VAZ 2107 injini: mudziyo, chikuru malfunctions, kugadzirisa

Mumba "nomwe" akagadzirwa munguva 1982-2012. Munguva iyi, akakunda zita remotokari yevanhu nekuda kwekudhura, kuvimbika kwezvikamu uye magungano uye kukwanisa kugadzirisa zvinhu zvakaoma (kusvika injini) pamabvi.

Iyo injini yeVAZ 2107 inoshandiswa

Simba rekudyara 2107 rinogona kunzi shanduko yemutsara weinjini dzemotokari dzeTogliatti mota chirimwa. Iyi ndiyo yekutanga yezvinonzi mota dzemhando yepamusoro kugamuchira jekiseni repamusoro.

Iyo GXNUMX jekiseni system inoshanda mumamiriro ezvinhu akaoma, inogara ichiremerwa, kunyanya mumigwagwa yedu. Nokuda kwechikonzero ichi, injini inoda zvakanaka uye nenguva yekugadzirisa. Kunyangwe kuvharika kudiki kunokanganisa kupihwa kwemafuta, semugumisiro wekuti kushandiswa kwemafuta emafuta kunowedzera uye kushanda kweinjini yekupisa kwemukati kunoderera.

Lubrication hurongwa

Imwe yenzvimbo huru dzeinjini yeVAZ 2107 ndiyo lubrication system, iyo inoshanda nekupa mafuta kunzvimbo dzekuzora. Kutenda kwazviri, kukakavara kunoderedzwa uye kushanda kwesimba remagetsi kunowedzera. Kuzadza nemafuta kunoitika kuburikidza nemutsipa wekuzadza mafuta, iyo yakavharwa zvakasimba nevhavha. Iyo yekare, isingachadiwi girisi inodonhedzwa kubva muhurongwa kuburikidza nerimwe gomba - inogona kuvharwa nerabha plug.

Hunhu hwakakosha hwe lubrication system:

• iyo sisitimu inobata chaizvo 3,75 malita emafuta, iyo nhanho inogona kutariswa neiyo index gauge;
• kudzvanywa kweinjini inopisa mukati meavhareji crankshaft kumhanya ndeye 0,35-0,45 MPa;
• iyo lubrication system inoshanda pamwe chete - pasi pekumanikidzwa uye nenzira yekupfapfaidza.

Itsika kutarisa kune makuru matambudziko eiyo lubrication system:

• Yakavharwa mafuta faira;
• crankcase ventilation matambudziko;
• kubuda kwemafuta kuburikidza nekubatana kwakasununguka;
• kuparadzwa kwezvisimbiso zvemafuta e crankshaft;
• matambudziko nekumanikidzwa kwemvura.

Zvikonzero zvedambudziko iri zvakasiyana. Inofanira kunzwisiswa kuti kushanda kwenguva refu kwejini kwakabatana zvakananga ne-lubrication system - inotarisa kusimba kwesimba remagetsi. Chokwadi, kunyangwe kuvhiringwa kwenguva pfupi mukupihwa kwemafuta ekuzora mukati memota zvikamu zvinogona kutungamira kudzoreredza uye kunyangwe kutsiva iyo inodhura unit.

Iyo lubrication system inosarudza kusimba kwesimba remagetsi

Tsvaga kuti ndeipi injini inogona kuiswa paVAZ 2107: https://bumper.guru/klassicheskie-modeli-vaz/dvigatel/kakoy-dvigatel-mozhno-postavit-na-vaz-2107.html

Kutonhora system VAZ 2107

Yakagadzirirwa kuchengetedza inodiwa yehutongi hwekupisa kweiyo injini yekumisikidza nekubatanidza kupisa kubviswa kubva kune zvakanyanya kupisa zvikamu uye zvikamu. Pa "zvinomwe" pane yakavharwa mvura system ine kumanikidzwa kutenderera. Zvimwe zvezvinhu zvayo zvakakosha pombi, tangi yekuwedzera, radiator ine hita ine feni yemagetsi uye thermostat.

