Labconco Protector Pass-Through Laboratory Fume Hoods 1136 Series - Manuel (Page 30)

Chapter 5: Using Your Protector Pass-Through
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Original instructions
Working in your Protector Fume Hood
Planning

Thoroughly understand procedures and equipment required before
beginning work.

Arrange for minimal disruptions, such as room traffic or entry into the
room while the hood is in use.
Start-up

Turn on fluorescent light and hood blower.

Slowly raise the sash.

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

Only load the materials required for the procedure. 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.
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.