【汽車電氣(qi)(qi)設(she)備維修】電氣(qi)(qi)設(she)備故(gu)障(zhang)原因 汽車電氣(qi)(qi)設(she)備常見故(gu)障(zhang)與(yu)維修
汽車電氣設備故障原因
一、零件質(zhi)量與磨損的差異
汽車(che)中(zhong)零(ling)部件(jian)較多,各個零(ling)件(jian)在(zai)原料(liao)、廠商、年限方面均(jun)有所差異,所以(yi)運行(xing)中(zhong),各個零(ling)件(jian)的磨損(sun)程度也(ye)有區別。部分零(ling)件(jian)使用(yong)頻率高,磨損(sun)嚴重,比如(ru)發(fa)動機、離合器等(deng),因頻繁受到(dao)打火或摩擦等(deng)影(ying)響,其壽命短于其它(ta)部件(jian)。所以(yi),一定要經常性地檢查(cha)與(yu)更換上(shang)述部件(jian)。要是部件(jian)在(zai)受損(sun)嚴重的條(tiao)件(jian)下(xia)仍投入使用(yong),那(nei)么汽車(che)運行(xing)的時(shi)候(hou),它(ta)們或許將停止工作甚至起火爆炸等(deng),安(an)(an)全隱(yin)患非常大。另外,要是生(sheng)產組裝汽車(che)的時(shi)候(hou)其中(zhong)的零(ling)件(jian)不合格(ge)同樣將造成安(an)(an)全隱(yin)患。
二、潤滑油(you)、燃油(you)質量(liang)
兩者的質量關(guan)系著汽車使(shi)用壽命與。其中,存在一些(xie)駕駛員為節省保養費或燃料,有時候選擇(ze)質量不(bu)好(hao)的產(chan)品,從而對(dui)部分零部件產(chan)生(sheng)損害。
三、司機技術(shu)與使用環(huan)境
駕(jia)駛(shi)(shi)汽(qi)車(che)必(bi)須按照相應(ying)的原則和(he)方法(fa)。使(shi)用(yong)科學,才能保(bao)證汽(qi)車(che)運行狀(zhuang)態良好,延長其(qi)使(shi)用(yong)壽命。相反,要是(shi)駕(jia)駛(shi)(shi)員違反要求進行操作,其(qi)磨損率會明顯(xian)提(ti)(ti)高,最終導致其(qi)壽命下降。另外,當(dang)汽(qi)車(che)運行于惡劣環境(jing)中時(shi),例如路面不(bu)平、惡劣天氣等,磨損也會明顯(xian)增加,同時(shi)故(gu)障率提(ti)(ti)升。
四、維(wei)(wei)(wei)修(xiu)(xiu)(xiu)技術維(wei)(wei)(wei)修(xiu)(xiu)(xiu)是(shi)(shi)解決汽車(che)故障的(de)一個方法,但是(shi)(shi),因有些(xie)維(wei)(wei)(wei)修(xiu)(xiu)(xiu)人員(yuan)技術功(gong)底(di)差,或者維(wei)(wei)(wei)修(xiu)(xiu)(xiu)的(de)時(shi)候并未根據規程進行(xing),這(zhe)(zhe)樣(yang)能夠(gou)對(dui)汽車(che)產生(sheng)二(er)次傷害。此外,定期維(wei)(wei)(wei)修(xiu)(xiu)(xiu)時(shi),因維(wei)(wei)(wei)修(xiu)(xiu)(xiu)人員(yuan)的(de)工(gong)作態度不認(ren)真(zhen)等,未及時(shi)將(jiang)許(xu)多問題(ti)排除,這(zhe)(zhe)樣(yang)后期會對(dui)司機產生(sheng)威脅(xie)。
汽車電氣設備常見故障與維修
一、發動機故障及維修
當汽車打(da)火開(kai)關轉(zhuan)動(dong)(dong)到開(kai)的時(shi)候,發(fa)動(dong)(dong)機(ji)如(ru)果(guo)沒(mei)(mei)反應,可(ke)(ke)以(yi)從(cong)以(yi)下幾(ji)點(dian)分(fen)析(xi)。第(di)(di)(di)(di)(di)一(yi),啟(qi)(qi)動(dong)(dong)系統出(chu)(chu)現(xian)問(wen)題(ti),進(jin)而發(fa)動(dong)(dong)機(ji)轉(zhuan)動(dong)(dong)不(bu)(bu)了,也有(you)(you)(you)可(ke)(ke)能(neng)是(shi)蓄(xu)電(dian)池存(cun)電(dian)不(bu)(bu)足,再就是(shi)考慮點(dian)火開(kai)關是(shi)否(fou)(fou)出(chu)(chu)問(wen)題(ti),線(xian)路是(shi)否(fou)(fou)接觸不(bu)(bu)好或者(zhe)是(shi)有(you)(you)(you)沒(mei)(mei)有(you)(you)(you)發(fa)生(sheng)斷(duan)路的情(qing)況。第(di)(di)(di)(di)(di)二,點(dian)火系統出(chu)(chu)現(xian)問(wen)題(ti),看(kan)(kan)點(dian)火線(xian)圈(quan)工作狀(zhuang)(zhuang)態是(shi)否(fou)(fou)正(zheng)(zheng)常(chang),點(dian)火器(qi)有(you)(you)(you)沒(mei)(mei)有(you)(you)(you)故障(zhang)發(fa)生(sheng)。