ari kubuda?

  Dzimwe mhedziso dzinogona kutorwa kubva kumhando yemhepo, sezvo injini yekupisa yemukati inopfungaira kana mavharuvhu stem seal anosakara chete panguva yekutanga-up uye kudzokorora. Nekufamba kwakanyarara, kazhinji hakuna utsi. iwe unodawo kuongorora mweya wekufema: utsi hunobva mairi hunowanzoratidza dambudziko neCPG, kana kuti yakavharwa crankcase ventilation system. Kana zvindori zvakapfekwa, utsi uye kunhuwa kwemafuta akatsva zvicharamba zviripo.

• Ko valve stem seals inogona kugadziriswa here?

  Zvinokwanisika kudzorera elasticity yezvisimbiso zvevhavha nerubatsiro rwemazuva ano auto makemikari zvinhu. Kune akawedzera emafuta, akadai seLiqui Moly Oiri Verlust Stop, ayo anodzoreredza zvimiro zverabha mavharuvhu stem seal uye zvimwe zvisimbiso uye kubvisa kubuda kwavo.