Labconco TXE Tall XPerEnclosure 3892022 - Manual (Page 22)

Chapter 4: Performance Features and Safety Precautions
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24. If a chemical, powder or particulates are spilled on the work surface, DO
NOT switch off the blower until all traces have been removed.
25. Tag enclosures with appropriate warning, if filters have been removed for
service.
26. If the blower fails during use, processes should cease and the area should
be vacated and ventilated.