34
OPERATING MANUAL
VERSION 01/2013 ORDER NUMBER DOC 2335747
Problem Cause Remedy
The material delivery
valve is closed,
nevertheless the pump
continues to run even
if the air cut-o valve is
closed.
The material delivery valve or the
delivery manifold leaks.
Check the material delivery valve and the
seals of the delivery manifold.
Dirty or worn-out non-return valves
in the delivery and suction manifold.
Clean the non-return valves and replace
them if they are worn.
If the problem is not listed above, consult your WAGNER Service Center.
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