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發生振動現象則說明電樞有短路故障

2019/6/3

測量值超(chao)出基準值時(shi),用調整墊圈進行調整。(a)卸下(xia)(xia)齒輪托(tuo)架安(an)裝(zhuang)(zhuang)螺釘,在超(chao)越離合器上(shang)安(an)裝(zhuang)(zhuang)著齒輪軸(zhou)、齒輪托(tuo)架的(de)狀態下(xia)(xia),從前托(tuo)架卸下(xia)(xia)。(b)用管狀工具抵住小齒(chi)輪止(zhi)擋器(qi)(qi),用榔頭敲打(da),將小齒(chi)輪止(zhi)擋器(qi)(qi)從(cong)環卸(xie)下。發(fa)動機電氣部(bu)分—整備要領c)將(jiang)環(huan)(huan)從(cong)齒(chi)輪軸的(de)環(huan)(huan)溝卸下。再將(jiang)小齒(chi)輪止擋(dang)器從(cong)齒(chi)輪軸拔(ba)出。d)將(jiang)超越離合器(qi)、齒輪托架(jia)從齒輪軸拔出。先(xian)打開電(dian)(dian)刷(shua)彈簧,然后(hou)卸(xie)下電(dian)(dian)刷(shua)地(di)進(jin)行電(dian)(dian)刷(shua)彈簧卸(xie)下操作。將(jiang)電(dian)(dian)樞(shu)(shu)(shu)(shu)放置在電(dian)(dian)樞(shu)(shu)(shu)(shu)試(shi)驗臺上(shang)。將(jiang)鐵(tie)(tie)片與電(dian)(dian)樞(shu)(shu)(shu)(shu)平行后(hou),用(yong)手慢(man)慢(man)旋轉(zhuan)電(dian)(dian)樞(shu)(shu)(shu)(shu)。此時如(ru)果(guo)鐵(tie)(tie)片被吸引或發生(sheng)振(zhen)動(dong)現象則說明電(dian)(dian)樞(shu)(shu)(shu)(shu)有短路(lu)故障,應更(geng)換(huan)(huan)電(dian)(dian)樞(shu)(shu)(shu)(shu)。調查(cha)轉(zhuan)換(huan)(huan)器(qi)和(he)軸(或芯(xin)子)之(zhi)間(jian)的導(dao)通(tong),如(ru)果(guo)有導(dao)通(tong)就說明和(he)地(di)通(tong)了(le),要更(geng)換(huan)(huan)電(dian)(dian)樞(shu)(shu)(shu)(shu)。轉(zhuan)換(huan)(huan)器(qi)的振(zhen)動(dong)用(yong)手旋轉(zhuan)電(dian)(dian)樞(shu)(shu)(shu)(shu)來測量(liang)。

測量值大于限(xian)度時在外(wai)徑(參照(d)項)的(de)限度(du)內進行修正。另外,轉換(huan)器外徑有粗糙、階梯磨耗(hao)時,用(yong)砂紙(300500號)進行修正,修正后必(bi)須確認(ren)轉(zhuan)(zhuan)換(huan)器的(de)(de)(de)振動。測(ce)量(liang)轉(zhuan)(zhuan)換(huan)器外徑,當測(ce)量(liang)值為限度以上時更(geng)換(huan)轉(zhuan)(zhuan)換(huan)器。測(ce)量(liang)扇形體間的(de)(de)(de)鑄(zhu)型深度,測(ce)量(liang)值為限度以下時,更(geng)換(huan)轉(zhuan)(zhuan)換(huan)器。另外,鑄(zhu)型部(bu)(bu)(bu)有(you)圖示那(nei)樣(yang)的(de)(de)(de)不(bu)良(liang)時,修正鑄(zhu)型部(bu)(bu)(bu)或更(geng)換(huan)電樞。確認(ren)端(duan)子引線和電刷○+間有(you)導(dao)通(tong)(tong)(tong)。無導(dao)通(tong)(tong)(tong)時說(shuo)明斷線了,要(yao)更(geng)換(huan)軛鐵(tie)?組(zu)件。確認(ren)軛鐵(tie)和電刷○+間無導(dao)通(tong)(tong)(tong)。有(you)導(dao)通(tong)(tong)(tong)時說(shuo)明通(tong)(tong)(tong)了地,要(yao)點(dian)檢絕緣部(bu)(bu)(bu)位,不(bu)能(neng)修理時更(geng)換(huan)軛鐵(tie)?組(zu)件。注(zhu)意!有(you)時線圈(quan)的(de)(de)(de)周(zhou)圍粘附鐵(tie)粉(電刷、電樞等(deng)的(de)(de)(de)磨耗粉末(mo))等(deng),會造成線圈(quan)和軛鐵(tie)?組(zu)件通(tong)(tong)(tong)地。(a)測(ce)(ce)量電刷的長(chang)度,測(ce)(ce)量值為限度以下時。

