Closed Crankcase Ventilation (CCV) Fumes Disposal Filter - Replace
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| 图 1 | g01637466 |
(1) 曲轴箱通气装置 (2) 烟雾处理滤清器座和滤清器 (3) 空气滤清器 | |
CCV（Closed Crankcase Ventilation，闭式曲轴箱通风）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
- 烟炱浓度
- 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
- 取下塑料盖。
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| 图 2 | g01292899 |
(4) 塑料盖 (5) 保养指示器 | |
- 按下保养指示器。
- 更换此盖。
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总成上的卡销。
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| 图 3 | g01938796 |
(6) 滤清器座组件 (7) 卡销 (8) 碳罐 | |
- 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: 在发动机运转过程中，可能难以拆卸碳罐。 发动机运转时会形成真空，使碳罐中产生空气负压。
- 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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