Chapter 3: Theory of Operation & Safety Precautions
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6
Blower
The blower assembly pulls air out of the clear chamber, through the filter,
and then exhausts it out of the system.
Safety Precautions
Always wear appropriate personnel protective equipment (PPE), such as
protective eyewear and gloves when handling CA, its byproducts or
residue.
CA fumes irritate sensitive membranes in the eyes, nose and throat. They
are immediately polymerized by the moisture in the membranes and
become inert. These risks can be minimized by using CA in well ventilated
areas.
About 5% of the population can become sensitized to CA fumes after
repeated exposure, resulting in flu-like symptoms. It may also act as a skin
irritant and may cause an allergic skin reaction. On rare occasions
inhalation may trigger asthma.
Applying cyanoacrylate to materials made of cotton or wool (such as
cotton swabs, cotton balls, and certain yarns or fabrics) results in a
powerful, rapid exothermic reaction. The heat released may cause minor
burns, and if enough cyanoacrylate is used, the reaction is capable of
igniting the cotton product, as well as releasing irritating vapor in the form
of white smoke. Material Safety Data Sheets for cyanoacrylate instruct
users not to wear cotton or wool clothing, especially cotton gloves, when
applying or handling cyanoacrylates.
Recommended solvents for removing polycyanoacrylate residue from the
metallic surfaces of the Fuming System include:
Acetone - Commonly found in nail polish remover.
Nitromethane
Dimethyl sulfoxide
Gamma-butyrolactone
– Effective and has low toxicity.
NEVER use these chemicals to remove CA or its residue from the eyes or
sensitive mucous membranes. Seek medical attention if needed. NEVER
use these chemicals to remove CA or its residue from the clear chamber,
as they will damage the plastic.
Ensure that the system is connected to electrical service in accordance
with local and national electrical codes. Failure to do so may create a fire
or electrical hazard. Do not remove or service any electrical components
without first disconnecting the unit from electrical service.
