WAGNER PROTEC 2K, Translation Of The Original Operating Manual

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76
PROTEC 2K
OPERATING MANUAL
VERSION 02/2016 ORDER NUMBER DOC2352824
9
TROUBLESHOOTING AND RECTIFICATION
Problem Cause Remedy
The pump does not
work Air motor does not work or stops. Open and close ball valve on the pressure
regulator unit or briefl y disconnect compressed
air supply.
No pressure indication on the
pressure gauge (air pressure
regulator defective). Disconnect compressed air supply briefl y or
repair or change pressure regulator.
Spray nozzle is clogged. Clean the nozzle according to the instructions.
Insuffi cient compressed air supply. Check compressed air supply.
Filter insert in spray gun or high-
pressure fi lter is clogged. Clean the parts and use a suitable working
material.
Fluid section or high-pressure
hose are blocked
(e.g., 2K product hardened). Dismount and clean fl uid section, replace high-
pressure hose.
Grease in spool and sleeve
assembly. Degrease spool and sleeve assembly.
Pump stops at the stroke end
occasionally. Check detent element (see service manual).
Poor spray pattern See the gun instructions.
Irregular operation
of product pump:
spray jet collapses
(pulsation) Viscosity is too high. Dilute the working material.
Spraying pressure is too low. Increase incoming air pressure. Use a smaller
nozzle.
Valves are clogged. Clean product pump, if necessary leave to soak
in fl ushing agent.
Foreign body in suction valve. Dismantle suction valve housing, clean and
check valve seat.
Diameter of compressed air line
too small. Assemble a larger supply line. Technical data,
Chapter 5.5.3.
Valves, packings, or pistons are
worn out. Replace the parts.
Control air fi lter or work air fi lter is
clogged. Check fi lter and clean it if necessary.
Pump is running
uniformly, but does
not take in any
working material The suction system's union nut is
loose; the pump is taking in air. Tighten union nut.
Suction fi lter is clogged. Clean fi lter.
Ball in suction or piston valve is
sticking. Clean with fl ushing agent
(if necessary vent device).
Pump runs when the
gun is closed Packings, valves, or pistons are
worn out. Replace the parts.
The air motor is iced
up There is a lot of condensation
water in the air supply. Install a water separator.