3M SCOTT AIR-PAK X3 PRO Operating & Maintenance Instructions page 25

To inspect the facepiece
1 Inspect the facepiece seal and other rubber components for deformation, wear, cracks, or other damage.
2 Inspect the lens and lens frame.
a Inspect the lens for scratches, gouges, cracks, crazing, distortion, melting, or any other damage or condition
that could impair the user's vision or the operation of the facepiece.
b Inspect the lens frame for damage such as cracks or distortion.
c Verify that the lens frame screws are present and installed correctly.
3 Inspect the head harness.
a Check that all harness anchors are present and operating properly.
b Inspect the head harness for correct installation with all straps oriented correctly.
c Inspect the head harness for damage or worn components.
4 Inspect the voicemitter ducts.
a Verify that the voicemitter ducts are properly installed.
b Inspect the voicemitters for damage and verify that the voicemitters are properly installed and secure in the
voicemitter ducts.
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
6 Verify that the facepiece is clean. See
on page 38.
7 Adjust the head straps to the full outward position.
P/N 595373-01 Rev C
"Cleaning the
202004
INSPECTING THE RESPIRATOR COMPONENTS
Figure 2-4.
Facepiece"
AV-3000 HT
VISION C5
Figure 2-4 Checking the nose cup installation
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