ADVANTAGE 4000 FACEPIECE
6. Firmly press the retainer into the slots until it
engages fully.
7. Push both springs into the button.
8. Install the button.
9. Insert the adapter, press and rotate counter-clockwise
until it drops into place.
10. Carefully stretch the valve disc onto the post.
11. Install a new O-ring.
12. Turn the component housing over. Press and
rotate the adapter counter-clockwise until the
notch (see detail) is at 9 o’clock.
Notch
10
MSA 9011 (L) Rev. 0 - 10104243
9
