WAGNER Cobra 40-10, Руководство по эксплуатации

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30
Cobra 40-10/2K .
OPERATING MANUAL
EDITION 10/2010 PART NO. DOC322871
6
TROUBLE SHOOTING, MAINTENANCE AND REPAIR
6.1
TROUBLE SHOOTING AND SOLUTION
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
disconnect compressed air supply
shortly.
No pressure indication (pressure
regulator defect). Disconnect compressed air
connection shortly or repair or
change pressure regulator.
Spray nozzle is clogged. Clean nozzle according to the
instructions.
Insuffi cient supply of compressed
air. 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.
Material feed pump or high-
pressure hose are blocked
(e.g., two-component material
hardened). Dismantle the paint pump and
clean, replace high-pressure hose.
Grease in spool-sleeve
combination. Pump stops at the
stroke end. Degrease spool-sleeve combination.
Check detent body (see Service
manual).
Poor spray pattern. See gun instructions.
Strongly irregular operation
of material pump; spray jet
collapses (pulsation). Viscosity too high. Dilute working material.
Spraying pressure too low. Increase incoming air pressure,
use smaller nozzle.
Valve are clogged. Press knocker for inlet valve.
Clean material pump if necessary
leave to soak in solvent.
Foreign body in suction valve. Dismantle suction valve housing,
clean and check valve seat.
Diameter of the compressed air
line too small. Assemble a larger incoming line ->
Technical data see paragraph 4.3.2.
Valves, packings or pistons worn. Replace parts.
Filter for control air or fi lter for
work air is clogged. Check fi lter and clean it.
Strongly irregular operation of
material pump. Diaphragm is “blocked” when the
suction is to rapid. Operate pump some time with
minimum opened ball valve.