1. Pombi yecentrifugal inofambiswa ne crankshaft. Inosanganisira chivharo chakabatwa nemakumbo mana uye muviri wakabatanidzwa kune chivharo kuburikidza nechisimbiso gasket. Pombi inewo roller ine impeller inotenderera pabearing.
2. Iyo tangi yekuwedzera inosanganiswa mune inotonhorera system nekuda kwechikonzero. Iyo element inogamuchira yakawandisa antifreeze, iyo, kana ichikura, inogadzira yakanyanya kudzvanywa iyo inogona kutyora mahosi ese, mapaipi uye radiator maseru. Iyo vacuum rarefaction yakaumbwa panguva yekutonhodza (kuderedzwa) kwemvura ine simba rimwechete. Tangi yekuwedzera yakagadzirirwa kubvisa zvese zviitiko. Icho chinhu chetangi yakasimba ine mutsipa wekuzadza uye zvigadziriso. Basa rinokosha rinoitwa nevhavha yetangi, yakashongedzerwa nemavharuvhu kuti abvise kudzvinyirira kwakanyanya.
3. Iyo heater radiator chikamu chechimiro chine matangi maviri uye musimboti wesimbi. Yakaiswa pamakusheni erubha, yakagadziriswa kumutumbi we "manomwe" ane mabhoti maviri. Iyo element yakabatana netangi yekuwedzera mune yakavharwa dunhu. Iyo yakashongedzerwa nemagetsi feni iyo inogadziriswa ne sensor. Pa "manomwe" ekutanga kwegore rekugadzirwa, fan yemagetsi haina kuiswa, mashizha aitenderera nemagetsi kubva mumotokari. Mumajekiseni masisitimu, feni yemagetsi inogamuchira murairo watove kubva pakombuta kuburikidza nerelay uye antifreeze tembiricha sensor.
4. Iyo thermostat inochengetedza inodiwa yehutongi hwemagetsi emagetsi, inobatsira kutanga nekukurumidza. Akashongedzerwa mavharuvhu maviri: huru uye bypass. Kutenda kune thermostat, injini inodziya nekukurumidza.

Nheyo yekushanda kweinjini yekutonhora inogona kumiririrwa seizvi: antifreeze inotenderera munzvimbo dzese dzehurongwa, inopisa, yozopinda mu radiator uye pombi.

Iyo inotonhorera sisitimu yeVAZ 2107 yakagadzirirwa kuchengetedza inodiwa mamiriro ekupisa ekuisa injini.

Zvimwe pamusoro pemudziyo wekutonhora weradiyeta: https://bumper.guru/klassicheskie-modeli-vaz/sistema-ohdazhdeniya/radiator-vaz-2107.html

Piston boka

Izvi zvinosanganisira zvinhu zvina zvinodiwa.

1. Pistons paVAZ 2107 inorongwa maererano nehupamhi hwemunwe muzvikamu zvitatu zvega 3 mm. Mukugadzira kwavo, kutarisisa kwakanyanya kunobhadharwa kune kuwanda, saka, panguva yekugadziriswa kweiyo injini yekumisikidza, hazvidiwi kushandisa piston yeboka rimwe chete - zvakakwana kuti ivo vari pasi pe "manomwe" injini. Pane museve wekutungamira pane korona yepiston.
2. Iyo piston piston chinhu chechimiro, chakabatwa nekuchengetedza zvindori.
3. Matanda ekubatanidza paVAZ 2107 anoshandiswa nebushing yakamanikidzwa yakagadzirwa nesimbi yakabatanidzwa. Iwo, semapistoni, akaiswawo mumakirasi matatu, zvichienderana nehupamhi hwechitsiko. Kubatanidza tsvimbo dzakagadzirwa nesimbi, dzakagadzirwa.
4. Mhete dziri muboka repiston re "vanomwe" dzakakandwa simbi. Maviri acho akafanana nedhiramu, semi-chrome uye compression, imwe ndeyemafuta scraper.

Piston boka VAZ 2107 inosarudzwa mune imwe saizi

Cylinder block

Iyo block inogadzirwa nemhando yakakosha yesimbi yakakandwa - yakakwirira-simba. Sleeves yeVAZ cylinders haidiwi, sezvo kufinha panzvimbo kunoratidzwa. Masilinda akakwenenzverwa mukati, achiita kuti ave akarurama kwazvo. Iwo akakamurwa kuva 5 makirasi, alternating ne 0,01 mm.

