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如發動機前端空間太小，隻有吊出發動機才能打開正時齒輪室蓋，而現場無起吊設備，又需進行現場急救時，可進行如下處理：把(ba)校(xiao)正(zheng)好(hao)的(de)油(you)泵(beng)按(an)正(zheng)常(chang)安(an)裝(zhuang)位(wei)置(zhi)裝(zhuang)複(fu)，接(jie)好(hao)低(di)壓(ya)油(you)路(lu)，排(pai)空(kong)氣(qi)注(zhu)滿(man)油(you)。打(da)開(kai)一(yi)缸(gang)氣(qi)門(men)室(shi)蓋(gai)，盤(pan)動(dong)曲(qu)軸(zhou)同(tong)時(shi)查(zha)看(kan)一(yi)缸(gang)進(jin)排(pai)氣(qi)門(men)搖(yao)臂(bi)運(yun)動(dong)情(qing)況(kuang)，到(dao)飛(fei)輪(lun)上(shang)一(yi)缸(gang)供(gong)油(you)開(kai)始(shi)時(shi)刻(ke)。盤(pan)動(dong)聯(lian)軸(zhou)器(qi)從(cong)動(dong)盤(pan)到(dao)一(yi)缸(gang)出(chu)油(you)閥(fa)緊(jin)座(zuo)出(chu)油(you)口(kou)油(you)麵(mian)波(bo)動(dong)，停(ting)止(zhi)轉(zhuan)動(dong)。反(fan)向(xiang)盤(pan)動(dong)從(cong)動(dong)凸(tu)緣(yuan)盤(pan)，到(dao)中(zhong)間(jian)凸(tu)緣(yuan)盤(pan)固(gu)定(ding)螺(luo)釘(ding)正(zheng)對(dui)驅(qu)動(dong)凸(tu)緣(yuan)盤(pan)上(shang)弧(hu)形(xing)長(chang)孔(kong)中(zhong)心(xin)位(wei)置(zhi)，固(gu)定(ding)凸(tu)緣(yuan)盤(pan)定(ding)位(wei)螺(luo)釘(ding)。在(zai)發(fa)動(dong)機(ji)體(ti)上(shang)正(zheng)對(dui)正(zheng)時(shi)齒(chi)輪(lun)軸(zhou)處(chu)塗(tu)蓋(gai)濕(shi)泥(ni)，用(yong)噴(pen)燈(deng)或(huo)氧(yang)炔(que)焰(yan)加(jia)熱(re)正(zheng)時(shi)齒(chi)輪(lun)軸(zhou)，到(dao)能(neng)用(yong)開(kai)口(kou)扳(ban)手(shou)按(an)噴(pen)油(you)泵(beng)旋(xuan)轉(zhuan)方(fang)向(xiang)在(zai)油(you)泵(beng)端(duan)扳(ban)動(dong)從(cong)動(dong)凸(tu)緣(yuan)盤(pan)，不(bu)可(ke)過(guo)加(jia)熱(re)。此(ci)時(shi)油(you)泵(beng)轉(zhuan)動(dong)，而(er)正(zheng)時(shi)齒(chi)輪(lun)端(duan)受(shou)發(fa)動(dong)機(ji)靜(jing)止(zhi)狀(zhuang)態(tai)限(xian)製(zhi)不(bu)能(neng)轉(zhuan)動(dong)。到(dao)一(yi)缸(gang)出(chu)油(you)閥(fa)緊(jin)座(zuo)出(chu)油(you)口(kou)油(you)麵(mian)明(ming)顯(xian)波(bo)動(dong)為(wei)止(zhi)，保(bao)持(chi)此(ci)位(wei)置(zhi)不(bu)動(dong)待(dai)正(zheng)時(shi)齒(chi)輪(lun)軸(zhou)冷(leng)卻(que)。這(zhe)樣(yang)噴(pen)油(you)泵(beng)與(yu)正(zheng)時(shi)齒(chi)輪(lun)軸(zhou)恢(hui)複(fu)到(dao)軸(zhou)扭(niu)曲(qu)變(bian)形(xing)前(qian)對(dui)應(ying)位(wei)置(zhi)。繼(ji)續(xu)盤(pan)動(dong)曲(qu)軸(zhou)一(yi)周(zhou)，正(zheng)時(shi)齒(chi)輪(lun)軸(zhou)上(shang)第(di)一(yi)次(ci)加(jia)熱(re)時(shi)火(huo)焰(yan)沒(mei)有(you)直(zhi)接(jie)加(jia)熱(re)到(dao)的(de)一(yi)麵(mian)轉(zhuan)向(xiang)正(zheng)外(wai)麵(mian)，進(jin)行(xing)第(di)二(er)次(ci)加(jia)熱(re)，基(ji)本(ben)與(yu)第(di)一(yi)次(ci)加(jia)熱(re)一(yi)致(zhi)。冷(leng)卻(que)後(hou)軸(zhou)上(shang)二(er)對(dui)應(ying)表(biao)麵(mian)受(shou)熱(re)殘(can)餘(yu)內(nei)應(ying)力(li)基(ji)本(ben)一(yi)致(zhi)。軸(zhou)不(bu)致(zhi)發(fa)生(sheng)明(ming)顯(xian)撓(nao)曲(qu)變(bian)形(xing)，傳(chuan)動(dong)穩(wen)定(ding)性(xing)好(hao)。以(yi)上(shang)方(fang)法(fa)比(bi)較(jiao)簡(jian)單(dan)，可(ke)作(zuo)現(xian)場(chang)救(jiu)急(ji)之(zhi)用(yong)。但(dan)因(yin)為(wei)加(jia)熱(re)火(huo)候(hou)不(bu)易(yi)控(kong)製(zhi)，齒(chi)輪(lun)軸(zhou)難(nan)免(mian)存(cun)在(zai)因(yin)殘(can)餘(yu)應(ying)力(li)不(bu)平(ping)衡(heng)引(yin)起(qi)的(de)撓(nao)曲(qu)變(bian)形(xing)。條(tiao)件(jian)許(xu)可(ke)情(qing)況(kuang)下(xia)，更(geng)換(huan)正(zheng)時(shi)齒(chi)輪(lun)軸(zhou)效(xiao)果(guo)最(zui)好(hao)。