第(di)(di)(di)(di)(di)三,燃(ran)(ran)油(you)(you)(you)噴射系統出(chu)(chu)現(xian)問(wen)題(ti),可(ke)(ke)能(neng)存(cun)在燃(ran)(ran)油(you)(you)(you)管(guan)(guan)(guan)(guan)變形的情(qing)況發(fa)生(sheng),或者(zhe)是(shi)油(you)(you)(you)箱(xiang)內還有(you)(you)(you)沒(mei)(mei)有(you)(you)(you)油(you)(you)(you),燃(ran)(ran)油(you)(you)(you)壓(ya)力(li)調節器(qi)工作是(shi)否(fou)(fou)正(zheng)(zheng)常(chang)等。第(di)(di)(di)(di)(di)四,進(jin)氣(qi)系統出(chu)(chu)現(xian)問(wen)題(ti),需(xu)要查(cha)(cha)(cha)看(kan)(kan)空氣(qi)流(liu)量計有(you)(you)(you)沒(mei)(mei)有(you)(you)(you)壞掉,怠速控制(zhi)閥控制(zhi)線(xian)路正(zheng)(zheng)常(chang)與否(fou)(fou),或者(zhe)是(shi)怠速控制(zhi)閥空氣(qi)管(guan)(guan)(guan)(guan)有(you)(you)(you)沒(mei)(mei)有(you)(you)(you)破(po)裂(lie)。維修方法:第(di)(di)(di)(di)(di)一(yi),把啟(qi)(qi)動(dong)(dong)機(ji)打(da)開(kai),要是(shi)發(fa)動(dong)(dong)機(ji)和(he)(he)啟(qi)(qi)動(dong)(dong)機(ji)都不(bu)(bu)能(neng)像正(zheng)(zheng)常(chang)狀(zhuang)(zhuang)態一(yi)樣運轉(zhuan),那(nei)就需(xu)要檢查(cha)(cha)(cha)汽車的啟(qi)(qi)動(dong)(dong)系統,檢查(cha)(cha)(cha)啟(qi)(qi)動(dong)(dong)機(ji)的線(xian)路是(shi)否(fou)(fou)正(zheng)(zheng)常(chang),點(dian)火開(kai)關和(he)(he)保險(xian)絲有(you)(you)(you)沒(mei)(mei)有(you)(you)(you)問(wen)題(ti),蓄(xu)電(dian)池存(cun)電(dian)是(shi)否(fou)(fou)足夠(gou)。第(di)(di)(di)(di)(di)二,把油(you)(you)(you)門踩(cai)到一(yi)半,接著再打(da)啟(qi)(qi)動(dong)(dong)機(ji),要是(shi)此時(shi)能(neng)夠(gou)發(fa)動(dong)(dong)啟(qi)(qi)動(dong)(dong)機(ji),那(nei)就需(xu)要從(cong)怠速控制(zhi)閥線(xian)路上(shang)找原因,也有(you)(you)(you)可(ke)(ke)能(neng)存(cun)在進(jin)氣(qi)管(guan)(guan)(guan)(guan)是(shi)否(fou)(fou)漏氣(qi)的情(qing)況出(chu)(chu)現(xian)。第(di)(di)(di)(di)(di)三,檢查(cha)(cha)(cha)外觀,例(li)如(ru)查(cha)(cha)(cha)看(kan)(kan)進(jin)氣(qi)管(guan)(guan)(guan)(guan)路有(you)(you)(you)沒(mei)(mei)有(you)(you)(you)漏氣(qi),各個軟(ruan)管(guan)(guan)(guan)(guan)連接是(shi)不(bu)(bu)是(shi)正(zheng)(zheng)常(chang),另外,曲(qu)軸(zhou)箱(xiang)通(tong)風裝(zhuang)置軟(ruan)管(guan)(guan)(guan)(guan)破(po)裂(lie)與否(fou)(fou),有(you)(you)(you)沒(mei)(mei)有(you)(you)(you)漏氣(qi)。第(di)(di)(di)(di)(di)四,查(cha)(cha)(cha)看(kan)(kan)供(gong)油(you)(you)(you)系統和(he)(he)高壓(ya)火花是(shi)否(fou)(fou)正(zheng)(zheng)常(chang),如(ru)果(guo)油(you)(you)(you)箱(xiang)有(you)(you)(you)油(you)(you)(you),并且存(cun)油(you)(you)(you)足夠(gou),看(kan)(kan)看(kan)(kan)燃(ran)(ran)油(you)(you)(you)管(guan)(guan)(guan)(guan)供(gong)油(you)(you)(you)壓(ya)力(li)正(zheng)(zheng)常(chang)與否(fou)(fou)。
