后橋是指連接兩個后輪的一個橋,向后驅動車的后橋稱之為驅動橋,不是后驅車的后橋稱之為支撐橋
后懸架總成 往往出現在乘用車中,一般由彈簧、減震器、連接桿、等組成的起到傳遞和支撐輪胎和車身的之間的激勵的部件。
一般分為三種 獨立懸架(連桿式的)、半獨立懸架(扭力梁式)、非獨立懸架(橋或者軸式的)。后橋是指連接兩個后輪的一個橋,向后驅動車的后橋稱之為驅動橋,不是后驅車的后橋稱之為支撐橋,
后懸架總成是指用來支撐車輛后部車身的,一般為獨立懸架
1、將橋殼(ke)下(xia)(xia)(xia)部的放油螺(luo)塞擰(ning)下(xia)(xia)(xia),放出橋殼(ke)的潤(run)滑油;拆下(xia)(xia)(xia)主(zhu)動錐齒輪凸緣與傳動軸的連接(jie)螺(luo)栓;
2、半(ban)(ban)(ban)(ban)軸(zhou)(zhou)的拆(chai)卸。拆(chai)卸前(qian),應將前(qian)輪用(yong)掩木掩住(zhu),松開駐車制動器(qi)。拆(chai)卸時,松開并(bing)(bing)擰下全(quan)部半(ban)(ban)(ban)(ban)軸(zhou)(zhou)緊固螺(luo)母及墊圈;用(yong)銅錘輕輕打擊半(ban)(ban)(ban)(ban)軸(zhou)(zhou)尾部中央2至3下,使(shi)半(ban)(ban)(ban)(ban)軸(zhou)(zhou)法(fa)蘭面與輪轂連接面分離(li)后,用(yong)手(shou)拉半(ban)(ban)(ban)(ban)軸(zhou)(zhou)法(fa)蘭,即(ji)可將半(ban)(ban)(ban)(ban)軸(zhou)(zhou)抽出。注意在半(ban)(ban)(ban)(ban)軸(zhou)(zhou)花鍵部分即(ji)將通(tong)過油(you)封(feng)時,要用(yong)手(shou)托(tuo)住(zhu)半(ban)(ban)(ban)(ban)軸(zhou)(zhou)桿部,并(bing)(bing)緩(huan)緩(huan)轉動半(ban)(ban)(ban)(ban)軸(zhou)(zhou),使(shi)半(ban)(ban)(ban)(ban)軸(zhou)(zhou)并(bing)(bing)行(xing)移出,不致將半(ban)(ban)(ban)(ban)軸(zhou)(zhou)油(you)封(feng)損(sun)壞,也預(yu)防(fang)半(ban)(ban)(ban)(ban)軸(zhou)(zhou)掉地扎傷人;
3、主減速器總(zong)成(cheng)的拆(chai)卸:卸下(xia)(xia)后(hou)制(zhi)動軟(ruan)管(guan)(guan)與三通接(jie)頭;用小(xiao)車,將(jiang)減速器殼(ke)支承好(hao),拆(chai)下(xia)(xia)減速器殼(ke)與后(hou)橋(qiao)(qiao)連接(jie)的12個(ge)螺栓,將(jiang)減速器總(zong)成(cheng)從橋(qiao)(qiao)殼(ke)上取下(xia)(xia);斷開制(zhi)動氣室軟(ruan)管(guan)(guan)、管(guan)(guan)路之間的連接(jie),拆(chai)下(xia)(xia)制(zhi)動氣室,拆(chai)下(xia)(xia)調整(zheng)臂總(zong)成(cheng);
4、拆(chai)除輪轂調整螺(luo)母(mu)鎖片緊固螺(luo)釘,取(qu)出鎖片用,專用套筒拆(chai)掉輪轂調整螺(luo)母(mu);稍稍轉動(dong)輪轂及制動(dong)鼓總成(cheng),用拉馬向外拉輪轂,同時在制動(dong)鼓上輕(qing)輕(qing)敲擊,以(yi)震松(song)外軸承內(nei)圈,待外軸承內(nei)圈松(song)動(dong)后,取(qu)下(xia)輪轂及制動(dong)鼓總成(cheng),但此時應注意(yi)(yi)該總成(cheng)重(zhong)量較重(zhong),不要摔(shuai)壞或砸傷人,同時要注意(yi)(yi)保(bao)護外軸承內(nei)圈不要摔(shuai)壞;
5、用(yong)拉馬拆(chai)(chai)出(chu)內軸(zhou)承(cheng)內圈總(zong)成(cheng)和油(you)封座(zuo)圈總(zong)成(cheng);用(yong)回(hui)位彈簧拆(chai)(chai)卸工(gong)具,拆(chai)(chai)下(xia)制(zhi)(zhi)動(dong)(dong)(dong)器(qi)回(hui)位彈簧,取(qu)下(xia)凸輪軸(zhou);用(yong)板(ban)手拆(chai)(chai)下(xia)制(zhi)(zhi)動(dong)(dong)(dong)器(qi)底(di)板(ban)緊固螺栓(shuan),取(qu)下(xia)制(zhi)(zhi)動(dong)(dong)(dong)器(qi)底(di)板(ban)帶蹄(ti)片及(ji)防塵(chen)罩(zhao)總(zong)成(cheng);拆(chai)(chai)下(xia)制(zhi)(zhi)動(dong)(dong)(dong)氣室(shi)支架(jia),拆(chai)(chai)下(xia)橋殼(ke)總(zong)成(cheng);
6、最后安裝拆卸的(de)反序安裝即可(ke)。
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