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Cleaning and Changing Filters
Use the Airflow Readout to Determine Filter Cleaning
The digital readout on the front of the machine indicates the airflow volume in cubic feet per
minute (CFM). When the machine is first turned on, the reading should be at least 3500.
As the filters get loaded with dust, the airflow reading will decrease. At approx 2500 cfm, the
yellow light will come on and the machine will shut down. This means that the filters must be
cleaned.
After several months of use, the reading may be down by 500 cfm (or more) from the original
reading, even after vacuum cleaning. It will then be necessary to pressure wash the pleated intake
filters.
Filter warning light
The yellow LED under the digital airflow gauge will illuminate if, when the Duster is operating,
the airflow drops below 2500 cfm. The Duster will then shutdown and the filters must be cleaned.
Filter Cleaning
Intake filters and Dust pads
The intake filters must be cleaned regularly to maintain airflow.
Frequent cleaning before the Duster 3000FC shuts down (see Filter warning light) will prolong
filter life.
1. Turn off the Duster 3000.
2. Vacuum green pads.
3. Remove green pads and vacuum
white pleated filter.
4. Reinstall the green pads.
Chapter 10 - Maintaining the Duster 3000FC Air Filtration System
Cleaning and Changing Filters
201
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Troubleshooting