如(ru)是○+側電(dian)刷(shua),就更(geng)換軛鐵?組(zu)(zu)件(jian),如(ru)是○-側電(dian)刷(shua),就更(geng)換電(dian)刷(shua)基座?組(zu)(zu)件(jian)。(b)電刷和轉換器(qi)的接觸部(bu)位發生偏磨耗、粗糙等現象時(shi),用砂紙(300500號)修(xiu)正電刷(shua)(shua)。注(zhu)意!修(xiu)正電刷(shua)(shua)的接觸面時(shi),要修(xiu)得和(he)轉(zhuan)換(huan)器同一曲(qu)面。使用新的電刷(shua)(shua)時(shi),如圖(tu)所(suo)示那樣測量(liang)電刷(shua)(shua)彈(dan)簧從電刷(shua)(shua)離開的瞬間的負荷,測量(liang)值為(wei)限(xian)度以下時(shi),更換(huan)電刷(shua)(shua)彈(dan)簧。確認○+側(ce)電刷(shua)(shua)基座(zuo)(zuo)和(he)○-側(ce)基座(zuo)(zuo)板間無導通(tong)。有導通(tong)時(shi)說(shuo)明通(tong)了地(di),要更換(huan)電刷(shua)(shua)基座(zuo)(zuo)。?確認S端子-M端子間(jian)有導(dao)通(tong)。無(wu)導(dao)通(tong)時更換磁性開(kai)關。?確認S端子-地線間有導(dao)通。無導(dao)通時(shi),更(geng)換磁性(xing)開(kai)關。?確認B端(duan)子-M端(duan)子間(jian)無導通(tong)。有導通(tong)時,更(geng)換磁(ci)性(xing)開(kai)關。?如圖(tu)所示地將磁(ci)性(xing)開(kai)關接(jie)點關閉。?在此狀態下,確認B端(duan)子(zi)-M端(duan)子間有(you)導通(tong)。

無(wu)導通時,更換磁性開關。確認(ren)將小齒輪(lun)沿驅(qu)動方(fang)向(右轉)旋轉時轉動自(zi)如,反轉(左轉)時鎖(suo)定不動。有異(yi)常時,更換超(chao)越離合(he)(he)器。另外,在(zai)(zai)齒輪(lun)軸上插入超(chao)越離合(he)(he)器,確認(ren)超(chao)越離合(he)(he)器沿花鍵(jian)移(yi)動自(zi)如。注意!超(chao)越離合(he)(he)器不要用(yong)清洗油劑清洗。用(yong)清洗油劑清洗時封(feng)在(zai)(zai)內部的潤滑脂(zhi)會流(liu)出來(lai)。推(tui)力間隙不符(fu)合(he)(he)基準(zhun)值時,將調整墊圈加(jia)入圖示部位進行調整。在(zai)(zai)齒輪(lun)軸齒圈部的4個(ge)孔(φ6)中穿(chuan)上銷(xiao)或螺釘,用壓(ya)(ya)床(chuang)壓(ya)(ya)。將(jiang)管狀工具抵(di)著軸承(cheng)的內(nei)圈部,用手(shou)手(shou)動(dong)壓(ya)(ya)床(chuang)壓(ya)(ya)入(ru)(ru)。?采(cai)用與軸承(cheng)的內(nei)圈口徑相(xiang)合的管等工具,用手(shou)動(dong)壓(ya)(ya)床(chuang)將(jiang)后(hou)軸承(cheng)壓(ya)(ya)入(ru)(ru)。?采(cai)用與軸承(cheng)的內(nei)圈口徑相(xiang)合的管等工具,用手(shou)動(dong)壓(ya)(ya)床(chuang)將(jiang)前軸承(cheng)壓(ya)(ya)入(ru)(ru)。(1)將齒輪軸、超越離合器、齒輪托(tuo)架(jia)按(an)如下(xia)要領進(jin)行組裝(zhuang)。(a)給齒(chi)輪軸(zhou)的圖示部位涂敷潤滑脂(zhi)。

將(jiang)齒(chi)輪(lun)托架、超越離(li)合器(qi)插入齒(chi)輪(lun)軸。(b)將小(xiao)齒(chi)輪止擋器按(an)圖示方向安裝在齒(chi)輪軸。(c)將環安裝到齒輪(lun)軸的環溝。d)將小齒輪用力拉近環(huan)側(ce),把環(huan)放(fang)入(ru)小齒輪止擋器的環(huan)溝,使其固定。按圖(tu)(tu)示(shi)(shi)方向放(fang)入(ru)控制桿,用銷由前托架外側(ce)來進行安裝。將超越離(li)合器、齒輪軸安裝到(dao)前托架時,要在(zai)圖(tu)(tu)示(shi)(shi)部位涂敷潤滑脂后(hou)再進行。此(ci)時,要將控制桿夾到(dao)超越離(li)合器部。要在(zai)圖(tu)(tu)示(shi)(shi)部位給磁性開(kai)關(guan)涂敷潤滑脂,然后(hou)將S端(duan)子(zi)朝上(shang)地(di)裝(zhuang)(zhuang)到(dao)控制桿部(bu)。軛鐵(tie)?組件(jian)要在電樞(shu)的花鍵(jian)部(bu)位涂敷潤滑脂后安(an)裝(zhuang)(zhuang)到(dao)中心托(tuo)架(jia)。發動機電氣部(bu)分—整備要領?將軛鐵(tie)側端(duan)子(zi)部(bu)和中心托(tuo)架(jia)側切口對(dui)好后進行安(an)裝(zhuang)(zhuang)。(a)將組裝(zhuang)完了的啟動器按圖式(shi)進行布線。(b)將開關KK2置于ON,使小齒輪冒(mao)出。

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