gauge on the pressure switch shows: 0
bar.
How to proceed:
D
1. Remove the cover from the pressure
valve.
2. Fit the air pump with its own pressure
gauge to the tank valve and read off the
pressure.
3. Compare the read off value to the de-
fault value according to the name plate.
(→ Technical data)
4. Correct the pressure if necessary.
Checking the operating pressure
N O T E
The cut-in and switch-off pressure may
only be adjusted by an expert.
How to proceed:
D
1. Read off the pressure at the pressure
gauge.
2. Compare the read off value to the de-
fault value according to the name plate.
(→ Technical data)
3. Have the pressure setting corrected by
qualified expert personnel if correction
is necessary.
Replacing the diaphragm
How to proceed:
E
1. Undo and remove the screws of the di-
aphragm cover.
2. Lift the edge of the diaphragm from the
tank opening and pull the diaphragm
completely out of the tank.
3. Fold the new diaphragm once longitudi-
nally and push it into the tank.
4. Ensure that the edge of the membrane
does not completely or partly cover the
screw holes.
5. Reassemble the unit in the reverse or-
der.
WEAR PARTS
The following components are wear parts
and are excluded from the warranty:
• Membrane
DISPOSAL
N O T E
Do not dispose of this unit with domestic
waste.
• Render the unit unusable beforehand
by cutting the cables and dispose of the
unit via the return system provided for
this purpose.
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