Kukanganisa kweiyo standard injini VAZ 2107

Iro tsika kusiyanisa pakati pezvakaipa zvikuru zveinjini yenguva dzose ye "manomwe". Zvese zvinoda mvumo yepakutanga uye inosungirwa kuitira kudzivirira kugadzirisa kukuru.

Injini inopisa

Kakawanda kusashanda kunokonzerwa nezvikonzero zvakasiyana uye kutyisidzira kuparara kwe cylinder head gasket kana yakaoma injini kugadzirisa. Kazhinji, kana injini ichipisa, chiratidzo pane dashboard chinoratidza. Nehurombo, vatyairi vazhinji havaite nenguva kune museve unosvika kunzvimbo dzvuku.

Pazviratidzo zvekutanga zvekupisa zvakanyanya, zvinodikanwa kuita kare pavhiri:

• vhura damper yemhepo;
• batidza heater yeheater, uchiisa kune yakanyanya kumhanya;
• isa giya bhokisi mune kwaakarerekera modhi, edza kutenderedza mota kumucheto kwemugwagwa nekuda kwe inertia (ive shuwa kuvhura geng rekukurumidzira);
• siya injini kuti ishande kwemaminitsi 2-3.

Izvi zvichashanda kana pasina kuputika kwemhepo kunobuda kubva pasi pehodhi, kureva kuti, iyo yepamusoro-soro yakaderera. Yeuka kuti hazvikurudzirwi kudzima injini nekupisa kwakadaro. Izvi zvinongoitwa chete pamamiriro ekuti hose yakaputika, uye kune kutyisidzira kwekuora mwoyo kweiyo inotonhorera system.

Mushure mekushandura kiyi kune imwe nzvimbo yakatarisana, injini haina kudzima zvachose, inoshanda nekuda kwepseudo-ignition, saka inofanirwa kudzimwa nechisimba nekuisa gearshift lever mune chero chinzvimbo kunze kwekurerekera, wodzvanya brake - ipapo. sunungura clutch.

Mushure mekumisa injini, antifreeze inoramba ichitenderera, iine simba guru pamajoini ezvikamu zvejini. Kana mhedzisiro yacho isingafadzi, izvi zvinotyisidzira kuumbwa kwehuputi hwekuvhara. Chiitiko chacho chinonzi "heat stroke".

Kana kupisa kwekuisa injini kunoperekedzwa nemhepo inogogodza kubva pasi pehodhi yemotokari, mirairo yekugadzirisa inotaridzika zvakasiyana.

1. Vhura hood, tarisa kuvapo kweantifreeze mutangi yekuwedzera, kuvimbika kwehosi, radiator uye thermostat.
2. Bata chivharo chetangi nerag, nyatsosunungura iyo 1 kutendeuka kuti usunungure pressure. Shanda nekuchenjerera kuti usapisa neinopisa antifreeze!
3. Dzosera zvikonzero zvekupisa uye kuora mwoyo kwegadziriro yekutonhora: kuputira hose yakaputsika nematepi emagetsi kana kuitsiva, kuvhara mutswe wakagadzirwa nekuda kwekuora paradiator, zadza muyero unodiwa wefiriji, nezvimwe.

Mune zvimwe zviitiko, mhosva yekupisa ndiyo sensor inobatidza mota ye fan. Zviri nyore kuzvitarisa: iwe unofanirwa kukanda waya ese ari maviri kubva kune sensor terminals uye woabatanidza pamwe chete - kana fan ikashanda nekubatidza pairi, unofanirwa kushandura sensor, haishande.

Iyo thermostat, iyo inodzora kuyerera kweantifreeze kuburikidza nekutenderedza radiator, inogonawo kutadza. Iyo yekutonhodza system musangano inotariswa sezvizvi: painjini inodziya, unofanirwa kunzwa pombi dzepamusoro nedzezasi dzinobatanidza mota kune radiator neruoko rwako. A thermostat malfunction inogona kutongwa neinotonhora yakadzika hose.

Injini inogogodza

Akasiyana.

