Sauya hatimin mai na gaba da na baya

A lokacin aiki, injin motar yana jure wa nau'ikan lodi daban-daban tare da canzawar yanayin aiki akai-akai. Don tabbatar da aikin injunan konewa na ciki, raguwa mai mahimmanci a cikin rikice-rikice, lalacewa na sassa, da kuma kauce wa zafi, ana amfani da man fetur na musamman na injiniya. Ana ba da man da ke cikin motar a ƙarƙashin matsin lamba, nauyi da fantsama. Tambaya mai ma'ana ita ce ta yaya za a tabbatar da matsewar injin don kada mai ya zubo daga cikinsa? Don wannan, akwai hatimin mai da aka shigar, da farko, a gaba da bayan crankshaft. 

A cikin labarin, zamuyi la'akari da fasalin fasalin hatimin mai na crankshaft, sanin musabbabin halayensu, da kuma gano yadda za'a maye gurbin wadannan man na man da kanmu.

Bayani da aikin hatimin mai

Don haka, don aiki na yau da kullun na injin mota, ana buƙatar babban inganci da lubrication na sassan shafa. Ɗaya daga cikin manyan abubuwan da ke cikin motar shine crankshaft, duka iyakar abin da ke fitowa waje. An lubricated crankshaft a ƙarƙashin babban matsin lamba, wanda ke nufin cewa ana buƙatar hatimi mai inganci a bangarorin biyu. Waɗannan hatimai suna aiki azaman hatimi. A cikin duka, ana amfani da hatimi guda biyu:

• gaban, yawanci karami, ana sanya shi a bayan ƙwanƙwasa ƙwanƙwasa a cikin murfin gaban. Za a iya haɗa shi cikin famfon mai;
• na baya yawanci babba ne. Kasancewa a bayan jirgi, wani lokacin yakan canza tare da murfin aluminum, yana ba da matsi ba tare da barin mai a cikin gidan kama ko gearbox ba.

Abin da yake kama da inda aka girka

Fluoroelastomer ko silicone ana amfani dashi azaman kayan ƙira. A da, ana amfani da kwalin kwandon shaƙewa azaman hatimin mai na baya, amma yana da ikon wuce mai lokacin da injin ke aiki da sauri. Siffar tambarin mai mai zagaye ne, kuma kayan da ke sama waɗanda aka yi su daga ciki suna ba da damar rasa haɓɓakawa a cikin kewayon zazzabi mai faɗi. Girman glanden dole ne ya zama ya dace sosai da saman kowane bangare. 

Hakanan, ana iya sanya hatimin mai a kan kayan kwalliya idan an tuka su da abin ɗamara. Yawanci hatimin man camshaft daidai yake da na farkon man ɗin crankshaft.

Yana da mahimmanci, yayin siyan sabon hatimin mai, don zaɓar masana'antun inganci, da kuma kiyaye waɗannan maki:

• kasancewar maɓuɓɓugar ruwa a cikin glandar;
• ya kamata a sami ƙira a gefen, ana kiransu “narkar da mai”, kuma yana kiyaye daga ƙurar da ke kan gefen sosai;
• Dole ne a lura da ƙididdigar gland a cikin juyawar shaft.

 Crankshaft man hatimi ya lalace: abubuwan da ke haifar da sakamako

A cewar ka'idojin, matsakaicin tsawon sabis na hatimin mai yana da kusan kilomita 100, idan aka yi amfani da motar a yanayin da aka saba, kuma ana kula da shi a kan lokaci, kuma injin ba ya aiki a cikin matsanancin zafi.

