Troubleshooting And Rectification - WAGNER EvoMotion 40-15 S-HE Translation Of The Original Operating Manual

EDITION 10/2017
9

TROUBLESHOOTING AND RECTIFICATION

Problem
The pump does not
work.
Poor spray pattern.
Irregular pump
operation; spray jet
collapses (pulsation).
Pump is running
uniformly, but does
not suck in any
working material.
Pump is working with
a closed spray gun.
Air motor is iced up.
If none of the causes of malfunction mentioned are present, the defect can be remedied
by a WAGNER Service Center.
ORDER NUMBER 2351778
Cause
Air motor does not work or stops.
No pressure indication on the
pressure gauge (air pressure
regulator defective).
Spray nozzle is clogged.
Insufficient compressed air supply.
Filter insert in spray gun is clogged.
The fluid section or high-pressure
hose is blocked (e.g., two-component
product hardened).
Occasionally, the pump stops at the
reversal point.
See the gun instructions.
Viscosity is too high.
Spraying pressure is too low.
Valves are clogged.
Foreign body in suction valve.
Diameter of compressed air line too
small.
Valves, packings, or pistons are worn
out.
Pressure regulator filter is clogged.
The suction system's union nut is
loose; the pump is taking in air.
Suction filter is clogged.
Ball in suction or piston valve is stuck. Clean balls and valve seats.
Packings, valves or pistons are worn
out.
There is a lot of condensation water
in the air supply.
EvoMotion 40-15 S-HE
EvoMotion 20-30 S-HE
Remedy
Open and close ball valve on the pressure
regulator unit or briefly disconnect
compressed air supply.
Disconnect compressed air supply briefly or
repair or replace pressure regulator.
Clean the nozzle according to the
instructions.
Check compressed air supply.
Clean the parts and use a suitable working
material.
Dismount and clean fluid section, replace
high-pressure hose.
Press the starter on the reverse valve and
restart the pump.
Clean the slide on the reversing valve
carefully and, if necessary, lubricate it with a
light layer of oil.
Thin spraying product.
Increase incoming air pressure.
Use a smaller nozzle.
Clean pump. If necessary, leave it to soak in
cleaning agent.
Dismantle suction valve housing, clean and
check valve seat.
Assemble a larger supply line.
Technical data, Chapter 5.5.3.
Replace the parts.
Check and clean it if necessary.
Tighten union nut.
Clean filter.
Replace the parts.
Install a water separator.
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