Husqvarna DC 900 Operator's Manual page 12

7. Start the motor for the rotating valves.
To stop the product
1. If you stop the product temporarily, stop only the fan
unit.
Note:
When the air compressor is on during a
short stop, the product cleans the primary filters.
WARNING:
air intake is closed during the product
cleaning cycle. If the air intake is not
closed, dust goes into the air. The dust
particles are dangerous to your health.
2. If you stop the product for more than 1 hour, stop the
fan unit and wait 30 minutes to let the product clean
the primary filters. Then do the steps that follow:
12
Make sure that the
a) Stop the motor for the rotating valves.
b) Stop the air compressor.
c) Disconnect the power plug from the power
supply.
d) Close the airflow hatch on the silencer.
To adjust the suction power
It is necessary to adjust the suction power for example
when the primary filters are new.
• Move the airflow hatches to adjust the suction
power.
a) For less suction power, decrease the opening.
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