With the rapid development of social economy, it is not difficult to find the application of smoke exhaust fans in civil high-rise buildings, highway tunnels and underground garages. When we install smoke exhaust fans, we usually arrange them in the same or upper level of the smoke exhaust area. Because they are installed outdoors, it is very important to clean up the smoke exhaust fans, but few people can do this daily cleaning and maintenance. After all, this cleaning is not very convenient, but it can prolong the service life of the smoke exhaust fans. Here we go. Talk about the daily cleaning of smoke exhaust fans. I hope it will be helpful to you.
Disconnect the main power supply and hang the "No Closing" sign to check whether the grounding wire of the motor is good. We should adjust the belt tightness of the fire exhaust fan and move the wind wheel by hand to investigate whether the change is stable. Clean motor and wind wheel, filter and casing. Paint drops should be repaired. In order to ensure the sensitivity and stability of the coupling and bearing, lubricating oil is added to the changing part of the fire exhaust fan. Fire exhaust fan checks whether the mechanical opening and closing action of the control valve is reliable and sensitive, and the opening and closing point of view is clear. Fire exhaust fan to check and replace gaskets and sealing fillers between the joints, we must do a good job of adding these gaskets and sealing fillers. Fire exhaust fan can start manually to check the operation of indicator lamp, current and voltmeter, check whether they are normal, and check whether the components of the fan work abnormally, whether the three-phase current value is balanced.