3M SCOTT AIR-PAK X3 PRO Operating & Maintenance Instructions page 14

Follow the instructions below...
Do not use the respirator if the PASS device fails to function as described. Remove the respirator from service and tag it for
repair by authorized personnel.
Replace the batteries in the PASS device when the low battery alarm sounds.
The PASS device may malfunction due to radio frequency interference (RFI). See the user instructions provided for the
PASS device for information about and instructions to identify RFI sources and associated symptoms due to RFI.
Regularly inspect cylinders for damage and empty the air from damaged cylinders.
The breathing air cylinder must be inspected and refilled only by trained and authorized personnel.
Never use a cylinder with a damaged cylinder valve assembly or damaged cylinder valve assembly threads.
Do not fill the cylinder if the respirator or the cylinder to be charged is known or suspected to have been dropped, exposed
to direct flame impingement, or damaged in any way.
Never charge a cylinder to more than the rated pressure marked on the cylinder.
Verify that the cylinder connector is clean and free of dirt and debris. Dirt in the connector can contaminate the breathing
air path and may cause the respirator to malfunction.
Use the tri-slide buckle on the retention strap to secure the cylinder tight against the
Start with a full cylinder. Use a partially filled cylinder only in emergency conditions if a full cylinder is not available. If you
resume use of the respirator after the air has been partially consumed, you must be certain that the cylinder contains
sufficient air to allow time for completion of the tasks involved and your return to a safe atmosphere with an adequate
margin for safety.
Open the cylinder valve fully before operating the respirator. A partially opened cylinder valve may cause a reduction of air
supplied and/or a sudden and complete loss of air supply.
The cylinder valve should always be fully open when the respirator is in use, except in situations in which the air supply
flows freely into the facepiece. For more information, see
Understand the hazards of heat exposure including, but not limited to, temperature, duration, and repeat exposure when
using facepieces that incorporate heat-resistant materials.
Your facepiece must be properly fitted using a respirator quantitative fit test before use, and you must be properly trained
in the use of the respirator.
Verify that the facepiece is properly donned according to the donning procedures provided in these instructions and that
the protective hood does not interfere with the face-to-facepiece seal.
If any donning problems are found as described in these instructions, remove the facepiece and follow the applicable
donning procedure for your facepiece.
Do not use the respirator when you do not have a good seal between the face and facepiece. To maintain a good seal, the
respirator facepiece must be clear of obstructions, including, but not limited to, beards, facial hair, and sideburns. Nothing
should interfere with the smooth and close fit of the head harness to the head.
If you detect an air leak into the facepiece while checking the face-to-facepiece seal, do not use the respirator.
Install the nose cup on the facepiece. Failure to use the nose cup may cause obscured vision.
Confirm that the regulator latch is engaged with the facepiece. If the regulator latch is not engaged, the regulator could
rotate and fall out.
Confirm that all hose couplings are engaged. If they are not engaged, the hoses may separate.
P/N 595373-01 Rev C 202004
backframe.
"Emergency Operation" on page 31.
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