1. Chokutanga pane zvose, kana zvasvika pakugogodza, tinoreva tsvimbo yekubatanidza. Kana iyo element ikatanga kugogodza, ipapo mafuta ekumanikidza anobva adonha. Sezvo mutemo, vatyairi vane ruzivo vanonzwisisa zviri nyore ruzha rwetsvimbo yakakanganiswa yekubatanidza nehutu hunowedzera sezvo motokari inokurumidza.
2. Kugogodza kunoitikawo mumajenari makuru e crankshaft, apo dzvinyiriro inodonha muhurongwa uye ruzha rwesimbi rwakagomara rwunonzwika. Iyo inozivikanwa pakumhanya kwese kweinjini, uye kusashanda kunogona kuongororwa pasina kupatsanura injini yekupisa yemukati.
3. Kugogodza kana kutonhora kunoratidzwa pamamotor akasakara. Hapana chinotyisa mariri. Ndizvo chete kuti mikaha pakati pezvikamu zvekubatana zvakapfuura miganhu inobvumirwa, apo simba remagetsi rinopisa, zvinhu zvose zvinodzokera kune zvakajairika.
4. Kugogodza kunogoneka nekuda kwekurohwa kwevhavha, iyo inoitika nekuda kwekusagadzikana kwakashata kwe "mubhedha" wecamshaft kana kupfeka kwerocker.
5. Pakupedzisira, inogona kukonzerwa neiyo loose chain drive. Muchiitiko ichi, tinogona kusiyanisa zvakajeka kurira kwesimbi pakusina basa. Sezvo kumhanya kunowedzera, inzwi rinonyangarika zvishoma kana zvachose.

Chiutsi kubva pakufema

Kana zvasvika kune izvi, hapana chiutsi chinopinda muffler, hapana chiputi, asi motokari inotanga kushandisa marita emafuta. Panguva imwecheteyo, yekutanga uye yechina cylinders yejini inovharwa.

Kusashanda uku kune zvikonzero zvakati: shanduko mukutsikirira injini, kupfeka pavharuvhu stem seals, kana kuputika mhete.

Dambudziko reInjini

Mhuri yeVAZ yemotokari yakashongedzerwa nemajekiseni ezera rekare kazhinji "chivi" nemhedzisiro yakadai seyakapetwa katatu. Zvikonzero zvekusashanda, sekutonga, zvinofanirwa kutsvakwa mumajekiseni masisitimu, mafuta ekupa, nezvimwe.

Pane nzira imwe chete yekubvisa kugumburwa kunokonzerwa nepombi yakavharwa yemafuta kana mafirita - nekutsiva zvinhu kana kuzvichenesa. Mune zvimwe zviitiko, pombi inogona kusashanda nemazvo, saka ichafanira kuparadzaniswa uye chikonzero chinowanikwa.

Kana iyo nozzles yakavharwa, saka izvi zvinowanzoitika nekuda kwehurombo-mhando yehuni. Izvo zvinhu pachazvo zvinosungirwawo kupfeka. Iwo majekiseni anotariswa uchishandisa chimiro chakakosha, icho chisingangokubvumiri kuti uongorore mamiriro ejekiseni, asi zvakare unoachenesa.

Kufamba kunogona kuitika nekuda kwekurasikirwa kwespark. Muchiitiko ichi, kufungidzira kunobva kwawira pa spark plugs. Vanokurudzirwa kuti vanyatsotariswa, vatariswe nemaziso kune makatsemuka kana tsvina yakaunganidzwa. Zvinhu zvisina chokwadi zvinofanira kutsiviwa pakarepo. Injini ye "manomwe" inogona katatu nekuda kwekupisa kwemavharuvhu.

Kusvuta kubva muffler

Vakawanda vasingazivi vanofuratira utsi, nokuti inenge isingaoneki pane injini inopisa. Zvisinei, kana ikasamira, ichi chiratidzo chematambudziko akawanda kana mashoma mukuiswa kwejini.

Maererano nevatyairi vane ruzivo, utsi hunokwira pafekitari yekuisa injini. Kunyanya kukoshesa kunofanira kubhadharwa kwairi, munguva yekuona kusashanda.

Utsi kubva muffler VAZ 2107 chiratidzo chezvinetso zvakakomba kana zvishoma

Chaizvoizvo, utsi hwakanyanyisa hunoratidza kukanganisa mukutonhodza uye masisitimu ekupa mafuta. Kusashanda kwemaitiro ekugovera kana boka repiston zvinogoneka.

