Crankshaft Main Bearings - Remove
拆卸步骤
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所需工具     | |||
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工具     | 零件号     | 零件描述     | 数量     |
A     | 2P-5518     | 轴承工具     | 1     |
开始:
- 拆卸发动机机油泵。 请参阅拆解和组装, "发动机机油泵 - 拆卸"。
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注意 |
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保持所有零件清洁无杂质。 杂质会造成快速磨损和缩短部件寿命。 |
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注意 |
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在检验、保养、测试、调整及维修产品时,务必留心,确保液体盛装在容器中。 在打开任何腔室或拆解任何储有液体的部件之前,要准备好用合适的容器收集液体。 有关适合收集和盛接卡特彼勒产品上液体的工具及用品,参考专门出版物, NENG2500, "卡特彼勒工具和修理车间设备指南"。 按照当地法规和指令处置所有液体。 |
- 检查主轴承盖以确认其位置是否正确,并同时检查缸体相关的主轴承盖方向。 主轴承盖必须安装到原来位置并保持原来方向。
- 拆下 2 号至 6 号主轴承盖 (1) 。 从 4 号主轴承上拆下止推片。
注: 安装好 2 号 至 6 号主轴承盖 (1) 后, 拆下 1 号和 7 号主轴承盖。
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图 1 | g00503084 |
- 将工具 (A) 插入曲轴油孔 (2) 中,拆下主轴承的上轴瓦。 沿着将拆下主轴承上轴瓦的方向转动曲轴。
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图 2 | g00503174 |
注: 如果曲轴转动方向错误,那么就会把轴承上的凸舌推到曲轴和缸体轴承区域之间。 这样会导致缸体和 / 或曲轴的损坏。 旋转曲轴,将曲轴凸舌转出曲轴。
- 从主轴承盖中拆下主轴承的下轴瓦。
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