Regularly check the filter into the wind with and without sundry congestion, filter material surface without damage; If there are any items plug surface, should clear; Filter material surface is seriously damaged, it must be replaced a new filter material or replace a new filter to installation; Filter installed, to ensure that the pressure side with the box body sealing is good, in order to prevent the air leak; Do not use the weight to hit the surface of the filter, do not make an effort to pull the filter of the surface of the filter material; When installation, should make the filter length direction is perpendicular to the ground, then observe to ensure the filtering effect of air supply and increase the service life. |