Camshaft - Remove
拆卸步骤
开始:
- 拆卸挺杆总成。 请参阅拆解和组装, "挺杆总成 - 拆卸和安装"。
- 拆下前盖。 请参阅拆解和组装, "前盖 - 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。 |
- 转动曲轴至 1 缸活塞压缩行程的上止点。 在飞轮中安装正时螺栓。 这用于安装正时。
- 确保以下齿轮上的正时标记间对齐：凸轮轴驱动齿轮, 惰轮 和 曲轴齿轮。
- 用铁丝将气门挺杆与凸轮轴分离。
注: 为了拆下凸轮轴，没有必要拆卸缸盖。
- 将两条螺栓 (3) 和凸轮轴挡板 (2) 从凸轮轴齿轮 (1) 上拆下。
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| 图 1 | g00640035 |
- 将凸轮轴 (4) 从缸体上拆下。
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| 图 2 | g00640030 |
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