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(qiao)殼下(xia)部的放油螺(luo)塞擰下(xia),放出橋(qiao)殼的潤滑油;拆下(xia)主動錐齒(chi)輪凸(tu)緣(yuan)與(yu)傳動軸的連接螺(luo)栓;
2、半(ban)(ban)(ban)軸(zhou)(zhou)的拆(chai)卸。拆(chai)卸前,應將(jiang)前輪(lun)用(yong)掩木掩住(zhu),松(song)開(kai)駐車制動器。拆(chai)卸時,松(song)開(kai)并擰(ning)下全(quan)部(bu)半(ban)(ban)(ban)軸(zhou)(zhou)緊(jin)固螺(luo)母及墊圈;用(yong)銅錘輕輕打擊半(ban)(ban)(ban)軸(zhou)(zhou)尾部(bu)中央2至(zhi)3下,使半(ban)(ban)(ban)軸(zhou)(zhou)法蘭(lan)(lan)面與輪(lun)轂連接面分離后(hou),用(yong)手(shou)拉半(ban)(ban)(ban)軸(zhou)(zhou)法蘭(lan)(lan),即(ji)可將(jiang)半(ban)(ban)(ban)軸(zhou)(zhou)抽出(chu)。注(zhu)意(yi)在半(ban)(ban)(ban)軸(zhou)(zhou)花(hua)鍵部(bu)分即(ji)將(jiang)通過油封時,要用(yong)手(shou)托住(zhu)半(ban)(ban)(ban)軸(zhou)(zhou)桿部(bu),并緩緩轉動半(ban)(ban)(ban)軸(zhou)(zhou),使半(ban)(ban)(ban)軸(zhou)(zhou)并行移出(chu),不(bu)致將(jiang)半(ban)(ban)(ban)軸(zhou)(zhou)油封損壞,也預(yu)防半(ban)(ban)(ban)軸(zhou)(zhou)掉地扎傷(shang)人;
3、主減(jian)速器(qi)總成的拆(chai)卸:卸下后制動軟管(guan)與三(san)通接頭;用小車(che),將(jiang)減(jian)速器(qi)殼(ke)支(zhi)承好,拆(chai)下減(jian)速器(qi)殼(ke)與后橋(qiao)連(lian)接的12個螺栓,將(jiang)減(jian)速器(qi)總成從橋(qiao)殼(ke)上取下;斷(duan)開(kai)制動氣室軟管(guan)、管(guan)路之(zhi)間的連(lian)接,拆(chai)下制動氣室,拆(chai)下調(diao)整臂總成;
4、拆除輪(lun)轂(gu)調(diao)整螺母鎖片緊(jin)固螺釘,取出鎖片用(yong),專用(yong)套筒拆掉輪(lun)轂(gu)調(diao)整螺母;稍稍轉(zhuan)動(dong)輪(lun)轂(gu)及(ji)制動(dong)鼓總成,用(yong)拉(la)(la)馬向外拉(la)(la)輪(lun)轂(gu),同(tong)(tong)時(shi)在制動(dong)鼓上(shang)輕(qing)輕(qing)敲擊,以震(zhen)松外軸(zhou)承內(nei)圈,待外軸(zhou)承內(nei)圈松動(dong)后,取下(xia)輪(lun)轂(gu)及(ji)制動(dong)鼓總成,但此時(shi)應(ying)注(zhu)(zhu)意該總成重(zhong)量較重(zhong),不要摔壞(huai)或砸(za)傷人(ren),同(tong)(tong)時(shi)要注(zhu)(zhu)意保護外軸(zhou)承內(nei)圈不要摔壞(huai);
5、用拉馬拆(chai)(chai)出內軸承內圈總(zong)成(cheng)和油封座圈總(zong)成(cheng);用回位彈簧拆(chai)(chai)卸(xie)工具,拆(chai)(chai)下制(zhi)(zhi)動(dong)器回位彈簧,取(qu)下凸輪軸;用板手拆(chai)(chai)下制(zhi)(zhi)動(dong)器底(di)板緊固螺栓,取(qu)下制(zhi)(zhi)動(dong)器底(di)板帶蹄(ti)片及防(fang)塵罩(zhao)總(zong)成(cheng);拆(chai)(chai)下制(zhi)(zhi)動(dong)氣室支架(jia),拆(chai)(chai)下橋(qiao)殼(ke)總(zong)成(cheng);
6、最后安裝拆卸(xie)的反序安裝即(ji)可。
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