1. Open the fastening latches, remove the cover and dust deflector.
2. Unscrew the wing nut and remove the filter element from the housing.
3. Visually check the contamination, integrity and oiliness of the filter element. Replace filter element if necessary.
4. Clean the filter element with compressed air. First, carefully blow the element from the inside. Then blow on the outside of the filter element.
Note: Do not hit or drop the filter element.
5. When installing the filter, align the tabs on the cover and dust extractor with the groove on the filter body.