Donning The Facepiece - 3M SCOTT AIR-PAK X3 PRO Operating & Maintenance Instructions

5 While still leaning slightly forward, connect the waist pad buckle and adjust the belt by pulling forward on the 2
side-mounted belt ends. Pull on the belt ends to adjust waist belt for firm fit on your hips. Tuck the belt ends into
the waist pad. See picture B in
6 Stand up straight and readjust the shoulder pads as needed to ensure the weight of the backframe is carried on
your hips. You should be able to fit two fingers comfortably under each shoulder pad. Tuck in the ends of the
shoulder pads. See picture C in
Figure 3-2 A) Pulling the shoulder straps down. B) Connecting the waist pad buckle. C) Adjusting the shoulder pads.
TIP
If you are using the chest strap accessory, refer to the installation and use instructions provided with the
chest strap before use. See

Donning the Facepiece

Before donning the facepiece, examine it to verify that it is complete and in serviceable condition.
•
Verify that the inhalation valves in the nose cup are properly installed.
•
Verify that the nose cup is properly seated between the flanges of the voicemitter ducts (see
page 9) and properly positioned in the facepiece.
For more information, see
Periodically repeating the fit testing is required to identify any physical changes of the user (such as those listed above)
which could affect the fit of the facepiece. Refer to the appropriate steps in
page 59.
To don the facepiece
You must be familiar with and practice the prescribed donning and termination of use procedures for the facepiece
and respirator prior to using the respirator.
P/N 595373-01 Rev C
Figure 3-2.
Figure 3-2.
A
Appendix I: Related Manuals" on page
"Inspecting the Facepiece" on page 8.
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DONNING THE FACEPIECE
B
65.
Appendix G: Facepiece Fitting" on
C
Figure 2-4 on
19