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后橋總成簡介

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 

后橋總成/前橋總成安裝方法

1、將橋(qiao)殼下(xia)部(bu)的放油螺塞擰(ning)下(xia)，放出(chu)橋(qiao)殼的潤滑油；拆下(xia)主動錐齒輪凸緣(yuan)與傳動軸(zhou)的連接螺栓；

2、半(ban)(ban)(ban)(ban)(ban)軸(zhou)的拆(chai)卸。拆(chai)卸前，應將前輪(lun)用(yong)(yong)掩木掩住(zhu)(zhu)，松(song)(song)開駐車制動器。拆(chai)卸時，松(song)(song)開并(bing)擰下全部半(ban)(ban)(ban)(ban)(ban)軸(zhou)緊固螺母及(ji)墊圈；用(yong)(yong)銅錘(chui)輕(qing)輕(qing)打擊半(ban)(ban)(ban)(ban)(ban)軸(zhou)尾部中(zhong)央2至3下，使半(ban)(ban)(ban)(ban)(ban)軸(zhou)法蘭(lan)面(mian)與輪(lun)轂連接面(mian)分離后，用(yong)(yong)手拉半(ban)(ban)(ban)(ban)(ban)軸(zhou)法蘭(lan)，即可將半(ban)(ban)(ban)(ban)(ban)軸(zhou)抽出(chu)。注意(yi)在半(ban)(ban)(ban)(ban)(ban)軸(zhou)花鍵部分即將通過油封時，要(yao)用(yong)(yong)手托住(zhu)(zhu)半(ban)(ban)(ban)(ban)(ban)軸(zhou)桿部，并(bing)緩緩轉動半(ban)(ban)(ban)(ban)(ban)軸(zhou)，使半(ban)(ban)(ban)(ban)(ban)軸(zhou)并(bing)行移出(chu)，不致將半(ban)(ban)(ban)(ban)(ban)軸(zhou)油封損(sun)壞，也(ye)預(yu)防半(ban)(ban)(ban)(ban)(ban)軸(zhou)掉地扎傷人；

3、主減速(su)(su)(su)器(qi)總成的拆(chai)卸：卸下(xia)(xia)后制動(dong)軟管與(yu)三通接頭；用(yong)小車(che)，將減速(su)(su)(su)器(qi)殼支(zhi)承好，拆(chai)下(xia)(xia)減速(su)(su)(su)器(qi)殼與(yu)后橋連(lian)接的12個螺栓，將減速(su)(su)(su)器(qi)總成從橋殼上取下(xia)(xia)；斷開制動(dong)氣室(shi)軟管、管路之間的連(lian)接，拆(chai)下(xia)(xia)制動(dong)氣室(shi)，拆(chai)下(xia)(xia)調整臂總成；

4、拆(chai)除輪轂調整螺母鎖片緊(jin)固螺釘，取出鎖片用(yong)，專用(yong)套(tao)筒拆(chai)掉輪轂調整螺母；稍稍轉(zhuan)動(dong)輪轂及制(zhi)動(dong)鼓(gu)總(zong)成，用(yong)拉馬向外(wai)拉輪轂，同時(shi)在制(zhi)動(dong)鼓(gu)上(shang)輕(qing)(qing)輕(qing)(qing)敲擊，以震(zhen)松外(wai)軸承內圈(quan)(quan)，待(dai)外(wai)軸承內圈(quan)(quan)松動(dong)后，取下輪轂及制(zhi)動(dong)鼓(gu)總(zong)成，但此時(shi)應注意(yi)該總(zong)成重量較重，不要摔壞或砸傷人，同時(shi)要注意(yi)保護(hu)外(wai)軸承內圈(quan)(quan)不要摔壞；

5、用拉馬拆出內(nei)軸承內(nei)圈總成(cheng)和(he)油封座(zuo)圈總成(cheng)；用回位彈簧(huang)拆卸工具，拆下(xia)(xia)制動(dong)(dong)器(qi)回位彈簧(huang)，取下(xia)(xia)凸輪軸；用板(ban)手拆下(xia)(xia)制動(dong)(dong)器(qi)底板(ban)緊固螺栓(shuan)，取下(xia)(xia)制動(dong)(dong)器(qi)底板(ban)帶蹄片(pian)及防塵罩總成(cheng)；拆下(xia)(xia)制動(dong)(dong)氣室支架，拆下(xia)(xia)橋(qiao)殼總成(cheng)；

6、最后(hou)安裝拆卸的反序安裝即可。

雷克薩斯IS簡介