The maintenance of Filter
1、Bag and support of  Filter;
2、Oil quantity and dropping speed in Air treatment Unit;
3、Sealing condition of Filter;
4、Tension of motor V-belt of Exhauster Fan;
5、Impeller condition of  Exhauster Fan;
6、Oil level and oil quality of hydraulic coupler(Direct On Line);
7、the inverter control cabin(Inverter Control);
8、Bearing condition of  Exhauster Fan;

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