3M 6000 Series User Instructions page 13

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™ 6893 Inhalation Valve
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™ 6889 Exhalation Valve
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™ 6895 Inhalation Gasket Replacement
The closed cell foam rubber gasket is designed to seal the interface between the bayonet attachment
inhalation ports on the facepiece and filters/cartridges, dual airline or 3M 201 microphone adapter installed on
the facepieces. 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™ 6281 Respirator Strap Assembly
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.
13