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VERSION 09/2016
OPERATING MANUAL
4.2.3
PRODUCT HOSES
Ensure that the hose material is chemically resistant to the sprayed products and the
used fl ushing agents.
Ensure that the product hose is suitable for the pressure generated.
Ensure that the following information can be seen on the high-pressure hose:
- Manufacturer
- Permissible operating pressure
- Date of manufacture
Make sure that the hoses are laid only in suitable places. Hoses should not be laid in the
following places under any circumstances:
- in high-traffic areas,
- on sharp edges,
- on moving parts or
- on hot surfaces.
Ensure that the hoses are never run over by vehicles (e.g., fork lifts), or that the hoses are
never put under pressure from the outside in any other way.
Ensure that the hoses are never kinked. Observe maximum bending radii.
Make sure that the hoses are never used to pull or move the equipment.
The electrical resistance of the product hose, measured at both valves, must be less
than 1 megohm.
Suction hoses may not be subjected to pressure.
Several liquids have a high expansion coeffi cient. In some cases their volume can rise with
consequent damage to pipes, fi ttings, etc. and cause fl uid leakage.
When the pump sucks liquid from a closed tank, ensure that air or a suitable gas can
enter the tank. Thus a negative pressure is avoided. The vacuum could implode the tank
(squeeze) and can cause it to break. The tank would leak and the liquid would fl ow out.
The pressure created by the pump is a multiplication of the inlet air pressure.
4.2.4
CLEANING AND RINSING
Relieve the pressure from the device.
De-energize the device electrically.
Preference should be given to non-fl ammable cleaning and fl ushing agents.
Observe the specifi cations of the lacquer manufacturer.
Ensure that the fl ash point of the cleaning agent is at least 15 K above the ambient
temperature or that cleaning is undertaken at a cleaning station with technical
ventilation.
Take measures for workplace safety (see Chapter 4.1.3).
When commissioning or emptying the device, please note that an explosive mixture
may temporarily exist inside the lines and components of equipment:
- depending on the coating product used,
- depending on the fl ushing agent (solvent) used,
explosive mixture inside the lines and items of equipment.
ORDER NUMBER DOC 2366672
13
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