P/N 595373-01 Rev C 202004
5
Rev C
202004
P/N 595373-01
CHAPTER 2
INSPECTING THE RESPIRATOR
This chapter describes how to perform a regular operational inspection of a 3M Scott Air-Pak X3 Pro respirator.
Follow the procedures in this chapter when you first receive the respirator and during daily or periodic inspection of
the respirator:
• “Before You Begin” on page 5
• “Inspecting the Respirator Components” on page 6
• “Inspecting the Breathing Air Cylinder” on page 6
• “Inspecting the RIC/UAC Connection” on page 7
• “Inspecting the Facepiece” on page 8
• “Inspecting the Regulator” on page 10
• “Performing Operational Testing” on page 12
• “General Testing” on page 12
• “Testing the Regulator” on page 12
• “Testing the Heads-Up Display” on page 13
• “Testing the Sensor Module Lights” on page 15
• “Testing the Batteries” on page 16
Before You Begin
Carefully read “Safety Information” on page ix before beginning any of the procedures in this chapter.
Below is a summary of the requirements and recommendations for operational inspections of respirators:
• Inspect the respirator before each use and after each cleaning. (Clean the respirator after each use. See
“Chapter 4: Cleaning & Storing the Respirator” on page 37.)
• Inspect respirators for emergency use as frequently as required to ensure the respirator will function properly.
The Occupational Safety and Health Administration (OSHA) of the U.S. Department of Labor requires at least
monthly inspection of respirators for emergency use (29 CFR 1910.134).
• The National Institute for Occupational Safety and Health (NIOSH) recommends an inspection for cylinder
pressure at least weekly.
Storage conditions at your location or the regulations that apply to your respiratory protection program may require
more frequent periodic inspections.
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