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yinweifaqijiyouanfaqijidexingshifenweiqiyoufaqijihechaiyoufaqiji,faqijiyouyexiangyingfenweiqiyoufaqijiyouhechaiyoufaqijiyou,faqijiyoudepinzhifenleicaiyongAPIS後跟一英文字母和APIC後跟一英文字母,來分別表明汽油機油和柴油機油,後跟的字母排序越靠後表明等級越高。如APISH級高於APISG級,因而選用發起機油時一定要先確認是選用汽油機油仍是柴油機油。如發起機油的包裝上樣品顯示APISH/CD,則表明該機油用作汽油機油等級到達SH,用作柴油機油則等級到達CD。
按現在來講,API的等級都是向下兼容,APISL質量等級的機油能夠用於要求APISHjiyoudefaqiji。jiarutiaojiandaying,jinliangxuanyonggenggaodengjidefaqijiyou,yinweitanengduifaqijigonggeigenghaodeweihu。yibanlaijiang,faqijiyoudezhiliangdengjiyuegao,jiageyuegui。danbunengfanguolaijiang。
選xuan擇ze發fa起qi機ji油you要yao依yi據ju車che廠chang的de說shuo明ming書shu要yao求qiu來lai確que認ren運yun用yong相xiang應ying的de質zhi量liang等deng級ji或huo更geng高gao的de等deng級ji。選xuan擇ze發fa起qi機ji油you還hai要yao考kao慮lv季ji節jie的de改gai換huan。因yin為wei油you品pin的de粘zhan度du會hui隨sui溫wen度du改gai變bian而er改gai變bian,冬dong季ji粘zhan度du變bian高gao,夏xia天tian粘zhan度du變bian低di,因yin而er在zai非fei常chang酷ku熱re的de區qu域yu,盡jin量liang選xuan擇ze油you品pin粘zhan度du稍shao高gao一yi點dian的de機ji油you。在zai冰bing冷leng的de季ji節jie,可ke運yun用yong較jiao稀xi的de機ji油you。但dan現xian在zai高gao質zhi量liang的de機ji油you能neng夠gou一yi起qi用yong於yu多duo種zhong氣qi候hou條tiao件jian下xia。
另外,依據新的發起機設計的要求,因為采用了電子操控燃油噴發、催化轉換器、EGR、PCV和渦輪增壓、中zhong冷leng等deng技ji能neng,發fa起qi機ji的de工gong況kuang愈yu加jia嚴yan苛ke,選xuan用yong高gao質zhi量liang等deng級ji的de發fa起qi機ji油you也ye能neng夠gou延yan伸shen發fa起qi機ji壽shou數shu,降jiang低di燃ran油you耗hao費fei,削xue減jian磨mo損sun,延yan伸shen換huan油you周zhou期qi,節jie省sheng機ji油you,節jie約yue修xiu理li費fei用yong及ji提ti高gao功gong率lv。高gao等deng級ji的de發fa起qi機ji油you能neng夠gou代dai替ti低di等deng級ji的de,而er低di等deng級ji的de發fa起qi機ji油you不bu能neng用yong於yu的de發fa起qi機ji。
現(xian)在(zai)市(shi)麵(mian)上(shang)機(ji)油(you)種(zhong)類(lei)許(xu)多(duo),兩(liang)種(zhong)不(bu)同(tong)品(pin)牌(pai)的(de)機(ji)油(you)較(jiao)好(hao)不(bu)要(yao)混(hun)合(he)運(yun)用(yong),因(yin)不(bu)同(tong)品(pin)牌(pai)的(de)油(you)品(pin)采(cai)用(yong)的(de)添(tian)加(jia)劑(ji)或(huo)許(xu)不(bu)同(tong),混(hun)用(yong)或(huo)許(xu)會(hui)造(zao)成(cheng)油(you)品(pin)蛻(tui)變(bian)。如(ru)一(yi)定(ding)要(yao)混(hun)用(yong),可(ke)先(xian)做(zuo)兩(liang)種(zhong)油(you)品(pin)的(de)相(xiang)容(rong)性(xing)試(shi)驗(yan),如(ru)相(xiang)容(rong)則(ze)能(neng)夠(gou),但(dan)這(zhe)樣(yang)運(yun)用(yong),新(xin)油(you)的(de)品(pin)質(zhi)會(hui)下(xia)降(jiang)許(xu)多(duo)。
guanghuayoushangchangyulonghunza,ruhequfenguanghuayoudehaohuaine?yibanguangpingwaiguanhennanqufenfaqijiyoudepinzhiaotu,dongshengxingguanghuayoujianyi,jinliangxuanzezhimingpinpaideguanghuayou,yijuAPI表明的機油質量等級來區分品質凹凸,一起仔細檢查油品的包裝上生產廠家的地址、生產日期、批號是否完整、清晰。
附:光滑油基本常識
轎車用光滑劑有光滑油、齒輪油和光滑脂3種。光滑油是各種發起機上運用較廣泛的光滑劑,它可起到光滑、冷卻、維護及清潔的效果。
汽qi油you機ji光guang滑hua油you是shi從cong地di下xia油you井jing開kai采cai提ti煉lian的de,未wei經jing任ren何he提ti煉lian的de光guang滑hua油you不bu適shi用yong於yu發fa起qi機ji,所suo以yi必bi須xu再zai進jin行xing嚴yan厲li提ti煉lian,參can加jia多duo種zhong元yuan素su,以yi便bian有you效xiao地di抑yi製zhi酷ku寒han及ji高gao溫wen時shi的de不bu穩wen定ding狀zhuang況kuang。
齒輪油又叫傳動光滑油,主要用於光滑轎車、拖拉機傳動係中的變速器、jiansuqihechasuqidegezhongchilun,chilunyoudezhandujiaoguanghuayouda,lvechengheise,yineryechengqiweiheiyou。yinweichilundechixingbutong,duichilunyoudeyaoqiuyebutong,yibanfenweiputongchilunyouheshuangquxianchilunyou。liangzheyinganshuomingshuyaoqiudezhongleijiazhu,bunenghunza。
光guang滑hua脂zhi含han有you稠chou化hua劑ji,其qi性xing質zhi與yu光guang滑hua油you不bu同tong。因yin為wei絕jue大da多duo數shu光guang滑hua脂zhi是shi半ban固gu體ti,在zai常chang溫wen下xia能neng保bao持chi自zi己ji的de形xing狀zhuang,在zai筆bi直zhi表biao麵mian不bu流liu失shi。而er光guang滑hua油you一yi般ban呈cheng黃huang色se,所suo以yi俗su稱cheng黃huang油you。光guang滑hua脂zhi廣guang泛fan用yong於yu光guang滑hua轎jiao車che各ge部bu軸zhou承cheng、襯套和鋼板彈簧等。