Menene dalilan gazawar hatimin mai:

• lalacewar hatimin mai saboda canjin mai na lokaci ko shigowar ƙananan ƙananan ƙwayoyin da ake jigilar su da mai, ya lalata saman hatimin mai;
• zafin rana na injiniya ko dogon aikinsa a mahimmancin zafin jiki. Anan akwatin cushewa ya fara zama a hankali a hankali "tan", kuma idan zafin jiki ya sauka, sai ya rasa kuzari, mai ya fara zuba;
• samfurin inganci mara kyau. Wannan sau da yawa saboda ingancin kayan, amfani da raunin raunin ruwa, ƙarancin amfani da kyau da kuma gurɓataccen fasalin man fetur kanta, wanda baya zagaye flakin crankshaft;
• saboda karuwar matsin lamba a cikin tsarin lubrication (mai yawa gass na crankcase), da kuma matakin mai mai yawa da yawa yana matse tambarin mai, tunda man ba shi da inda za shi, kuma matsin yana fitowa a wuri mafi hadari, amma idan hatiman mai suna da inganci, to man zai iya fita daga gaskets ;
• kuskuren shigar da sabon hatimin mai. Kafin shigarwa, dole ne ka karanta umarnin shigarwa domin cikin gland din bai ciji ba. A hanyar, akwai alamun man Teflon, shigarwa wanda ke buƙatar ƙwarewar da ake buƙata da kayan aikin musamman, amma ƙari akan hakan daga baya.

Babban sakamakon crankshaft mai hatimin lalacewa shine raguwar matakin mai. Idan hatimin mai kawai gumi ne, to, zaku iya sarrafa motar na ɗan lokaci, in ba haka ba dole ne a maye gurbin hatimin mai gaggawa. Bugu da ƙari, cewa rashin isasshen man fetur yana cutar da shi kai tsaye kuma yana rage rayuwar abubuwan shafa na sassa, mai yana lalata sashin injin, yana lalata sabis da bel na lokaci, wanda zai haifar da mummunan sakamako.

Ganewar asali daga kwararar mai ta ramin man crankshaft

Wasu injina tuni daga nisan kilomita na farko suna cin wani adadin mai, wanda dokokin masana'antun suka saita. Bayan kilomita 100, yawan mai ya tashi zuwa lita 000 a cikin kilomita 1, wanda shi ma ana daukar sa a matsayin al'ada. 

Da farko dai, ana gudanar da bincike ne ta hanyar duban injuna domin ya zube, idan matakin mai ya fado da zato sosai. Lokacin da injin yana gudana, muna kula da launi na shaye-shaye, idan ba launin toka ba ne, kashe injin ɗin, buɗe hular radiator ko tankin faɗaɗa, sannan ɗauki coolant don samfur. Idan maganin daskare yana wari kamar mai, kuma emulsion mai shima yana nan, gas ɗin kan silinda zai iya ƙarewa.

Idan babu wasu dalilai da ake iya gani na amfani da mai, muna ɗaga motar a kan ɗagawa kuma mu bincika ta gaba da baya. Zubewar mai daga karkashin hatimin yana sanya kansa jin yoyo daga murfin gaba, da kuma kasancewar tabon mai a sassan da aka dakatar, tun lokacin da man ya fantsama lokacin da ya hau kan bel. Lalacewar hatimin mai na baya ya fi wahalar ganowa, tunda hatimin shigar da akwatin mai yana nan a wannan yanki. Kuna iya tantance kwararar wani mashin ɗin ta hanyar wari, saboda inji da man watsawa sun bambanta sosai da wari (na biyu yana wari kamar tafarnuwa).

Idan ba zai yuwu a tantance yanki na kwararar ba, wanke injin din, tuki wani adadi mai yawan kilomita sannan a sake duba bangaren a yankin masu hatimin.

Sauya hatimin mai na gaba + Bidiyo

Don maye gurbin hatimin mai na crankshaft na gaba, dole ne ka tanadi mafi ƙarancin kayan aiki, rag mai tsabta, mai ƙyama (zaka iya amfani da mai tsabtace carburetor). Dogaro da ƙirar ƙirar injin, aikin don maye gurbin hatimin mai na iya bambanta. Misalinmu, bari mu ɗauki matsakaiciyar mota tare da injin wucewa.

