【汽車電(dian)氣設備(bei)維(wei)修】電(dian)氣設備(bei)故(gu)障(zhang)原(yuan)因 汽車電(dian)氣設備(bei)常(chang)見故(gu)障(zhang)與(yu)維(wei)修
汽車電氣設備故障原因
一、零件質量與(yu)磨損的差異(yi)
汽車(che)(che)中零部(bu)件(jian)(jian)較多(duo),各(ge)個零件(jian)(jian)在原料、廠商、年(nian)限方面均(jun)有所差異,所以(yi)運行中,各(ge)個零件(jian)(jian)的(de)磨損程度也有區(qu)別。部(bu)分零件(jian)(jian)使用頻率高,磨損嚴重(zhong),比如發(fa)動機、離合器等(deng),因頻繁受到(dao)打火或(huo)摩(mo)擦(ca)等(deng)影響,其壽命短于其它(ta)部(bu)件(jian)(jian)。所以(yi),一定要(yao)經常性地檢查與更換上述部(bu)件(jian)(jian)。要(yao)是(shi)部(bu)件(jian)(jian)在受損嚴重(zhong)的(de)條(tiao)件(jian)(jian)下仍投(tou)入使用,那么汽車(che)(che)運行的(de)時候,它(ta)們(men)或(huo)許將(jiang)停止工作甚(shen)至起火爆炸等(deng),安全(quan)(quan)隱患非常大。另外(wai),要(yao)是(shi)生產組(zu)裝汽車(che)(che)的(de)時候其中的(de)零件(jian)(jian)不合格同樣將(jiang)造成安全(quan)(quan)隱患。
二、潤(run)滑油、燃油質量
兩者的質量關系著汽車使用壽(shou)命與(yu)。其(qi)中,存(cun)在(zai)一些駕駛員為(wei)節(jie)省保養費或(huo)燃料,有時候(hou)選擇質量不好(hao)的產品,從而對(dui)部(bu)分零(ling)部(bu)件產生損害。
三、司機(ji)技術(shu)與使(shi)用環境
駕駛汽車(che)必須按照相應的(de)原則(ze)和方法。使用科學(xue),才能保證汽車(che)運(yun)行狀態(tai)良好(hao),延長其使用壽命(ming)(ming)。相反,要是駕駛員違反要求進(jin)行操作,其磨(mo)損(sun)(sun)率(lv)會(hui)明顯提(ti)高,最終導(dao)致其壽命(ming)(ming)下降。另外,當汽車(che)運(yun)行于惡劣環境中時(shi),例如路面不平(ping)、惡劣天(tian)氣等,磨(mo)損(sun)(sun)也會(hui)明顯增加,同時(shi)故障(zhang)率(lv)提(ti)升(sheng)。
四、維(wei)(wei)修(xiu)(xiu)技(ji)術(shu)維(wei)(wei)修(xiu)(xiu)是解決汽(qi)(qi)車(che)故障(zhang)的(de)(de)一個方法,但是,因(yin)有些維(wei)(wei)修(xiu)(xiu)人員(yuan)技(ji)術(shu)功底差,或(huo)者維(wei)(wei)修(xiu)(xiu)的(de)(de)時候并未(wei)根據規程(cheng)進行(xing),這樣(yang)能(neng)夠對汽(qi)(qi)車(che)產生(sheng)二次(ci)傷害。此外(wai),定期維(wei)(wei)修(xiu)(xiu)時,因(yin)維(wei)(wei)修(xiu)(xiu)人員(yuan)的(de)(de)工作(zuo)態度不認真等,未(wei)及(ji)時將許多問(wen)題排除,這樣(yang)后期會對司(si)機產生(sheng)威脅。
汽車電氣設備常見故障與維修
一、發動機故障及(ji)維(wei)修
