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Cleaning and Storage
Cleaning is recommended after each use.
Do not clean with solvents. Cleaning with solvents may degrade some respirator components and reduce
respirator effectiveness. Inspect all respirator components before each use to ensure proper operating
condition. Failure to do so may result in sickness or death.
1. Remove cartridges, filters and/or breathing tubes. The center adapter, lens and faceseal can also be
removed if necessary.
2. Clean facepiece (excluding filters and cartridges), by immersing in warm cleaning solution, water
temperature not to exceed 120° F (49° C), and scrub with soft brush until clean. Add neutral detergent if
necessary. Do not use cleaners containing lanolin or other oils.
3. Disinfect facepiece by soaking in a solution of quaternary ammonia disinfectant or sodium hypochloride
(1 oz [30 ML] household bleach in 2 gallons [7.5 L] of water), or other disinfectant.
4. Rinse in fresh, warm water and air dry in noncontaminated atmosphere.
5. Respirator components should be inspected prior to each use. A respirator with any damaged or
deteriorated components should be repaired or discarded.
6. The cleaned respirator should be stored away from contaminated areas when not in use.
REPLACEMENT PART INSTRUCTIONS
3M™ Facepiece Assemblies for 6700DIN/6800DIN/6900DIN
The facepiece consists of the head harness assembly, nose cup assembly, center adapter assembly, lens
assembly, faceseal (small, medium or large), and frame assembly (top, bottom, nuts and screws).
To disassemble lens assembly from faceseal, remove the two Phillips screws from top frame. Then, pull the
frame top and frame bottom away from the faceseal. The frame top, frame bottom, faceseal and the lens
assembly have vertical line markings that indicate their positions relative to one another. Make certain these
markings are aligned for reassembly.
3M™ 6884 DIN Port Adapter Assembly Replacement
The DIN port adapter (center adapter) assembly consists of a 3M™ 6883 Din Port Base, 6882 DIN Cover,
6881 DIN Air Director, 6889 Exhalation Valve, 6876 Breathing Tube Gasket and 6896 Center Adapter
Gasket. It is secured to the center of the lens with a bayonet-style twist lock connection which compresses the
6896 center adapter gasket. The 6884 DIN port adapter assembly is locked in position by the 6881 DIN air
director.
To remove the center adapter from the facepiece
1. Remove nose cup assembly (except in 3M™ Powerflow™ Systems) by pulling away from center adapter
inside facepiece (Fig. 12).
2. Squeeze the locking tab at the back of the 6881 air director and pull back to disengage from the 6883 DIN
port base (Fig. 13).