Yadda ake daidaita lokaci akan mota

Lokacin ƙonewa yana nufin tsarin kunnawa wanda ke ba da damar walƙiya don kunna wuta ko kunna ƴan digiri kafin piston ya kai ga babban mataccen cibiyar (TDC) akan bugun bugun jini. A wasu kalmomi, lokacin kunna wuta shine daidaitawar tartsatsin da tartsatsin wuta ke samarwa a cikin tsarin kunnawa.

Yayin da fistan ke motsawa zuwa saman ɗakin konewa, bawuloli suna rufewa kuma suna ba da damar injin ɗin don damfara cakuda iska da mai a cikin ɗakin konewar. Ayyukan tsarin kunnawa shine kunna wannan cakuda iska / man fetur don samar da fashewa mai sarrafawa wanda zai ba da damar injin ya juya da kuma samar da makamashi wanda za'a iya amfani dashi don motsa motarka. Ana auna lokacin kunna wuta ko walƙiya a cikin digiri wanda crankshaft ke juyawa don kawo fistan zuwa saman ɗakin konewa, ko TDC.

Idan tartsatsin ya faru kafin fistan ya isa saman ɗakin konewa, wanda kuma aka sani da ci gaban lokaci, fashewar da aka sarrafa zai yi aiki da jujjuyawar injin kuma ya haifar da ƙarancin ƙarfi. Idan tartsatsin wuta ya faru bayan piston ya fara komawa cikin silinda, wanda ake kira lag lokaci, matsa lamba da aka haifar ta hanyar matsawa cakuda iska da man fetur ya ɓace kuma ya haifar da ƙaramar fashewa, yana hana injin haɓaka mafi girman iko.

Kyakkyawan alamar cewa lokacin ƙonewa na iya buƙatar daidaitawa shine idan injin yana aiki sosai (iska mai yawa, rashin isasshen man fetur a cikin cakuda man fetur) ko kuma mai arziki (mai yawa mai yawa kuma rashin isasshen iska a cikin man fetur). Waɗannan sharuɗɗan wasu lokuta suna nunawa azaman kickback na injin ko ping lokacin haɓakawa.

Daidaitaccen lokacin kunna wuta zai ba da damar injin ya samar da matsakaicin ƙarfi yadda ya kamata. Adadin digiri ya bambanta ta wurin masana'anta, don haka yana da kyau a bincika takamaiman littafin sabis na abin hawa don tantance ainihin matakin da za a saita lokacin kunnawa zuwa.

Sashe na 1 na 3: Ƙayyade Tamburan Lokaci

Abubuwan da ake bukata

• maƙarƙashiya na girman da ya dace
• Littattafan Gyarawa Kyauta Autozone yana ba da littattafan gyara kan layi kyauta don takamaiman kera da samfuran Autozone.
• Littattafan gyara (na zaɓi) Chilton

Tsofaffin motoci tare da tsarin kunna wutar rarrabawa suna da ikon daidaita lokacin kunna wutar. A matsayinka na yau da kullum, lokaci yana buƙatar daidaitawa saboda lalacewa na yau da kullum da sassa masu motsi a cikin tsarin kunnawa. Digiri ɗaya na iya zama ba za a iya gane shi ba a zaman banza, amma a mafi girman gudu yana iya sa na'urar kunna wuta ta mota nan da nan ko ba dade, rage aikin injin gabaɗaya.

Idan abin hawan ku yana amfani da tsarin kunna wuta mara rarraba, kamar na'urar-kan-toshe, ba za a iya daidaita lokacin ba saboda kwamfutar tana yin waɗannan canje-canje akan tashi lokacin da ake buƙata.

Mataki 1 Gano wurin ƙwanƙwasa ƙwanƙwasa.. Tare da kashe ingin, buɗe murfin kuma gano wurin ƙwanƙwasa ƙugiya.

Za a sami alama a kan ƙwanƙwasa crankshaft tare da alamar digiri a kan murfin lokaci.

• Ayyuka: Ana iya lura da waɗannan alamomi tare da injin da ke gudana ta hanyar haskaka wannan yanki tare da fitilar lokaci don dubawa da daidaita lokacin kunnawa.

Mataki 2: Nemo lamba ɗaya. Yawancin alamun lokaci zasu sami shirye-shiryen bidiyo uku.

Makullin tabbatacce/ja da korau/baƙaƙe suna haɗawa da baturin motar, kuma matsi na uku, wanda kuma aka sani da maɗaɗɗen inductive, yana manne wayar tartsatsin silinda lamba ɗaya.

• AyyukaA: Idan baku san wane silinda yake #1 ba, koma zuwa bayanan gyara masana'anta don bayanin odar wuta.

