The ventilator shall carry out the following maintenance and inspection work on a regular basis
1 Fan running continuously 3-6 months, a rolling bearing inspection, check roller and raceway surface contact and inner ring fit tightness.
2 The fan continuously runs for 3-6 months, and the grease is replaced to fill the 2/3 of the bearing space.
3 The fan shall be regularly maintained and maintained to eliminate the dust, dirt, etc. inside the fan.
4 Check the accuracy and sensitivity of various instruments.
5 For unused standby fans or fans with long downtime, the rotor should be rotated 120 °- 180 ° on a regular basis so as not to bend the spindle.