Nezve mudziyo weiyo exhaust system VAZ 2107: https://bumper.guru/klassicheskie-modeli-vaz/dvigatel/muffler-vaz-2107.html

Anokanda mafuta pamakenduru

Uyewo chimwe chezvinhu zvinowanzovhiringidza zve injini yeVAZ 2107. Mutsara wekenduru kana muviri wakafukidzwa nemafuta, uye mumatambudziko anokosha, kunyange chigadziko chose. Panguva imwecheteyo, mota inoratidza kuderera kwezvinhu zvine simba, kuwedzera utsi uye kushandiswa kwakanyanya kwemafuta.

Nyanzvi dzinopa chikonzero chekukanda mafuta pamakenduru, chekutanga, kukuvadzwa kana kupera kwemavara evharuvhu, mavharuvhu stem seals, piston boka zvinhu kana silinda musoro gaskets.

Haina kudhonza mota

Motokari yarasa kufamba kwayaimboita here? Anenge muridzi wese we "vanomwe" ave achishanda motokari kwemakore anopfuura 5 anotarisana nechiitiko ichi. Anomhanyisa kwenguva yakareba, haakwanise kukunda kukwira mumagiya akakwira.

Sezvaunoziva, VAZ 2107 inouya nejekiseni uye carburetor injini. Zvichienderana neizvi, zvikonzero zvekusashanda zvinosiyaniswa.

1. Paine carbureted mukati memoto injini, kushayikwa kwekudhonza kunokonzerwa nehurongwa hwemagetsi - hapana mafuta akakwana kana kugovera kwayo kwakanyanya. Carburetors inoda kunyatsogadziriswa, kana zvisina kudaro injini ichave isina kugadzikana. Iyo gasi yekuparadzira michina inokanganisawo chiratidzo chemagetsi ejini, iyo inoratidzwa nekuderera kwekumanikidza.
2. Kana injini ine jekiseni system isingadhonze zvakanaka, chikonzero chakabatana nenguva, mafirita, masystem ekupisa uye kusashanda muboka repiston.

Kugadzira injini

Zvishandiso zvinotevera zvichange zvichidikanwa pabasa iri:

• chinodhonza chinokubvumira kuti uburitse piston nyore nyore;
• tsigiro inogadziriswa pasi pepasi, inomira kanenge 1 toni;
• crankshaft ratchet kiyi;
  

  Iyo crankshaft ratchet wrench ichakubvumidza iwe kubata nyore kubhururuka
• yakafara flat probe 0,15 mm;
• gauji yekumanikidza inokwanisa kuyera kudzvanywa munjanji yemafuta;
• mutongi wesimbi;
• vice;
• compression gauge, nezvimwewo.
  

  Iyo compression gauge ichabatsira kuona mamiriro einjini

Nzira yekubvisa sei injini

Injini inobviswa kuti igadziriswe kana kuchinjwa. Hapana chinhu chakanyanya kuoma mukuita kana paine yakakosha winch. Iyo motokari inogona kubviswa munyaya iyi yose, zvisinei, zvakaoma kudarika kuibvisa pasina cylinder musoro.

Kutevedzana kwezviito kunoratidzika seizvi.

1. Iyo hood yemotokari inokurudzirwa kubviswa kuti ipe mahara kuwana.
2. Bvisa zvose zvinotonhorera.
3. Bvisa sefa yemhepo, bvisa tambo yekusveta, kanda kubva kune accelerator lever, carburetor gasi hose - mushoko, zvese zvakabatanidzwa zvinogona kuve chipingamupinyi kushanda.
4. Bvisa muffler, bvisa hose kubva mumoto.
   

   Iwe unogona kusunungura muffler VAZ 2107 neyakajairwa chipanera
5. Bvisa muparadzi.
6. Dhonza chokutanga.
7. Bvisa radiator.
8. Bvisa pombi yemafuta kubva papombi.

Iye zvino unogona kuenderera kune basa rakananga nejini.

1. Bvisa nzungu kubva pamapiro.
   

   Iyo injini yeVAZ 2107 mutsago inozorora pane nut
2. Kuparadzanisa gearbox kubva injini.
3. Dhonza injini kubva pamapiro, shandura tambo yakasimba pasi payo.

Zvichave zvakanyanyisa kunamatira pombi yesimbi pasi petambo. Isa magumo etambo pane hydraulic midziyo yekusimudza injini. Spin uye buritsa mota.

