Fumes Disposal System
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| 图 1 | g03041739 |
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(1) 到进气系统的回路
(2) 底座组件 (3) 来自曲轴箱通气孔的烟雾 (4) 滤罐（滤清器） (5) 排放到曲轴箱的机油 (6) 锁扣 | |
该发动机配备有用于捕获烟雾的闭式曲轴箱通风系统 (CCV)。 来自曲轴箱的烟雾通过曲轴箱呼吸器离开发动机。 来自曲轴箱的烟雾收集在滤清器底座中。 发动机机油在滤清器底座中从曲轴箱的烟雾中分离出来。 发动机机油收集在滤清器底座中，并通过滤清器底座底部的回油管排回曲轴箱。 来自曲轴箱的烟雾被引导回空气滤清器组件，以便由发动机消耗。
较高的曲轴箱压力易于形成机油泄漏。 CCV 滤清器底座有一个维修指示灯，指示何时需要更换滤清器。 如果滤清器堵塞，发动机将不能释放曲轴箱压力。 发动机将会形成外部机油泄漏。 有关更多信息，请参阅操作和保养手册, "闭式曲轴箱通风 (CCV) 烟气排放滤清器 - 更换"。
Caterpillar Information System:
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