(English)
10
Cleaning and Storage
Cleaning is recommended after each use.
W
WARNING
Do not clean respirator 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 (1oz. [30ML] household bleach in 2
gallons [7.5L] of water), or other disinfectant.
4. Rinse in fresh, warm water and air dry in non-contaminated atmosphere.
5. Respirator components must 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 6700/6800/6900
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™ Center Adapter Assembly 6864 Replacement
The center adapter assembly consists of center adapter base, cover, exhalation valve, and adapter gasket. It is secured to the center port of the lens
with a bayonet style twist lock connection, which compresses the sealing gasket.
To remove the center adapter from the facepiece:
1. Remove nose cup assembly by pulling away from center adapter inside facepiece (Fig. 15).
2. Grasp center adapter at cover and twist counter-clockwise 1/4 turn to disengage bayonet from facepiece lens.
3. Withdraw center adapter from lens center port.
6800_w6864.eps
8/16/04 K&K
Fig. 15
To install the center adapter into the facepiece:
1. Align tabs on center adapter base with notches in center port of facepiece lens.
2. Slide adapter into lens port (Fig. 16).
3. Grasp center adapter at cover and twist clockwise 1/4 turn to stop. Be certain center adapter gasket is properly in place and sealed, and that the
adapter assembly is fully engaged.
4. Replace nose cup assembly.
