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4 Doffing
Moisture can cause freezing problems even if the surrounding air is above freezing. Air flowing through the respirator
decreases from supplied pressure to close to atmospheric pressure very quickly. This causes the air to expand and creates
a cooling effect. Although the surrounding temperature may be warmer than 32°F (0°C), the temperature inside the
regulator may be lower.
4
Doffing
WARNING!
• If you are working in a contaminated atmosphere, or you are exposed to contaminants while in the work area, take
the proper precautions to decontaminate the facepiece and head harness before doffing the facepiece. You must
determine the potential risk and take the necessary precautions.
• Obey the decontamination and disposal procedures set by the applicable authorities.
• Do NOT examine the respirator before it is cleaned if there is a risk of exposure to contaminants.
• Never remove the facepiece except in a safe, non-hazardous, non-toxic atmosphere.
Failure to follow this warning can result in serious personal injury or death.
When protective equipment has been decontaminated, discard it as required by federal, state, and/ or local laws.
NOTE: When ready to leave the work area, proceed to an area not requiring respiratory protection. Remain connected to
the air-supply hose until this "safe" area is reached. Then remove the facepiece. The air-supply hose can then be
disconnected.
4.1
Removing the Regulator
WARNING!
If you are working in a contaminated atmosphere, or you are exposed to contaminants while in the work area, take the
proper precautions to decontaminate the facepiece and head harness before doffing the facepiece. You must determine
the potential risk and take the necessary precautions.
Failure to follow this warning can result in serious personal injury or death.
NOTE: When ready to leave the work area, proceed to an area not requiring respiratory protection. Remain connected to
the air-supply hose until this "safe" area is reached. Then remove the facepiece. The air-supply hose can then be
disconnected.
4.1.1
Removing the Firehawk Regulator - Slide-To-Connect
WARNING!
Do NOT use a Firehawk slide-to-connect regulator with an Advantage 4000 Facepiece or a G1 Facepiece.
Failure to follow this warning can result in serious personal injury or death.
16
1. Grasp the top of the regulator.
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