Durr EcoGun 656 Bedieningshandleiding - Pagina 8

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EcoGun 651
CAUTION
Relevant standards apply to spraying and handling with the flammable liquids.
Regarding the flammability class of the coating materials the areas and rooms,
where the coating materials are used, must be marked and modified in compliance
with applicable standards and regulations. The gun earthing is implemented via
the high-pressure hose from the equipment, however with application materials
of the ignition point below 21°C (NITRO etc.) or with materials, which are heated
to values exceeding the ignition temperature due to operational reasons, an
additional earthing is recommended by the potential equalizing cable (use the
metal conductor, optimally the steel rope of ø 5 mm, resp. copper wire min.
4 mm

OPERATION

1. The fault-free operation of the gun depends on preparation
2. Select the nozzle type acc. to the shape and dimension of
3. The optimum NH operation pressure is selected on basis of the
4. If the nozzle hole is clogged, wash it in clean solvent and remove
5. On long-term interruption of the work or when other type of
6. Even on short-term interruption of the work, immerse the gun
8
).
2
of NH. Devote maximum care to mixing, treating to optimum
viscosity and filtration of the NH. Use of the proper solvent is
crucial for dilution of the NH and cleaning of the gun.
the object, the NH type and viscosity (suitable nozzle can be
recommended by OTS of the manufacturing plant).
test spraying by the selected nozzle (onto the white paper), see
the high-pressure device operation manual. Selection of proper
operating pressure is crucial to the operation life of the gun,
and particularly the high-pressure nozzles. Do not exceed the
indispensable pressure!
the contaminants causing the clogging by the air jet. Cleaning of
the rotating nozzles is much simpler: remove the contaminants
by rotation and flushing and put the nozzle back to operation by
turning back. During cleaning or any manipulation do not turn
the gun against yourself or any other person, lock the supply of
the NH and pressure control air.
the NH us used, clean the gun internal section by pumping the
solvent applicable to the sprayed NH into the high-pressure
section instead of the NH. After approx. 5 minutes, when the
solvent dissolves the residual NH, flush the gun by pulses and
observe the solvent colour. When the solvent without traces of
formerly used starts to outlet, the gun is clean and ready for
other use.
neck, as well as the used nozzles, to the vessel with solvent.