Medela Harmony Mode D'emploi page 19

2
√
Make sure the oval shaped
base of the stem has the
right position in the dia phragm.
2
Place the valve membrane in a
horizontal position on the valve
head. Carefully push the knob on the
membrane's back into the smallest
hole of the head until it engages. The
membrane must lie flat on the head.
X
3
Place the diagraphm into the
pump handle. Press down
firmly around the entire edge
to ensure a proper seal.
3
Push the valve head onto the
inner ring of the connector.
The valve head must be
positioned sideways (as you
can see in the above picture).
19