Nilfisk-Advance ATTIX 33-01 IC, Руководство по обслуживанию

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Function
Even with extremely fine dust the automatic filter cleaning function allows you to work constantly
with the same suction performance without having to manually clean the filter.
A powerful reversed air pulse is activated every 15 second keeping the air flow on a high level. The
air pulse is created by a solenoid connected to a piston with double
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valve. When the valve is
opened a pulse is created by difference in pressure between outside and inside of container (dirty
side of filter). The negative pressure is reduced very quickly and a reversed air pulse flows through
the filter. The dirt adhered to the filter is blown and shaken off, causing it to fall back into the tank.
InfiniClean
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Automatic filter cleaning system
Double valve system Solenoid actuator