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6、冷(leng)卻和潤滑系(xi)統(tong)有(you)故障 發(fa)(fa)電機(ji)(ji)出租柴油(you)機(ji)(ji)過(guo)熱,是由于冷(leng)卻或潤滑系(xi)統(tong)有(you)故障所致(zhi)(zhi)(zhi),此(ci)種情況(kuang)下會(hui)(hui)導(dao)(dao)致(zhi)(zhi)(zhi)水(shui)溫和油(you)溫過(guo)高,易出現拉缸(gang)(gang)(gang)或活塞環卡現象。當柴油(you)機(ji)(ji)排(pai)氣(qi)(qi)(qi)(qi)(qi)溫度(du)增加(jia)時(shi)(shi)(shi),應(ying)檢查冷(leng)卻器(qi)和散(san)熱器(qi),水(shui)垢。 100.jpg 7、缸(gang)(gang)(gang)蓋(gai)組有(you)故障 (1)由于排(pai)氣(qi)(qi)(qi)(qi)(qi)漏(lou)氣(qi)(qi)(qi)(qi)(qi)引起進(jin)(jin)氣(qi)(qi)(qi)(qi)(qi)量不(bu)(bu)足或進(jin)(jin)氣(qi)(qi)(qi)(qi)(qi)中混有(you)廢氣(qi)(qi)(qi)(qi)(qi),繼而(er)導(dao)(dao)致(zhi)(zhi)(zhi)燃油(you)燃燒不(bu)(bu)充分,功(gong)率下降。應(ying)修磨氣(qi)(qi)(qi)(qi)(qi)門(men)與氣(qi)(qi)(qi)(qi)(qi)門(men)座的(de)配合(he)面,以(yi)提(ti)高其密封性(xing),必要時(shi)(shi)(shi)換新。 (2)氣(qi)(qi)(qi)(qi)(qi)缸(gang)(gang)(gang)蓋(gai)與機(ji)(ji)體的(de)接合(he)面漏(lou)氣(qi)(qi)(qi)(qi)(qi)會(hui)(hui)使(shi)(shi)缸(gang)(gang)(gang)體內(nei)的(de)氣(qi)(qi)(qi)(qi)(qi)進(jin)(jin)入水(shui)道或油(you)道,造成(cheng)(cheng)冷(leng)卻液進(jin)(jin)入發(fa)(fa)動(dong)(dong)機(ji)(ji)體內(nei),若發(fa)(fa)現不(bu)(bu)及時(shi)(shi)(shi)會(hui)(hui)導(dao)(dao)致(zhi)(zhi)(zhi)"滑瓦(wa)"或冒黑煙(yan),從(cong)而(er)使(shi)(shi)發(fa)(fa)動(dong)(dong)機(ji)(ji)動(dong)(dong)力不(bu)(bu)足。由于氣(qi)(qi)(qi)(qi)(qi)缸(gang)(gang)(gang)墊(dian)損(sun)壞(huai),變速時(shi)(shi)(shi)會(hui)(hui)有(you)一股氣(qi)(qi)(qi)(qi)(qi)流(liu)從(cong)缸(gang)(gang)(gang)墊(dian)沖出,發(fa)(fa)動(dong)(dong)機(ji)(ji)運轉時(shi)(shi)(shi)墊(dian)片處會(hui)(hui)有(you)水(shui)泡出現,此(ci)時(shi)(shi)(shi)應(ying)按規定(ding)扭矩擰(ning)緊(jin)氣(qi)(qi)(qi)(qi)(qi)缸(gang)(gang)(gang)蓋(gai)螺母或更換氣(qi)(qi)(qi)(qi)(qi)缸(gang)(gang)(gang)蓋(gai)墊(dian)片。 (3)氣(qi)(qi)(qi)(qi)(qi)門(men)間(jian)(jian)隙不(bu)(bu)正(zheng)確會(hui)(hui)造成(cheng)(cheng)漏(lou)氣(qi)(qi)(qi)(qi)(qi),致(zhi)(zhi)(zhi)使(shi)(shi)發(fa)(fa)動(dong)(dong)機(ji)(ji)動(dong)(dong)力下降,甚(shen)至(zhi)著火困難(nan)。應(ying)重新調整氣(qi)(qi)(qi)(qi)(qi)門(men)間(jian)(jian)隙。 (4)氣(qi)(qi)(qi)(qi)(qi)門(men)彈(dan)簧損(sun)壞(huai)會(hui)(hui)造成(cheng)(cheng)氣(qi)(qi)(qi)(qi)(qi)門(men)回(hui)位(wei)困難(nan),氣(qi)(qi)(qi)(qi)(qi)門(men)漏(lou)氣(qi)(qi)(qi)(qi)(qi),燃氣(qi)(qi)(qi)(qi)(qi)壓縮比減少,從(cong)而(er)造成(cheng)(cheng)發(fa)(fa)動(dong)(dong)機(ji)(ji)動(dong)(dong)力不(bu)(bu)足。應(ying)及時(shi)(shi)(shi)更換已損(sun)壞(huai)的(de)氣(qi)(qi)(qi)(qi)(qi)門(men)彈(dan)簧。 (5)噴(pen)油(you)器(qi)安裝孔漏(lou)氣(qi)(qi)(qi)(qi)(qi)或銅墊(dian)損(sun)壞(huai)會(hui)(hui)造成(cheng)(cheng)缺缸(gang)(gang)(gang),使(shi)(shi)發(fa)(fa)動(dong)(dong)機(ji)(ji)動(dong)(dong)力不(bu)(bu)足。應(ying)拆下檢修,并(bing)更換已損(sun)壞(huai)的(de)零件。若進(jin)(jin)水(shui)溫度(du)太低,會(hui)(hui)導(dao)(dao)致(zhi)(zhi)(zhi)散(san)熱損(sun)失增大,此(ci)時(shi)(shi)(shi)應(ying)調整進(jin)(jin)入溫度(du),使(shi)(shi)之符合(he)規定(ding)的(de)數(shu)值。