3M Powerflow Instrucciones De Uso página 8

To remove the center adapter from the facepiece:
1. Squeeze the locking tab at the back of the air director 6881
and pull back to disengage from the DIN port base 6883.
(Fig. 1)
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.
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. 2)
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. Align the lug at the bottom of the air director 6881 with the
slot at the bottom of the DIN port base 6883. (Fig. 1) Slide
forward and press the center knob until the locking tab
clicks into place.
3M™ Center Adapter Gasket Replacement 6896
The 3M center adapter gasket 6896 is designed to seal the
interface between the center adapter and the lens of the 6000
Series Full Facepiece.
1. DIN Port (6884) and Pressure Demand (6874) adapter
assemblies only: Squeeze the locking tab at the back of the
6881 Air Director and pull back to disengage from the 6883
DIN port base. (Fig. 1)
2. Grasp center adapter at cover and twist counter-clockwise
1⁄4 turn to disengage from facepiece lens. Withdraw center
adapter from lens center port.
3. Remove old 6896 gasket from center adapter and replace
with new 6896 gasket.
4. Re-install center adapter into facepiece lens. (Fig. 2)
5. Align the lug at the bottom of the 6881 air director with the
slot at the bottom of the 6883 DIN port base. Slide forward and press the center knob until the
locking tab clicks into place.
3M™ Exhalation Valve Replacement 6889
1. Remove center adapter cover (valve cover) by pulling out from bottom latch.
2. Grasp valve and pull valve stem out from valve seat.
3. Inspect valve seat making certain it is clean and in good condition.
4. Place new 6889 valve over the exhalation port and push or press valve stem into center hole.
(Fig. 3) Be certain the valve is fully seated and spins freely in mount.
5. Replace adapter cover (valve cover) by engaging top and bottom snaps (latches).
Note: Conduct a negative pressure user seal check to ensure exhalation valve is functioning
properly. See "User Seal Check" section.
Fig. 1
Fig. 2
Fig. 3
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3M™ Inhalation Port Gasket Replacement 6895
The 6895 gasket is designed to seal the interface between
the bayonet attachment inhalation ports on the facepiece
and the 6880 bayonet caps. The gaskets must be replaced
whenever damaged or seal integrity is questionable.
1. Remove gaskets from facepiece inhalation port bayonet
fittings.
2. Install new gaskets onto facepiece inhalation port
bayonet fittings. Be certain gaskets are in proper
position under all three lugs of each bayonet port.
(Fig. 4)
3M™ Head Harness Replacement 6897
Read and follow Head Harness Assembly 6897 Replacement Instructions included with
replacement Head Harness for instructions on removing and replacing the Head Harness.
3M™ Lens Assembly 6898
The lens assembly 6898 consists of a hard coated polycarbonate lens with installed bayonet
attachment inhalation port fittings, inhalation valves, and inhalation port filter/cartridge gaskets.
The 6898 lens is replaceable by following these steps:
1. Remove center adapter assembly by turning counter-clockwise 1/4 turn and withdrawing
from lens center port.
2. Remove the (2) Phillips screws from the lens/faceseal frame. Pull the frame top and frame
bottom away from faceseal.
3. Remove faceseal from lens.
4. Place new lens and faceseal together aligning marks at top and bottom. Position top and
bottom frame, again aligning marks top and bottom. Install and securely tighten screws.
Make certain alignment marks are properly aligned top and bottom with all components.
5. Install center adapter assembly.
3M™ Frame Kit 6899
The frame kit 6899 includes a frame top, frame bottom, (2)
Phillips head screws and (2) hex head nuts. The frame kit
secures and seals the 3M 6000 series full facepiece faceseal
to the 3M 6898 lens assembly.
1. After assembling the faceseal onto the lens, matching
top and bottom alignment marks, position top frame,
over lens and faceseal, aligning center vertical marks,
then press in place.
2. Position bottom frame, aligning center vertical mark,
and press in place. (Fig. 5)
3. Insert and tighten Phillips head screws. Make certain
parts are properly aligned and sealed together.
Fig. 4
Fig. 5
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