二、汽車(che)行駛有異味
汽車電氣設備故(gu)(gu)障不同,所表現(xian)出(chu)來(lai)的氣味(wei)也不一(yi)樣,可以通(tong)過(guo)散發出(chu)來(lai)的氣味(wei)來(lai)辨(bian)別(bie)故(gu)(gu)障發生(sheng)(sheng)在哪里。打(da)個比方,如果汽車行駛中有(you)燒焦的味(wei)道出(chu)現(xian),就有(you)可能(neng)是(shi)汽車電線(xian)發生(sheng)(sheng)了(le)短路,如果能(neng)夠聞到明顯的汽油(you)(you)味(wei),則有(you)可能(neng)是(shi)油(you)(you)箱漏油(you)(you),或(huo)者是(shi)油(you)(you)管漏油(you)(you)。維修方法(fa):汽車電路發生(sheng)(sheng)問題,務(wu)必第(di)一(yi)時(shi)間關掉電源,然后查(cha)找線(xian)路具體(ti)在哪里發生(sheng)(sheng)故(gu)(gu)障。如果聞到汽油(you)(you)味(wei),就一(yi)定要(yao)查(cha)看油(you)(you)箱有(you)沒有(you)破損,漏油(you)(you)管是(shi)否漏油(you)(you),切不可因為簡單的氣味(wei)而忽視這些(xie)問題,一(yi)定要(yao)做到防患(huan)于未然。
三、汽車(che)運(yun)行中(zhong)有異響
汽(qi)車(che)正常(chang)運(yun)行(xing)是不(bu)存(cun)在(zai)雜(za)音(yin)(yin)的(de)(de),如(ru)果(guo)有異響,同(tong)時其(qi)響聲(sheng)(sheng)沉悶,而且振動(dong)感比較強的(de)(de)話,那(nei)就(jiu)(jiu)(jiu)說明汽(qi)車(che)出(chu)(chu)現(xian)嚴重問題了。舉個例子,汽(qi)車(che)發(fa)動(dong)機正常(chang)轉動(dong)若機油(you)(you)缺(que)少(shao)了,那(nei)就(jiu)(jiu)(jiu)會使(shi)摩擦加(jia)大(da),聲(sheng)(sheng)音(yin)(yin)也就(jiu)(jiu)(jiu)加(jia)大(da),也會有敲砧板的(de)(de)聲(sheng)(sheng)音(yin)(yin)出(chu)(chu)現(xian)。如(ru)果(guo)汽(qi)車(che)在(zai)行(xing)駛(shi)(shi)中拐彎出(chu)(chu)現(xian)異響,最可(ke)能(neng)的(de)(de)原(yuan)因就(jiu)(jiu)(jiu)是汽(qi)車(che)差速器中的(de)(de)行(xing)星齒輪(lun)發(fa)生故障(zhang),再有,汽(qi)車(che)發(fa)動(dong)機如(ru)果(guo)缺(que)缸工作,那(nei)么(me)排(pai)氣管就(jiu)(jiu)(jiu)有可(ke)能(neng)發(fa)出(chu)(chu)突(tu)突(tu)的(de)(de)聲(sheng)(sheng)響,如(ru)果(guo)在(zai)行(xing)駛(shi)(shi)過程(cheng)中,離(li)合(he)器分(fen)離(li)周缺(que)油(you)(you),那(nei)么(me)駕駛(shi)(shi)員在(zai)踩離(li)合(he)器的(de)(de)時候就(jiu)(jiu)(jiu)會有沙沙的(de)(de)聲(sheng)(sheng)響。由以(yi)上(shang)分(fen)析可(ke)以(yi)得出(chu)(chu),汽(qi)車(che)運(yun)行(xing)中所發(fa)出(chu)(chu)的(de)(de)聲(sheng)(sheng)響不(bu)同(tong),我們就(jiu)(jiu)(jiu)可(ke)以(yi)判斷故障(zhang)發(fa)生在(zai)哪里。
四、汽(qi)車空調發生問題
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(zui)主要是查看(kan)壓(ya)縮(suo)機和電子扇是否正(zheng)常工作,倘若(ruo)壓(ya)縮(suo)機出(chu)(chu)現(xian)(xian)問題,我們要做的(de)就是把高壓(ya)排氣頂針壓(ya)住,此時再看(kan)看(kan)冷(leng)(leng)媒(mei)是否溢出(chu)(chu),如果有冷(leng)(leng)媒(mei)溢出(chu)(chu),而(er)且感覺比(bi)較強的(de)話(hua),那就是汽車空調的(de)電路系統(tong)出(chu)(chu)現(xian)(xian)故障。一般空調制冷(leng)(leng)系統(tong)工作正(zheng)常的(de)話(hua),高壓(ya)管的(de)溫度會維持在(zai)五(wu)十度到六十度之(zhi)間,而(er)低壓(ya)管的(de)溫度會維持在(zai)五(wu)度到六度之(zhi)間,具體措施(shi)就是用手進(jin)行感應,以此來差看(kan)高低壓(ya)管哪(na)里出(chu)(chu)現(xian)(xian)毛(mao)病。