當汽(qi)車打火(huo)開(kai)關(guan)(guan)轉(zhuan)動(dong)到開(kai)的(de)時候,發(fa)(fa)(fa)動(dong)機(ji)(ji)如果沒(mei)(mei)(mei)(mei)反應,可(ke)以從(cong)以下幾(ji)點(dian)(dian)分析(xi)。第(di)(di)(di)一(yi),啟(qi)(qi)動(dong)系(xi)統出(chu)現(xian)問(wen)(wen)題(ti)(ti),進(jin)而(er)發(fa)(fa)(fa)動(dong)機(ji)(ji)轉(zhuan)動(dong)不了,也有(you)(you)可(ke)能(neng)(neng)是(shi)(shi)(shi)(shi)(shi)蓄(xu)電(dian)池(chi)存(cun)(cun)電(dian)不足(zu),再(zai)就是(shi)(shi)(shi)(shi)(shi)考慮點(dian)(dian)火(huo)開(kai)關(guan)(guan)是(shi)(shi)(shi)(shi)(shi)否(fou)出(chu)問(wen)(wen)題(ti)(ti),線(xian)路是(shi)(shi)(shi)(shi)(shi)否(fou)接(jie)觸不好或者(zhe)(zhe)是(shi)(shi)(shi)(shi)(shi)有(you)(you)沒(mei)(mei)(mei)(mei)有(you)(you)發(fa)(fa)(fa)生斷路的(de)情況(kuang)(kuang)。第(di)(di)(di)二,點(dian)(dian)火(huo)系(xi)統出(chu)現(xian)問(wen)(wen)題(ti)(ti),看(kan)(kan)點(dian)(dian)火(huo)線(xian)圈工作狀態是(shi)(shi)(shi)(shi)(shi)否(fou)正(zheng)(zheng)常(chang)(chang),點(dian)(dian)火(huo)器有(you)(you)沒(mei)(mei)(mei)(mei)有(you)(you)故障發(fa)(fa)(fa)生。第(di)(di)(di)三,燃油(you)(you)(you)(you)(you)(you)噴(pen)射(she)系(xi)統出(chu)現(xian)問(wen)(wen)題(ti)(ti),可(ke)能(neng)(neng)存(cun)(cun)在(zai)燃油(you)(you)(you)(you)(you)(you)管(guan)變形(xing)的(de)情況(kuang)(kuang)發(fa)(fa)(fa)生,或者(zhe)(zhe)是(shi)(shi)(shi)(shi)(shi)油(you)(you)(you)(you)(you)(you)箱(xiang)(xiang)內還有(you)(you)沒(mei)(mei)(mei)(mei)有(you)(you)油(you)(you)(you)(you)(you)(you),燃油(you)(you)(you)(you)(you)(you)壓力調(diao)節器工作是(shi)(shi)(shi)(shi)(shi)否(fou)正(zheng)(zheng)常(chang)(chang)等。第(di)(di)(di)四(si),進(jin)氣(qi)系(xi)統出(chu)現(xian)問(wen)(wen)題(ti)(ti),需要(yao)(yao)(yao)查看(kan)(kan)空(kong)氣(qi)流量計有(you)(you)沒(mei)(mei)(mei)(mei)有(you)(you)壞掉,怠速(su)控(kong)制閥(fa)(fa)控(kong)制線(xian)路正(zheng)(zheng)常(chang)(chang)與否(fou),或者(zhe)(zhe)是(shi)(shi)(shi)(shi)(shi)怠速(su)控(kong)制閥(fa)(fa)空(kong)氣(qi)管(guan)有(you)(you)沒(mei)(mei)(mei)(mei)有(you)(you)破裂。維修方法:第(di)(di)(di)一(yi),把啟(qi)(qi)動(dong)機(ji)(ji)打開(kai),要(yao)(yao)(yao)是(shi)(shi)(shi)(shi)(shi)發(fa)(fa)(fa)動(dong)機(ji)(ji)和(he)啟(qi)(qi)動(dong)機(ji)(ji)都不能(neng)(neng)像正(zheng)(zheng)常(chang)(chang)狀態一(yi)樣運(yun)轉(zhuan),那就需要(yao)(yao)(yao)檢查汽(qi)車的(de)啟(qi)(qi)動(dong)系(xi)統,檢查啟(qi)(qi)動(dong)機(ji)(ji)的(de)線(xian)路是(shi)(shi)(shi)(shi)(shi)否(fou)正(zheng)(zheng)常(chang)(chang),點(dian)(dian)火(huo)開(kai)關(guan)(guan)和(he)保險絲(si)有(you)(you)沒(mei)(mei)(mei)(mei)有(you)(you)問(wen)(wen)題(ti)(ti),蓄(xu)電(dian)池(chi)存(cun)(cun)電(dian)是(shi)(shi)(shi)(shi)(shi)否(fou)足(zu)夠(gou)(gou)。