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Many fan designs incorporate a filter attachment, which cleans the incoming stream of air.
These filters, when installed, act as a guard in that they block access to the fan's rotating blades.
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The power supply to the fan must be shut off, and then locked out before removing the filter. Should the filter be removed, it must be replaced before re-starting the fan.
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A safety label is attached to the fan housing to remind operation and/or maintenance personnel to install the filter before operating the fan. Should this label become defaced or destroyed, please replace it using Kason part No. 044-20.
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