叉(cha)車打不著火是(shi)什么原因呢?
一、叉車電瓶有電,但是打不著火,鎖匙打火時啟動馬達沒有反應。
武漢電動叉車維修方法:檢查啟動機是否有故障,線路或電瓶接住接觸不良,有無過電不夠的現象。檢查保險片是否正常,檢查鎖匙開關是否良好?如果前面幾點是正常的,則測量檢查電瓶電量是否有沒有高于12.5V。如果電瓶老化了的話更換新件即可。
二、叉車有(you)(you)電有(you)(you)油或有(you)(you)氣但(dan)仍然打不(bu)著火(huo)。
維修方法:首(shou)先是(shi)(shi)打開(kai)(kai)發動(dong)機罩(zhao),拔出(chu)分電器中央高壓(ya)線,在距離氣缸體有6、7毫米的地方,接通(tong)點火開(kai)(kai)關,再打火讓曲軸轉(zhuan)動(dong),查(cha)看(kan)高壓(ya)線產生電火花的情(qing)況。然后再拆全部火花塞出(chu)來檢查(cha)是(shi)(shi)否(fou)損壞。如果是(shi)(shi)柴油車的話(hua)側檢查(cha)高壓(ya)油泵是(shi)(shi)否(fou)噴油正常(chang),噴油嘴是(shi)(shi)否(fou)霧(wu)化正常(chang)。
三(san)、要是沒(mei)有(you)火花出(chu)現,則(ze)檢查線(xian)路(lu)的原(yuan)因,就是低(di)壓(ya)電(dian)(dian)(dian)(dian)(dian)路(lu)有(you)短路(lu)、斷(duan)路(lu)或點火線(xian)圈、中央高(gao)壓(ya)線(xian)有(you)故(gu)障(zhang)(zhang)。可交(jiao)替地斷(duan)開、閉(bi)合觸(chu)點,觀察萬(wan)用表(biao)指針或數字讀數是否(fou)正常(chang)。若(ruo)電(dian)(dian)(dian)(dian)(dian)流(liu)表(biao)指示(shi)放(fang)電(dian)(dian)(dian)(dian)(dian)3~5A,并間(jian)歇擺(bai)動,則(ze)表(biao)明(ming)低(di)壓(ya)電(dian)(dian)(dian)(dian)(dian)路(lu)良(liang)好,故(gu)障(zhang)(zhang)發生在高(gao)壓(ya)電(dian)(dian)(dian)(dian)(dian)路(lu);若(ruo)電(dian)(dian)(dian)(dian)(dian)流(liu)表(biao)指針不擺(bai)動,則(ze)表(biao)明(ming)低(di)壓(ya)電(dian)(dian)(dian)(dian)(dian)路(lu)有(you)斷(duan)路(lu);若(ruo)電(dian)(dian)(dian)(dian)(dian)流(liu)表(biao)大電(dian)(dian)(dian)(dian)(dian)流(liu)放(fang)電(dian)(dian)(dian)(dian)(dian),表(biao)示(shi)低(di)壓(ya)電(dian)(dian)(dian)(dian)(dian)路(lu)中有(you)搭鐵故(gu)障(zhang)(zhang)。如(ru)果是柴油車的話則(ze)檢查高(gao)壓(ya)柴油泵(beng)的電(dian)(dian)(dian)(dian)(dian)磁閥是否(fou)正常(chang)工作(zuo),是否(fou)有(you)正常(chang)電(dian)(dian)(dian)(dian)(dian)壓(ya)過來到電(dian)(dian)(dian)(dian)(dian)磁閥中,如(ru)果沒(mei)有(you)的話,檢查線(xian)路(lu)和(he)保險。
四、要是(shi)火(huo)(huo)(huo)花(hua)(hua)過(guo)強,產生藍白色的火(huo)(huo)(huo)花(hua)(hua),則表示低壓(ya)電(dian)路和點火(huo)(huo)(huo)線圈良好,故障在分(fen)電(dian)器(qi)和火(huo)(huo)(huo)花(hua)(hua)塞(sai)高(gao)壓(ya)電(dian)路中(zhong)。從火(huo)(huo)(huo)花(hua)(hua)塞(sai)上端拆(chai)下高(gao)壓(ya)線頭(tou),搖轉曲(qu)軸對機體試火(huo)(huo)(huo),如無火(huo)(huo)(huo)應檢查(cha)分(fen)火(huo)(huo)(huo)頭(tou)、分(fen)電(dian)器(qi)蓋及高(gao)壓(ya)分(fen)線是(shi)否漏電(dian),有火(huo)(huo)(huo)花(hua)(hua)時需(xu)檢查(cha)點火(huo)(huo)(huo)正時和火(huo)(huo)(huo)花(hua)(hua)塞(sai)的工作情況(kuang)。
