INSPECTION
14 P/N 595390-01 Rev B 202003
5 Inspect the nose cup.
a Inspect the nose cup for cuts or damage. Look for any signs of damage to the facepiece port side of the nose
cup where the regulator attaches.
b Verify that both inhalation valves in the nose cup are present
and properly installed.
c Verify that the nose cup is properly installed. Check that the
nose cup is properly seated between the flanges of the
voicemitter ducts and over the chin cup. See Figure 2-1.
6 Verify that the facepiece is clean. See “Cleaning the Facepiece”
on page 21.
7 Adjust the head straps to the full outward position.
Figure 2-1 Checking the nose cup installation
Performing Operational Testing
See the operating and maintenance instructions provided with your 3M Scott Air-Pak respirator for full details about
operational testing of the respirator with the facepiece. You should perform operational testing before each use of the
respirator.