Mataki-mataki-mataki don cire hatimin mai na gaba:

• matsar da linzamin na 5 kuma sanya motar a birki na hannu;
• kafin cire ƙafafun dama, ko ɗaga motar a kan dagawa, dole ne ka tambayi mataimaki ya danna birki har sai ka tsinke ƙwanƙolin ƙwanƙolin ƙwanƙolin ƙwanƙolin;
• cire dabaran ta hanyar buɗe hanyar zuwa pulley;
• ya danganta da nau'in tashin hankali na bel ɗin sabis, ya zama dole a cire shi (ta hanyar jan kunnen ko kwance layin janareta);
• idan injin yana da dutsen belin lokaci, kana buƙatar wargaza kayan crankshaft;
• a kan yatsan ƙwanƙwasa, a matsayin mai ƙa'ida, akwai maɓalli, wanda zai tsoma baki tare da rarrabawa da aikin taro. Zaku iya cire shi ta amfani da tilas ko fareti;
• yanzu, lokacin da hatimin mai ke gabanka, ya zama dole a tsabtace farfajiyar crankshaft tare da feshi na musamman, sannan kuma a tsabtace duk wuraren datti da mai mai da rag;
• ta amfani da mashi, zamu kwashe hatimin mai kuma cire shi, bayan haka mu kula da wurin zama tare da mai fesa feshi;
• idan muna da hatimin mai na yau da kullun, to, zamu shafawa wurin aiki da man injin, sa'annan mu sanya sabon hatimin mai, kuma za'a iya amfani da tsohuwar hatimin mai a matsayin keji;
• sabon sashi dole ne ya dace sosai, tabbatar da tabbatar cewa ɓangaren ciki (gefen) bai nade ba, bayan sanyawa man ɗin mai bai kamata ya fita sama da jirgin murfin motar ba;
• to ana aiwatar da taron a cikin tsari na baya, bayan haka ya zama dole a kawo matakin mai zuwa na al'ada sannan a fara injin, bayan ɗan lokaci a duba matsi.

Don cikakkiyar fahimta game da aikin maye gurbin hatimin mai na crankshaft na gaba, Ina ba da shawarar ku karanta bidiyo mai zuwa.

maye gurbin crankshaft man hatimin vaz 8kl

Sauya hatimin man na baya + Bidiyo

Ba kamar maye gurbin gaba ba, maye gurbin hatimin mai na baya yana da ƙarin aiki mai ƙarfi, saboda wannan yana buƙatar tarwatsa akwatin gear, clutch da tashi sama. Ina ba da shawara mai ƙarfi da ku nan da nan siyan hatimin shigarwar shaft man don a gaba ba lallai ne ku cire akwatin gear musamman don maye gurbinsa ba. 

Tsarin maye gurbin babban hatimin mai na crankshaft:

• Mun shirya kayan aikin da ake buƙata, zubar da mummunan tashar daga baturin kuma mun shirya don rarraba gearbox;
• cire haɗin hanyar zaɓin gear ko silinda mai aiki daga gidan gearbox;
• mun tsinke kwayar dabaran, mun daga motar a kan dagawa, ko kuma idan kana cikin rami, to sai mu daga bangaren da ya kamata sannan mu cire kewayen hagu na gaba;
• kwance kullin cibiya, sannan cire haɗin haɗin ƙwallon maƙullin, sa'annan ka motsa maƙarƙashiya zuwa gefe don sakin sandar ƙafafu daga gare ta;
• rarrabawar semiaxis ana aiwatar dashi ta hanyar cire shi daga cikin gearbox;
• Tabbatar da cewa duk masu auna sigina da sauran abubuwan haɗe haɗi daga watsawa, ci gaba don cire haɗin watsa daga sashin wutar;
• bayan da muka kwance duk makullin gearbox daga injin (aƙalla 10), ta amfani da dutsen, za mu ɓoye gearbox ɗin kuma mu cire shi daga wurin zama. Wannan na buƙatar aƙalla mataimaki ɗaya, saboda nauyin gearbox aƙalla kilogram 30 ne;
• bayan cire gearbox, mayar da hankali kan yanayin hatimin mai mai shaft, kuma zai fi dacewa maye gurbinsa, koda kuwa babu alamun hazo, amma nisan motar ya wuce alamar kilomita 100;
• to lallai ya zama dole a cire kwandon da kuma diskin kama, wanda aka haɗe da ƙusoshin 6 zuwa ƙwanƙolin jirgi;
• bayan wargaje kunshin kunshin, kwarjin kwarya ya bayyana a gabanmu, wanda kuma yake hade da flange na crankshaft tare da wasu kusoshi shida masu karfafawa, kuma don kwance su, ya zama dole a gyara kwandon domin kaucewa juyawa;
• ta hanyar kwance keken kwalliyar sai mu sami hatimin man baya na crankshaft. Dogaro da ƙirar, an canza shi azaman ɓangaren keɓaɓɓen kayan maye, ko kuma tare da ƙyallen ƙarfe. Muna yin irin waɗannan matakan don tsaftace wurin zama, cire hatimin mai kamar yadda yake na gaba sannan kuma girka sabon a haka;
• Ana aiwatar da ƙarin shigarwa a cikin tsari na baya.

