Visual Examinations; All Components; Facepiece - MSA G1 Operating Manual

4 Visual Examinations

3.1.1 Quantitative Test
For use in a CBRN application, a fit factor of at least 2000, based on ambient aerosol fit test methods or equivalent, is
necessary before any type of respirator is assigned to an individual.
3.1.2 Qualitative Test
Only validated protocols are acceptable. The respirator must pass a test designed to assess a fit factor of at least 2000.
4 Visual Examinations
WARNING!
• Do NOT examine the respirator before it is decontaminated, cleaned, and disinfected if there is a risk of exposure to
contaminants. Obey the applicable decontamination procedures, clean and disinfect the respirator, then examine it.
• If the respirator shows any of the conditions listed in
and return it to an MSA trained repair technician.
• Do NOT substitute, modify, add, or omit parts. Use only exact replacement parts in the configuration specified by MSA.
Failure to follow these warnings can result in serious personal injury or death.
Do a visual inspection upon receipt, and before and after each use.
Examine the entire respirator after it is decontaminated, cleaned and disinfected.
4.1

All Components

Examine all components for deterioration, dirt, cracks, debris, tears, holes, stickiness, heat- or chemical-related damage, or
other signs of damage.
Make sure that the respirator is complete and assembled correctly. Refer to
Do all of the following component-specific inspections.
4.2

Facepiece

Examine the lens for cracks, scratches, deformation, or color changes.
Make sure that the facepiece rubber has a tight seal and is attached to the lens ring tightly.
Make sure that the exhalation valve is clean and operates easily. Make sure that the valve moves off the seat and returns
when released (from inside the facepiece).
Examine the facepiece inlet for damage. Make sure that the inhalation valve is in position.
Examine the nosecup to make sure that the check valves or air guides are in position. Make sure that the nosecup is attached
to the component housing tightly.
Examine the nosecup, inhalation port, inhalation valves, exhalation valves, and exhalation port for dust, Kevlar fibers, and
other debris. If necessary, refer to
Make sure that the straps for the head harness are not torn, cut, worn, fraying, or missing buckles.
Section 4 Visual
10 Cleaning and Disinfecting
G1 APR Facepiece
Examinations, remove the respirator from service
6 Preparing for Use
for instructions to clean these components.
US
for instructions.
14