After the fan has been in use for a period of time, there may be a phenomenon that the air volume will become smaller and cannot meet the requirements of the customers. At this time, how to solve the problem of insufficient air flow of fan?
1, open the valve.
2, replace the suction duct and install the variable interface.
3, adjust pulley center distance, tension belt.
4, check the power switch two-phase connection.
5. Replace the fan with large air volume.
6. Clean the impeller.
7. Seal the interface with film or glass glue.