多久換一次火花塞
不同類型(xing)的(de)(de)(de)火(huo)(huo)(huo)(huo)花(hua)(hua)(hua)塞(sai)壽命(ming)(ming)(ming)(ming)差(cha)距較大。國產單極(ji)(ji)(ji)火(huo)(huo)(huo)(huo)花(hua)(hua)(hua)塞(sai)的(de)(de)(de)工(gong)(gong)作(zuo)壽命(ming)(ming)(ming)(ming)為(wei)1-1.2萬(wan)(wan)(wan)(wan)公(gong)里(li),進(jin)(jin)(jin)口(kou)(kou)三極(ji)(ji)(ji)火(huo)(huo)(huo)(huo)花(hua)(hua)(hua)塞(sai)工(gong)(gong)作(zuo)壽命(ming)(ming)(ming)(ming)為(wei)2-3萬(wan)(wan)(wan)(wan)公(gong)里(li),進(jin)(jin)(jin)口(kou)(kou)銥金(jin)(jin)火(huo)(huo)(huo)(huo)花(hua)(hua)(hua)塞(sai)工(gong)(gong)作(zuo)壽命(ming)(ming)(ming)(ming)為(wei)3-4萬(wan)(wan)(wan)(wan)公(gong)里(li),進(jin)(jin)(jin)口(kou)(kou)鉑(bo)(bo)金(jin)(jin)火(huo)(huo)(huo)(huo)花(hua)(hua)(hua)塞(sai)工(gong)(gong)作(zuo)壽命(ming)(ming)(ming)(ming)為(wei)3-5萬(wan)(wan)(wan)(wan)公(gong)里(li),進(jin)(jin)(jin)口(kou)(kou)銥鉑(bo)(bo)金(jin)(jin)火(huo)(huo)(huo)(huo)花(hua)(hua)(hua)塞(sai)(正(zheng)電極(ji)(ji)(ji)銥金(jin)(jin),側電極(ji)(ji)(ji)鉑(bo)(bo)金(jin)(jin))工(gong)(gong)作(zuo)壽命(ming)(ming)(ming)(ming)可達(da)到8萬(wan)(wan)(wan)(wan)公(gong)里(li),而(er)最頂級(ji)的(de)(de)(de)雙銥金(jin)(jin)火(huo)(huo)(huo)(huo)花(hua)(hua)(hua)塞(sai)工(gong)(gong)作(zuo)壽命(ming)(ming)(ming)(ming)則可達(da)10萬(wan)(wan)(wan)(wan)公(gong)里(li)以上。
怎樣判斷火花塞該換了
拆下火花塞(sai)(sai)觀察,根據以下的外觀顏色(se)觀察判斷火花塞(sai)(sai)的使用(yong)狀況:
如果是赤褐色或鐵銹色,表明火花塞正常;如果(guo)是漬(zi)油(you)狀,表明火花塞間隙失調或(huo)供油(you)過(guo)多(duo),高壓線短路(lu)或(huo)斷路(lu);如果是煙熏(xun)過的黑色(se),表明火花(hua)塞冷熱型選錯或混合氣濃(nong),機(ji)油上竄(cuan);如(ru)果(guo)在頂(ding)端處與電極(ji)(ji)間有沉(chen)(chen)積(ji)(ji)物(wu),沉(chen)(chen)積(ji)(ji)物(wu)是(shi)油(you)性物(wu)時(shi)(shi),證(zheng)明氣缸(gang)竄機油(you),與火花塞無關(guan);如(ru)果(guo)沉(chen)(chen)積(ji)(ji)物(wu)是(shi)黑色時(shi)(shi)則(ze)說明火花塞積(ji)(ji)碳而(er)旁路;沉(chen)(chen)積(ji)(ji)物(wu)為(wei)灰色則(ze)是(shi)因為(wei)汽油(you)中(zhong)添(tian)加劑覆蓋了電極(ji)(ji)而(er)導致的缺火;如果火花塞嚴重(zhong)燒(shao)蝕,頂端出現起疤、黑色紋路、破裂、電極(ji)熔化(hua)等現象(xiang),這就表明火花塞已經損壞,必(bi)須(xu)立即更(geng)換(huan)。
火花塞選購
在(zai)選擇(ze)火(huo)(huo)花塞時,必須保證舊火(huo)(huo)花塞與新(xin)火(huo)(huo)花塞的尺寸一致(zhi)。火(huo)(huo)花塞的尺寸會(hui)印在(zai)裙部(bu)陶瓷絕緣體上,只要保證新(xin)老(lao)火(huo)(huo)花塞的尺寸數字(zi)和(he)字(zi)母一致(zhi)即可。
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