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Diaphragm rim
Breast Shield lip
Frosted lip
1. Use your fingers to work the Diaphragm rim over the Breast Shield lip. Take a
moment to check the Diaphragm is sitting flush and is on securely
2. Push the Breast Shield and the Cup Front together using the markings as a guide.
Ensure that there is a good seal all the way around. Check that there are no gaps
and that the Cup Seal is fully covered by the frosted lip of the Breast Shield
3. Check that the Diaphragm is completely dry because moisture can be sucked
into the Hub. This will aect performance. Push the Cap into the Cup Front
Tip: Take the Cup Front o and check that the Diaphragm is on correctly.
If you can’t get the Cup to push together fully you can see the Cup Seal above the
frosted lip