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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.
MSA 9011 (L) Rev. 0 - 10104243
ADVANTAGE 4000 FACEPIECE
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.
9
Notch
10
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