Removing The Lens Rings And Lens - MSA Advantage 4000 Maintenance And Repair

4. Push the buckles off the buttons

Removing the Lens Rings and Lens

1. Use a Phillips screwdriver to unscrew the
lens ring screws.
2. Separate the lens rings.
a. Use a flat head screw driver to pry the lens rings apart.
Carefully rock the screw driver up and down until you
can remove either half by hand.
ADVANTAGE 4000 FACEPIECE
a. Fold the facepiece blank and remove the lens
Removing the Adapter Assembly
1. Press the locking button and rotate the
adapter 45º clockwise.
2. Pull the inlet assembly from the facepiece.
3. Remove and discard the o-ring.
5 MSA 9011 (L) Rev. 0 - 10104243