Labconco Protector XLE Fume Hoods 9970801 - Manual (Page 26)

Chapter 5: Using Your Protector XLE
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Start-up
• Turn on fluorescent light and hood blower.
• Slowly raise the sash to the 18" sash height position.
• Check the baffle air slots for obstructions.
• Allow the hood to operate unobstructed for 5 minutes.
• Wear a long sleeved lab coat and rubber gloves. Use protective eyewear.
Wear a protective mask if appropriate.
Loading Materials and Equipment
• Lock the sash in the upper position to load materials. Do not overload the
hood.
• Do not obstruct the front air foil, or rear baffle slots.
• Large objects should not be placed close together and spaced above the
work surface to permit airflow to sweep under the equipment.
• After loading the hood, wait one minute to purge airborne contaminants
from the work area.
• Release sash stop and allow sash to return to the 18" opening.
Work Techniques
• Keep all materials at least 6 inches inside of the sash, and perform all
contaminated operations as far to the rear of the work area as possible.
• Segregate all clean and contaminated materials in the work area.
• Avoid using techniques or procedures that disrupt the airflow patterns of
the hood.
Final Purging
• Upon completion of work, the hood should be allowed to operate for two
to three minutes undisturbed, to purge airborne contaminants from the
work area before shutting down blower.
Unloading Materials and Equipment
• Objects in contact with contaminated material should be surface
decontaminated before removal from the hood.
• All open trays or containers should be covered before being removed from
the hood.
Shutdown
• Turn off the fluorescent light and hood blower, then close the sash.
Your Next Step
After you understand how to operate and work in the fume hood, you are ready to
proceed to Chapter 6: Maintaining Your Protector XLE.