第(di)(di)(di)二,把油(you)(you)(you)(you)(you)(you)門踩到一(yi)半,接(jie)著(zhu)再(zai)打啟(qi)(qi)動(dong)機(ji)(ji),要(yao)(yao)(yao)是(shi)(shi)(shi)(shi)(shi)此時能(neng)(neng)夠(gou)(gou)發(fa)(fa)(fa)動(dong)啟(qi)(qi)動(dong)機(ji)(ji),那就需要(yao)(yao)(yao)從(cong)怠速(su)控(kong)制閥(fa)(fa)線(xian)路上找原因,也有(you)(you)可(ke)能(neng)(neng)存(cun)(cun)在(zai)進(jin)氣(qi)管(guan)是(shi)(shi)(shi)(shi)(shi)否(fou)漏(lou)(lou)氣(qi)的(de)情況(kuang)(kuang)出(chu)現(xian)。第(di)(di)(di)三,檢查外(wai)觀,例如查看(kan)(kan)進(jin)氣(qi)管(guan)路有(you)(you)沒(mei)(mei)(mei)(mei)有(you)(you)漏(lou)(lou)氣(qi),各個軟管(guan)連接(jie)是(shi)(shi)(shi)(shi)(shi)不是(shi)(shi)(shi)(shi)(shi)正(zheng)(zheng)常(chang)(chang),另(ling)外(wai),曲軸箱(xiang)(xiang)通風裝置軟管(guan)破裂與否(fou),有(you)(you)沒(mei)(mei)(mei)(mei)有(you)(you)漏(lou)(lou)氣(qi)。第(di)(di)(di)四(si),查看(kan)(kan)供油(you)(you)(you)(you)(you)(you)系(xi)統和(he)高(gao)壓火(huo)花是(shi)(shi)(shi)(shi)(shi)否(fou)正(zheng)(zheng)常(chang)(chang),如果油(you)(you)(you)(you)(you)(you)箱(xiang)(xiang)有(you)(you)油(you)(you)(you)(you)(you)(you),并且存(cun)(cun)油(you)(you)(you)(you)(you)(you)足(zu)夠(gou)(gou),看(kan)(kan)看(kan)(kan)燃油(you)(you)(you)(you)(you)(you)管(guan)供油(you)(you)(you)(you)(you)(you)壓力正(zheng)(zheng)常(chang)(chang)與否(fou)。
二、汽車行駛有異味
汽車電氣設備故障(zhang)不(bu)同,所表現出來的氣味(wei)也不(bu)一樣,可以通過散發(fa)出來的氣味(wei)來辨別故障(zhang)發(fa)生(sheng)(sheng)在哪里(li)。打個比方,如果(guo)汽車行駛中有(you)燒焦的味(wei)道出現,就有(you)可能是(shi)汽車電線(xian)(xian)發(fa)生(sheng)(sheng)了短(duan)路,如果(guo)能夠聞(wen)到(dao)明顯的汽油(you)味(wei),則有(you)可能是(shi)油(you)箱漏(lou)油(you),或(huo)者是(shi)油(you)管漏(lou)油(you)。維修(xiu)方法(fa):汽車電路發(fa)生(sheng)(sheng)問題,務必第一時間關(guan)掉(diao)電源,然(ran)后查找線(xian)(xian)路具體在哪里(li)發(fa)生(sheng)(sheng)故障(zhang)。如果(guo)聞(wen)到(dao)汽油(you)味(wei),就一定(ding)要查看油(you)箱有(you)沒有(you)破(po)損,漏(lou)油(you)管是(shi)否漏(lou)油(you),切不(bu)可因為簡(jian)單的氣味(wei)而忽(hu)視(shi)這些問題,一定(ding)要做(zuo)到(dao)防患于未然(ran)。
