13
13
Nilfisk
ALTO
D
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.
To make it possible to clean the filter during cleaning work, the filter has been divided into two
halves by means of two side seals on the filter holder. The cleaner sucks in dirt through
one side while the other side is being cleaned by a blast of air from the inside to the outside.
One solenoid valve (pos 1.) and the the servo motor (pos.2 ) control ( every 30 sec.) the suction
air stream and the blast of air to clean the filter.
Aut. Cleaning function.
Pos.1
Pos.2
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