LC ptg 平头哥接杯更换 差速油更换 顺带更换后轮座
入手ptg刚好一个月，十几排电下地，损耗一套原厂胎和第三方菠萝胎。场地还不错，都是广场砖地和柏油沥青地面，中抓到中高抓大概7：3开。拉力车硬是被我开成了漂移车https://app.rcfans.com/public/emotion/face_046.png，所以接杯损耗很快跟开车的手法有很大关系。之前接杯损耗一直没有在意，直到昨天全功率漂移的时候，突然到咔咔的声音，明显有有传动卡滞，cvd估计损伤了，后来又发现左后轮座拉杆螺丝孔位直接被撕裂了https://app.rcfans.com/public/emotion/face_048.png，晕死。http://image.rcfans.com/pic/20210919/163204870691037_248.jpg?x-oss-process=image/watermark,image_cGljLzIwMjAwNzIxL29zc18xNTk1MzM4ODExNTY2XzIzMl8xMThfMzI2LnBuZw==,t_50,g_se,x_20,y_20
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没办法，只能更换差速接杯了。顺便一起更换前后差速油。其实前差速接杯基本没有什么磨损，主要是后轴的磨损特别大，各位车友谁能解释一下？https://app.rcfans.com/public/emotion/face_085.png毕竟刚入坑，没啥经验，看了几遍说明书，就硬着头皮上了。二楼板、避震、拉杆、波箱，大概就这么个顺序。后波箱、前波箱里面好多蓝色润滑脂。
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前后波箱开膛破肚以后，差速器露出真面目。按部就班一个个的拆解。接杯轴承由于接杯磨损导致表面不规则凸起，轴承拔不出来，用锉刀锉平就可以顺利拔下来。
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差速器所有零件清洁干净以后就可以罐装差速油了。咨询了几个玩家，如果想车子更容易漂，可以用标号高一点的差速油。原厂配置是前后3000，我这次用前10000，后5000试试。差速油不能加多了，官方解释是由于差速器在工作过程会发热，如果加多了会因为受热膨胀而漏油，只要刚刚没过十字轴即可，当然前提是每次加一点，充分活动后再静置一段时间，反复几次就会加的比较准确，类似换避震油。差速油密封垫也要一并更换。换完以后干干净净，强迫症患者表示很满意。
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后面就是按顺序复原，并且更换后轮座，就不详细介绍了。趁着这次换接杯，顺便做了整车清洁，重点清洗了波箱附近的油泥。推荐一个神器，化油器清洗剂也叫节气门清洗剂，清洁油泥特别好用，溶解油泥高压喷走一气呵成，没有残留，不用范围拆车，即可清洁到位。清洁以后感觉焕然一新https://app.rcfans.com/public/emotion/face_049.png
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换下来的接杯，后接杯跟前接杯对比，差距好大，到底是什么原因请高手不吝赐教。
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原车旧接杯跟新换接杯对比。cvd抗磨油没有涂，说是容易粘灰，涂了一点点润滑脂代替。啰啰嗦嗦这么多，一点点经验跟大家分享。
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前后差速换一下，都不用拆，就可以继续用。再坏再拆，左右掉个。随便一百就省出来了。 因为后轮负载比前轮大很多 把后轮接杯左右掉过来装可以不？ Kim黄 发表于 2021-09-20 12:07
把后轮接杯左右掉过来装可以不？
应该可以吧，我没试过。最简单的办法是前后差互换 我以前跑lc 1/14越野，就是把左右调换一下继续用 不漂移的拉力还能叫拉力吗？ 这个化油器清洗剂会不会对塑胶件产生损伤https://app.rcfans.com/public/emotion/face_042.png 原车差速器里面有油吗？ TTTTT 发表于 2021-09-26 17:54
原车差速器里面有油吗？
有啊https://app.rcfans.com/public/emotion/face_029.png
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