Iyo injini yekubvisa crane ichakubvumidza iwe kuburitsa zviri nyore kunze kwesimba rekudyara

Kutsiva crankshaft bearings

Injini yabviswa, unogona kuenderera.

1. Sunungura mabhaudhi gumi nemana kuchengetedza sump kumusoro wecylinder.
2. Bvisa pombi yemafuta.
3. Bvisai tsvimbo yekubatanidza tsvimbo, bvisa zvivharo.
   

   Iyo yekubatanidza tsvimbo nzungu inofanira kubviswa.
4. Sunda mapistoni kubva mumasilinda.
5. Sunungura crankshaft main bearing cap bolts.
6. Bvisa crankshaft.

Kuti ukwanise kubvisa uye kutsiva mabhanhire, zvinodikanwa kuti ubvise kupinza kunotakura zvindori zvehafu kubva mumigero yemubhedha mukuru wechishanu. Mushure mekubvisa crankshaft, unogona kubvisa mitsara yekare uye woitsiva. Zvinhu zvitsva zvinofanirwa kuenderana nechikamu chaunoda.

Izvo zvinoiswa zvinogona kungotsiviwa. Ivo havasi pasi pekugadzirisa, sezvo ivo vakagadzirwa kune chaiwo zviyero. Nokufamba kwenguva, zvikamu zvinopera, unofanira kuisa zvitsva. Muchokwadi, iwo maraini mabhengi akajeka ematanda ekubatanidza anoshanda pane crankshaft.

Kutsiva mhete dzepiston

Muzviitiko zvakawanda, nzira iyi inodiwa nekuda kwekukanganisa kwemuridzi wemotokari pachake, uyo anozadza chimwe chinhu chisina kujeka panzvimbo yemafuta epamusoro. Mukuwedzera, kuwanda kwekuvandudzwa kwemafuta kunokosha zvikuru. Chiratidzo chekutanga chinoratidza kukundikana kwezvindori ndiko kuwedzera kwakanyanya kwemafuta.

Kutsiva pane yakabviswa asi isati yaparadzaniswa injini.

1. Iyo crankshaft inotenderera kuitira kuti piston inodiwa ive munzvimbo inodiwa - pazasi pakafa centre.
2. Iyo yekubatanidza tsvimbo yekuvhara inobviswa, ese mapistoni anosundirwa kumusoro nemasilinda.
3. Carbon deposits inobviswa kubva mumapistoni.
4. Mhete dzekare dzinotsiviwa nemitsva.

Izvo zvakakosha kuti utange waisa iyo mafuta scraper mhete, uye pakupedzisira simbisa zvese zviri zviviri zvine yakakosha mandrel.

Kugadziriswa kwepombi yemafuta

Iyo pombi yemafuta paVAZ 2107 ndiyo inonyanya kukosha yerubrication system, iyo inobvumira kupihwa kwemafuta pasi pekumanikidzwa. Kugadziriswa kwechinhu kunoreva kuvepo kwezvishandiso senge flat probes inoyera 0,15-0,25 mm, vatongi uye vise.

Algorithm yekuita basa rekudzorera nepombi yemafuta.

1. Bvisa pombi woiisa muvhisi.
   

   Iyo pombi yemafuta VAZ 2107 yakasungirirwa muvise
2. Sunungura mabhaudhi kuchengetedza pombi yekupinda mudzimba.
3. Bvisa pombi kubva mumuviri, uchizviita nemazvo. Chinhu chikuru hachisi kurasikirwa newasher yekumanikidza kuderedza valve.
4. Bvisa chitubu uye vharafu yekuyamura.
5. Bvisa chivharo.
   

   Chifukidzo chepombi yemafuta chinobviswa, ipapo magiya anobviswa
6. Zvadaro bvisa magiya.

Chikamu chega chega chakabviswa chinofanirwa kuongororwa kuti chakatsemuka uye chinokanganisa. Kana vakawanikwa, chinhu chinofanira kutsiviwa. Pakupedzisira, iva nechokwadi chekusuka zvikamu zvose neparafini uye woomesa nemhepo yakamanikidzwa. Mushure maizvozvi, gadzirisa zvinhu zvose pamwe chete.

Injini yeVAZ 2107 inongoratidzika sechinhu chakaoma. Muchokwadi, kana iwe ukatevera mirairo uye nekuchenjerera, unogona kupatsanura zvakachengeteka nekuiunganidza.