Roof ventilator is a kind of ventilation and ventilation equipment widely used on the roof. What should be paid attention to in daily maintenance?
1.Using the adjusting device, the triangle tape is always kept evenly and tightly. It should not be too loose or too tight. The length of several triangle tapes should be the same.
2. For unused standby machines or fans that have been inactive for a long time, the rotor should be rotated 120 ° -180 ° regularly to prevent the main shaft from bending. Add a valve to the inlet or outlet of the unpowered fan on the roof, close it at startup, and open the valve after operation until it reaches the specified working condition, and the inner ring and the shaft are tight.
3. In order to ensure personal safety, maintenance of roofless unpowered fans must be carried out during shutdown.
4. Under normal circumstances, the unpowered fan runs continuously for about one month, and the bearing must be filled with calcium-sodium-based grease or molybdenum disulfide grease using a butter platform. The fan runs continuously for 3-6 months, and the grease should be replaced once. It is advisable to fill 2/3 of the bearing space.
5, regular maintenance of unpowered fans to eliminate dust and dirt inside the fans.
6. When the unpowered fan is turned on, stopped or running, if abnormal conditions are found, including temperature, vibration, noise, etc., it should be immediately repaired.
Although the roof ventilator is a kind of equipment that operates without electricity, it still pays attention to its maintenance work in daily use.