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MJS Half Facepiece Respirators Manual


MJS Half Facepiece Respirators Manual Image

3M Half Facepiece Respirators

Wearing your elastomeric half facepiece respirator.

1. Place the respirator over your nose and mouth with bottom straps unfastened.

2. Pull the top strap over your head, placing the head cradle on the crown of your head.

Pull the top strap

3. Hook the bottom straps together behind your neck.

4. Adjust strap tension to achieve a secure fit.

Check the seal of your elastomeric half facepiece respirator each time you don the respirator.

1. Positive Pressure User Seal Check


Place the palm of your hand over the exhalation valve cover and exhale gently. The facepiece should bulge slightly. If air leaks between the face and the faceseal of the respirator, reposition it and adjust the straps for a more secure seal. If you cannot achieve a proper seal, do not enter the contaminated area.
See your supervisor.

2. Negative Pressure User Seal Check

Place your thumbs over the center of the filters and inhale gently. The respirator should collapse slightly. If air leaks between the face and the face seal of the respirator, reposition it and adjust the straps for a more secure seal. If you cannot achieve a proper seal, do not enter the contaminated area. See your supervisor.

Place the palms of your hands  over the cartridges and inhale gently. The facepiece should collapse slightly. If air leaks between the face and the faceseal of the respirator, reposition it and adjust the straps for a more secure seal. If you cannot achieve a proper seal, do not enter the contaminated area. See your supervisor.

WARNING

These respirators help reduce exposure to certain airborne contaminants. Misuse may result in sickness or death. Before use, the wearer must read and understand User Instructions provided as a part of product packaging. Time use limitations may apply.

For proper use, see package instructions, supervisor or call 3M OH&ESD Technical Service in U.S.A., 1-800-243-4630. In Canada, call 1-800-267-4414.

Important

Before using these respirators, you must determine the following:

  1. The type of contaminant(s) for which the respirator is being selected.
  2. The concentration level of contaminant(s).
  3. Whether the respirator can be properly fitted on the wearer’s face. Do not use with beards, on other facial hair, or other conditions that prevent a good seal between the face and the faceseal of the respirator.
  4. Before use of these respirators, a written respiratory protection program must be implemented, meeting all the requirements of OSHA 29 CFR 1910.134, including training, medical evaluation and fit testing.

For more information, please contact:

3M Occupational Health and Environmental Safety Division (OH&ESD)

In the U.S., contact:
Sales Assistance: 1-800-896-4223
Technical Assistance: 1-800-243-4630
Fax On Demand: 1-800-646-1655
Internet: http://www.3M.com/occsafety
For other 3M products: 1-800-3M HELPS
In Canada, contact:
3M Canada Company, OH&ESD
P.O. Box 5757
London, Ontario N6A 4T1
Sales Assistance: 1-800-265-1840, ext. 6137
Technical Assistance (Canada only): 1-800-267-4414
Fax On Demand: 1-800-646-1655
Internet: http://www.3M.com/CA/occsafety
Technical Assistance In Mexico
01-800-712-0646
5270-2255, 5270-2119 (Mexico City only)
Technical Assistance In Brazil
0800-132333
Fax On Demand O.U.S. Locations
1-651-732-6530

3M
General Offices
3M Center
St. Paul, MN 55144-1000