当过滤室脏后，其清洗是在原位上进行的。
When the filter room is dirty, cleaning is carried out on its original place.
清洗范围包括过滤室，过滤元件，过滤室与转向阀之间的熔体管道，以及转向阀通道。
The cleaning scope includes filter room, filter sensor, melt pipe between the filter room and deflecting valve, the deflecting valve passage.
打开净化器过滤室门，将活性炭或玉米芯等过滤介质添满过滤室，关严门子，检查门子的气密性。
Open the door of room of filter, and fill it with filtration medium (active carbon or maize core etc). Close the door tightly and examine airproof of the door.
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