五、叉車(che)啟動(dong)發(fa)動(dong)機時(shi),發(fa)動(dong)機有轉(zhuan)動(dong)但(dan)是(shi)(shi)打不(bu)著。維(wei)修方法:首先檢查(cha)(cha)油(you)路和電路都是(shi)(shi)否正(zheng)常,檢查(cha)(cha)方法如上(shang),如果(guo)正(zheng)常的話哪就是(shi)(shi)活(huo)塞(sai)里面的壓縮比過小,或者是(shi)(shi)汽油(you)和空氣混合霧(wu)化不(bu)好(hao),或者是(shi)(shi)化油(you)器有問題,柴油(you)車(che)的可能是(shi)(shi)噴油(you)嘴霧(wu)化不(bu)好(hao),則檢查(cha)(cha)預熱塞(sai)先來預熱后再(zai)啟動(dong)。
六(liu)、叉車發動機有轉(zhuan)動,但是(shi)轉(zhuan)動不均勻(yun)的話,則是(shi)啟動馬達(da)有磨損(sun)拖底(di)的情況了,更換新的啟動馬達(da)后既可解決問題。
七、蓄電(dian)(dian)(dian)池無電(dian)(dian)(dian)。維修方法:查看電(dian)(dian)(dian)瓶是(shi)(shi)否有電(dian)(dian)(dian)。打不著(zhu)火可能是(shi)(shi)由于長時(shi)間大燈未關等(deng)原因造成的虧電(dian)(dian)(dian)或是(shi)(shi)電(dian)(dian)(dian)瓶壽命到(dao)期,一般根據保養手冊及時(shi)更換電(dian)(dian)(dian)瓶,或者用其(qi)它車輛(liang)電(dian)(dian)(dian)池連(lian)線打火。發(fa)動(dong)機(ji)能起動(dong)后,則再檢查發(fa)電(dian)(dian)(dian)機(ji)的發(fa)電(dian)(dian)(dian)量是(shi)(shi)否正常,發(fa)電(dian)(dian)(dian)機(ji)的磁場是(shi)(shi)否足夠(gou)。怠速和(he)加大油門測量發(fa)電(dian)(dian)(dian)量是(shi)(shi)否有在正常的數值內變化。
八(ba)、機油(you)供(gong)(gong)油(you)系統供(gong)(gong)應不上油(you)壓力過低(di)。維修方法:查看叉車油(you)尺或油(you)表(biao)是否(fou)有足夠的(de)油(you)。如果油(you)表(biao)顯示已(yi)在紅線以(yi)下(xia),自然打不著火(huo),及時補(bu)充即可,補(bu)充需注(zhu)意油(you)的(de)品(pin)質,盡(jin)量選擇質量好的(de)。若是煤氣(qi)車的(de)話看氣(qi)路是否(fou)暢通。
九、還(huan)有(you)(you)的(de)車(che)加(jia)裝有(you)(you)座椅開(kai)關(guan)的(de),如果司機不坐(zuo)在(zai)叉車(che)的(de)座椅上(shang)面是打不著車(che)的(de)。這樣的(de)裝置(zhi)是防止沒有(you)(you)人(ren)在(zai)駕駛位置(zhi)上(shang)面,可能有(you)(you)時會導(dao)致叉車(che)不小(xiao)心傷(shang)人(ren)的(de)事故(gu)出現。
十、掛(gua)錯擋(dang)位。自動(dong)擋(dang)車(che)啟(qi)動(dong)時(shi)擋(dang)位一定要放在中間的(de)空擋(dang)上(shang),如果放在前進或者(zhe)后退擋(dang)上(shang)就(jiu)會打不著(zhu)火(huo)。開車(che)點(dian)火(huo)以(yi)前,先把鑰匙擰到(dao)ON開關,然(ran)后回(hui)一下,再(zai)開到(dao)啟(qi)動(dong)開關點(dian)火(huo),正常扭(niu)鎖(suo)匙開關的(de)話最(zui)(zui)好是在5-6秒以(yi)內,最(zui)(zui)多不要超過10秒,如果時(shi)間過長的(de)話則先停(ting)下來休息一下然(ran)后再(zai)第二次啟(qi)動(dong)。