Maintenance steps and methods for air filters above GA90

Maintenance steps and methods for air filters above GA90

1. Stop the unit and press the emergency button.

2. Clean the surface of the air filter housing.

3. Remove the lock nut and washer from the screw rod.

4. Take out the air filter.

5. Use a clean rag to remove the dust inside the air filter housing.

6. Remove the gloves and take out the new air filter.

7. Check for damage to the surface of the air filter.

8. Check if there are other items inside the air filter.

9. Use clean hands to install the air filter on the screw rod of the air filter seat.

10. Install the gasket and the nut. When the nut is installed close to the air filter, shake the air filter with your left hand to ensure that the air filter is installed in the normal position (avoid installing diagonally).

11. Tighten the nut but not too strong to prevent the screw connecting shell from cracking.