Don ƙarin fahimtar maye gurbin hatimin mai na baya na crankshaft, duba wannan bidiyon.

Maye gurbin hatimin mai na baya na ƙirar injin VAZ-2101-2107.

Siffofin maye gurbin Teflon crankshaft hatimin mai

Bugu da ƙari, na al'ada na fluororubber mai hatimi, akwai analogues, farashin wanda ya wuce sau 1.5-2 - hatimin mai tare da zoben Teflon. Bambancin shigar da irin wannan hatimin mai shi ne cewa an shigar da shi ne kawai a kan wani wuri mai tsabta kuma tare da taimakon mandrel na musamman. Bayan shigarwa, kana buƙatar jira 4 hours, a lokacin da hatimin mai zai "zauna" da kansa, babban abu ba shine juya crankshaft a wannan lokacin ba. 

Yaushe za a canza hatimin mai

Ana maye gurbin hatimin mai a cikin abubuwa uku:

• tsananin zafi fiye da kima na motar;
• yawaitar kwararar mai da kuma ƙarƙashin rufin mai;
• yayin sake fasalin injin konewa na ciki.

Yana da mahimmanci a sayi hatimin mai mai inganci. Da yake magana game da hatimin mai na gaba, ana iya amfani da analogs kamar Elring da Glaser, domin a wanne hali ya fi sauƙi maye gurbinsu. Hatimin man na baya, yana da kyau a sayi kayan da aka samar na asali, duk da haka, farashin mai yawa yana sa masu motoci su daina zaɓar kwatancen analog, wanda nan bada jimawa ba zai koma maye gurbin wanda ba a tsara ba na babban hatimin mai.

 Bari mu ƙayyade sakamakon

Don haka, hatimin mai crankshaft sune sassa masu mahimmanci waɗanda ke tabbatar da tsantsar tsarin lubrication kuma suna kare flanges crankshaft daga ƙura. Yana da matukar mahimmanci kada a rasa lokacin zubar mai daga ƙarƙashin hatimin don kada injin ɗin ya lalace daga rashin isassun matakan mai. Ya isa duba injin gani don samun mai da ruwan sanyi a kowane MOT don kasancewa da tabbaci koyaushe a cikin motar ku. 

Tambayoyi & Amsa:

Yaushe canza hatimin crankshaft mai na gaba? Matsakaicin rayuwar aiki na hatimin crankshaft mai yana kusan shekaru uku, ko lokacin da nisan miloli na mota ya kai kilomita dubu 100-150. Idan ba su zubo ba, har yanzu ana ba da shawarar maye gurbin su.

Ina hatimin crankshaft mai na gaba? Wannan hatimin crankshaft ne wanda ke hana zubar mai. Hatimin mai na gaba yana kan ƙwanƙwasa ƙwanƙwasa a gefen janareta da bel na lokaci.

Me yasa hatimin mai na gaban crankshaft ke zubewa? Da farko saboda lalacewa da tsagewar yanayi. Tsawon lokacin hutu, musamman a waje a cikin hunturu. Lalacewar masana'anta. Shigar da ba daidai ba. Matsin iskar gas mai ɗaukar nauyi.