WAGNER ZIP52 Operating Manual page 37

VERSION 12/2012
OPERATING MANUAL
Problem
The material delivery
valve is closed,
nevertheless the pump
continues to run even
if the supply's air cutoff
vale is closed.
If the problem is not listed above consult your WAGNER Service Center.
ORDER NUMBER DOC 2330426
Cause
The material delivery valve or the
delivery manifold leaks.
Dirty or worn-out material check
valves in the delivery and suction
manifold.
Remedy
Check the material delivery valve and the
seals of the delivery manifold.
Clean the check valves and replace them if
they are worn.
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