Closed Crankcase Ventilation (CCV) Fumes Disposal Filter - Replace
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图 1 | g01294089 |
闭式曲轴箱通风(CCV)系统的典型实例 (1) 到进气系统的回路 (2) 来自曲轴箱通气孔的烟雾 (3) 排放到曲轴箱的机油 |
闭式曲轴箱通风(CCV)系统需要更换烟雾处理滤清器。 CCV 的使用周期将会受下列各项的影响:
- 发动机的负载
- 烟尘浓度
- 发动机状况
CCV 配备一个保养指示器。 如果烟雾处理滤清器在正常保养周期之前堵塞,滤清器阻力升高,将导致真空度为正。 当压力继续升高时,保养指示器将会通过盖进行指示。 保养指示器指示需要更换烟雾处理滤清器。 使用下列步骤,进行保养指示器复位:
复位保养指示器
- 卸下塑料盖 (4) 。
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图 2 | g01292899 |
- 推下保养指示器 (5) 。
- 更换盖 (4) 。
- 使用下列步骤,进行烟雾处理滤清器更换:
更换烟雾处理滤清器
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热油和热的部件可能会导致人员受伤。 不要让热的油和部件接触皮肤。 |
注: 可能的话,在关闭发动机的同时进行保养。
- 松开将碳罐固定在滤清器座组件 (6) 上的卡销 (7) 。
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图 3 | g01292905 |
- 降下碳罐,以便露出滤芯。 碳罐底部可能会有机油。 避免机油溅出。
注: 发动机运转过程中可能很难拆卸碳罐 (8) 。 发动机运转过程中碳罐有负气压。 这会产生真空度。
- 向下拉滤芯,卸下滤芯。 妥善处理旧滤芯。
- 卸下旧滤芯顶端盖上的 O 形密封圈组件。
- 更换滤清器座组件底部的 O 形密封圈。
- 将新的 O 形密封圈安装在滤芯顶端盖上。 将滤芯安装到正确的位置。
- 更换碳罐,对准碳罐与滤清器座组件上的凸台。
- 将卡销夹紧在闭合位置。
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