Mataki 3: Sake daidaita goro akan mai rarrabawa.. Idan ana buƙatar daidaita lokacin kunna wuta, sassauta wannan goro kawai don ba da damar mai rarrabawa don juyawa don ci gaba ko jinkirta lokacin kunna wuta.

Sashe na 2 na 3: Ƙayyade Buƙatun Gyara

Abubuwan da ake bukata

• maƙarƙashiya na girman da ya dace
• Littattafan Gyarawa Kyauta Autozone yana ba da littattafan gyara kan layi kyauta don takamaiman kera da samfuran Autozone.
• Littattafan gyara (na zaɓi) Chilton
• Haske mai nuna alama

Mataki 1: Dumi injin. Fara injin kuma bar shi ya dumama zuwa zafin aiki na digiri 195.

Ana nuna wannan ta hanyar karatun kibiya na ma'aunin zafin jiki a tsakiyar ma'aunin.

Mataki 2: Haɗa alamar lokaci. Yanzu ne lokacin da za a haɗa hasken lokacin zuwa baturi da filogi mai lamba ɗaya da haskaka hasken lokacin akan ƙugiya mai ɗaukar hoto.

Kwatanta karatunku tare da ƙayyadaddun masana'anta a cikin littafin gyaran masana'anta. Idan lokacin bai cika ƙayyadaddun bayanai ba, kuna buƙatar daidaita shi don ci gaba da gudanar da injin ɗin a mafi girman aiki.

• Ayyuka: Idan motarka tana da sanye take da injin ci gaba, cire haɗin layin injin da ke zuwa ga mai rarrabawa kuma toshe layin tare da ƙaramar ƙusa don hana ƙyallen injin wuta yayin daidaitawar gaba.

Sashe na 3 na 3: Yin gyare-gyare

Abubuwan da ake bukata

• maƙarƙashiya na girman da ya dace
• Littattafan Gyarawa Kyauta Autozone yana ba da littattafan gyara kan layi kyauta don takamaiman kera da samfuran Autozone.
• Littattafan gyara (na zaɓi) Chilton
• Haske mai nuna alama

Mataki 1: Sake daidaita goro ko kusoshi. Koma zuwa goro ko kullu akan mai rarrabawa kuma a sassauta kawai don ƙyale mai rarrabawa ya juya.

• AyyukaA: Wasu motocin suna buƙatar jumper akan haɗin wutar lantarki don gajere ko cire haɗin haɗin da kwamfutar abin hawa don a iya daidaita lokacin. Idan motarka tana da kwamfuta, rashin bin wannan matakin zai hana kwamfutar karɓar saitunan.

Mataki 2: Juya mai rarrabawa. Yin amfani da alamar lokaci don duba alamun lokaci akan crank da murfin lokaci, kunna mai rarraba don yin gyare-gyaren da suka dace.

• Tsanaki: Kowace abin hawa na iya bambanta, amma babban ƙa'idar babban yatsan yatsa shine cewa idan rotor a cikin na'urar yana jujjuya agogon agogo yayin da injin ke gudana, jujjuya mai rarraba a kan agogo zai canza lokacin kunnawa. Juyawa mai rarrabawa agogon hannu zai sami akasin tasiri kuma yana jinkirta lokacin kunnawa. Tare da tabbataccen hannun safofin hannu, juya mai rarrabawa kaɗan zuwa kowane bangare har sai lokacin ya kasance cikin ƙayyadaddun ƙirar masana'anta.

Mataki na 3: Matsa goro mai daidaitawa. Bayan shigar da lokacin aiki ba aiki, ƙara madaidaicin goro akan mai rarrabawa.

Tambayi aboki ya taka fedar gas. Wannan ya haɗa da sauri datse fedal ɗin totur don ƙara saurin injin sannan a sake shi, barin injin ɗin ya koma aiki, ta haka yana tabbatar da cewa an saita lokacin zuwa takamaiman bayanai.

Taya murna! Kun saita lokacin kunnawar ku. A wasu lokuta, lokacin kunnawa zai kasance daga ƙayyadaddun bayanai saboda shimfiɗaɗɗen sarkar ko bel ɗin lokaci. Idan, bayan saita lokaci, motar ta nuna alamun rashin daidaituwa, ana ba da shawarar tuntuɓar mashin ɗin da aka tabbatar, alal misali, daga AvtoTachki, don ƙarin ganewar asali. Waɗannan ƙwararrun ƙwararrun ƙwararrun za su iya saita maka lokacin kunna wuta kuma su tabbatar da filogin ku na zamani.