1. Check facepiece for cracks, tears and dirt. Be certain facepiece, especially faceseal area, is not distorted.
2. Examine inhalation valves for signs of distortion, cracking or tearing.
3. Make sure that head straps are intact and have good elasticity.
4. Examine all plastic parts for signs of cracking or fatiguing. Make sure filter gaskets are properly seated and in good condition.
5. Remove exhalation valve cover and examine exhalation valve and valve seat for signs of dirt, distortion, cracking or tearing. Replace exhalation
valve cover.
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 and/or filters.
2. Clean facepiece (excluding filters and cartridges), with 3M™ Respirator Wipes 504 (not to be used as the only method of cleaning) or by immersing
in warm cleaning solution, water temperature not to exceed 120°F, 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 hypochlorite
(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 non-contaminated atmosphere.
5. The cleaned respirator should be stored away from contaminated areas when not in use.
REPLACEMENT PART INSTRUCTIONS
3M™ Inhalation Valve 6893
Inhalation valves are located on posts at the inside of the facepiece inhalation ports. These valves should be inspected before each respirator use and
replaced whenever valves become damaged or lost.
1. Remove existing valve(s) by lifting from post(s) (Fig. 9).
2. Install new valve(s) onto post(s). Be certain valve(s) is fully engaged under all three lugs on post(s), lays flat, and moves freely (spins) on post.
3M™ Exhalation Valve 6889
1. Remove valve cover assembly from facepiece (Fig.19).
2. Grasp valve and pull valve stem out from valve seat (Fig.17).
3. Inspect valve seat making certain it is clean and in good condition.
4. Place new valve over exhalation port and press valve stem into center hole. Be certain the valve is fully seated and spins freely in mount.
5. Replace valve cover assembly.
NOTE: Conduct a negative pressure seal check to ensure exhalation valve is functioning properly.
3M™ Inhalation Gasket Replacement 6895
The closed cell foam rubber gasket is designed to seal the interface between the bayonet attachment inhalation ports on the facepiece and filters/
cartridges or dual airline. The gaskets should be inspected with each filter/cartridge change and replaced whenever damaged or if seal integrity is
questionable.
1. Remove gaskets from facepiece inhalation port bayonet fittings (Fig.18).
2. Install new gaskets onto facepiece inhalation port bayonet fittings. Be certain gaskets are in proper position under all three bayonet lugs.
3M™ Respirator Strap Assembly 6281
1. To remove, disengage upper legs of valve cover assembly from facepiece buttons.
2. Pry or pull valve cover assembly from facepiece exhalation port (Fig. 19).
3. To install, properly position new strap assembly valve cover over facepiece exhalation port and snap into place by firmly pressing together.
4. Engage holes in upper legs of valve cover assembly with facepiece buttons.
For Compliance in Brazil NOTE
1. Do not use in deficient or enriched oxygen atmospheres.
2. Storage, Transportation and Care: store in a clean and dry place and away
from contaminants and extreme temperature and humidity.
3. The components of this respirator are made of materials which are not
expected to cause adverse health effects.
4. It is necessary to have special care to use this product in explosives
atmospheres.
Product Manufacturing Date
The parts of the product show markings that bring information of
manufacturing date, and its reading is described as in the example below:
Date Code = 12
month 2019 (12/19)
th
12
11
1
10
2
1
9
9
3
8
4
7
5
6
8
W WARNING