3. Assemble the filters in the filter cassettes and close firmly so that leakage around the filter will not
occur. Place a plug in each opening of the filter cassette.
4. Remove the cyclone’s grit cap before use and inspect the cyclone interior. If the inside is visibly
scored, discard this cyclone since the dust separation characteristics of the cyclone may be altered.
Clean the interior of the cyclone to prevent reentrainment of large particles.
5. Assemble the sampler head. Check alignment of filter holder and cyclone in the sampling head to
prevent leakage