1. Check the automatic drain valve on the front filter before each day.

2. Check that the action of changing tower and boost is normal.

3. Check operating conditions, inlet pressure, inlet temperature and air flow.

4. Check the moisture indicator, blue for dry, pink for moisture.

5. Check the muffler is dirty, the regeneration tower back to the pressure is too large that the muffler to be replaced.

6. Check the pre-filter and post-filter pressure drop, if the pressure drop more than 0.5bar, replace the filter.