PROFECO 42670 Instruction Manual page 22

E. Blow function
1. Insert the end of the plastic hose into the blower and turn it clockwise to lock.
2. Turn on the hoover to start the blower.
F. Filter cleaning function
When cleaning thick dust in the garden, workshop, newly decorated room, the
filters easily get clogged. In this case, press the filter cleaning button on the back
of the unit (with your finger or the spray gun) for several times, and the suction will
recover for a while. Meanwhile when blocking the suction port, it will be more
effective.
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