6898/37006*
Lens Assembly
Replacement Instructions
Important: Keep these
User Instructions
for reference
*37006 is a catalog number only. NIOSH approved as 3M
TM
Lens Assembly 6898.
See the 3M
TM
Full Facepiece 6000
User Instructions
for approval label.
38-9018-9555-7
(Supersedes
38-9018-7177-2)
Fig.
1
Fig.
2
The 3M
TM
6898 Lens Assembly consists of a hard coated polycarbonate lens with installed bayonet
attachment inhalation port fittings, inhalation valves and inhalation port filter/cartridge gaskets.
The lens is replaceable by following these steps:
1. Remove nose cup assembly from inside facepiece. (Fig. 1)
2. Remove center adapter assembly by turning counter-clockwise 1⁄4 turn and withdrawing from lens center
port. (Fig. 2)
Fig. 3
3. Remove the (2) phillips screws from the lens/faceseal frame. Pull the frame top and bottom away from
faceseal.
4. Remove faceseal from lens.
5. Place new lens and faceseal together aligning marks at top and bottom. Position top and bottom frame,
again aligning marks top and bottom. (Fig. 3) Install and securely tighten screws. Make certain
alignment marks are properly aligned top and bottom with all components.
6. Install center adapter assembly.
7. Replace nose cup assembly.