三、汽車運行中有異(yi)響
汽(qi)車(che)正(zheng)常運(yun)行(xing)是不(bu)存在(zai)雜音(yin)的(de)(de)(de)(de),如(ru)(ru)果有異(yi)響,同(tong)時其響聲(sheng)沉悶,而且振(zhen)動(dong)(dong)感比較強的(de)(de)(de)(de)話(hua),那(nei)就(jiu)說明汽(qi)車(che)出(chu)(chu)現(xian)嚴重(zhong)問題了。舉個例子,汽(qi)車(che)發動(dong)(dong)機正(zheng)常轉動(dong)(dong)若機油缺(que)少了,那(nei)就(jiu)會(hui)使摩(mo)擦加(jia)大,聲(sheng)音(yin)也(ye)就(jiu)加(jia)大,也(ye)會(hui)有敲砧板的(de)(de)(de)(de)聲(sheng)音(yin)出(chu)(chu)現(xian)。如(ru)(ru)果汽(qi)車(che)在(zai)行(xing)駛中(zhong)拐(guai)彎出(chu)(chu)現(xian)異(yi)響,最可能(neng)的(de)(de)(de)(de)原因就(jiu)是汽(qi)車(che)差速(su)器中(zhong)的(de)(de)(de)(de)行(xing)星齒(chi)輪發生(sheng)故障,再有,汽(qi)車(che)發動(dong)(dong)機如(ru)(ru)果缺(que)缸工作,那(nei)么排氣管(guan)就(jiu)有可能(neng)發出(chu)(chu)突(tu)突(tu)的(de)(de)(de)(de)聲(sheng)響,如(ru)(ru)果在(zai)行(xing)駛過程中(zhong),離(li)合器分(fen)離(li)周缺(que)油,那(nei)么駕駛員在(zai)踩(cai)離(li)合器的(de)(de)(de)(de)時候就(jiu)會(hui)有沙沙的(de)(de)(de)(de)聲(sheng)響。由以(yi)上分(fen)析可以(yi)得出(chu)(chu),汽(qi)車(che)運(yun)行(xing)中(zhong)所發出(chu)(chu)的(de)(de)(de)(de)聲(sheng)響不(bu)同(tong),我們(men)就(jiu)可以(yi)判斷故障發生(sheng)在(zai)哪里。
四、汽車空調(diao)發生問題
汽車空調對汽車駕駛員與乘坐的人來說意義重大,其正常工作就可以做到冬暖夏涼,若果故障,就發揮不了其作用。汽車空調發生故障一般多發生在空調高低壓管上,檢查故障前,我們需要做的就是把空調瘋了和制冷都調到最大處,然后開開A/C開關,把引擎蓋打開,最主(zhu)要是(shi)查看(kan)壓(ya)(ya)縮(suo)機(ji)和(he)電(dian)子扇是(shi)否(fou)(fou)正常(chang)工(gong)作,倘(tang)若壓(ya)(ya)縮(suo)機(ji)出(chu)(chu)現(xian)問題,我們要做的就(jiu)是(shi)把高壓(ya)(ya)排(pai)氣頂針(zhen)壓(ya)(ya)住,此時再(zai)看(kan)看(kan)冷(leng)(leng)(leng)媒(mei)是(shi)否(fou)(fou)溢出(chu)(chu),如果有冷(leng)(leng)(leng)媒(mei)溢出(chu)(chu),而且感覺比(bi)較(jiao)強的話,那就(jiu)是(shi)汽車空(kong)調的電(dian)路系(xi)統(tong)出(chu)(chu)現(xian)故障。一(yi)般空(kong)調制冷(leng)(leng)(leng)系(xi)統(tong)工(gong)作正常(chang)的話,高壓(ya)(ya)管的溫度(du)(du)會維(wei)持在(zai)五(wu)十度(du)(du)到六十度(du)(du)之間,而低(di)壓(ya)(ya)管的溫度(du)(du)會維(wei)持在(zai)五(wu)度(du)(du)到六度(du)(du)之間,具體措施(shi)就(jiu)是(shi)用(yong)手進行感應,以此來(lai)差看(kan)高低(di)壓(ya)(ya)管哪里出(chu)(chu)現(xian)毛病。