Medela Harmony - Manual (Page 18)

18
6.1 Assembling the handle
6. Preparing for pumping
l Wash your hands thoroughly (for
approx. one minute) with soap
and water before you touch your
breast and the pump parts.
Caution
i
l Only use Medela original
accessories.
Note
6.2 Assembling the pump set
l Carry out all steps with care and
assemble the pump set correctly
for optimum performance.
Info
i
Insert the stem (with the
O-ring) into the hole on the
upper side of the diaphragm.
The stem and diaphragm are
parts of the pump’s handle.
1
Carefully insert the breast-
shield into the top opening of
the connector.
1
I Check that the (white) O-ring is
still placed around the stem:
O-ring
Stem
The O-ring makes a sealed
connection between the handle
and the 2-component connector
possible. This is necessary to
build up a vacuum.