WIKA FSD-4 Mode D'emploi page 26

8. Dismounting, return and disposal
WARNING!
Risk of burns
During dismounting there is a risk of dangerously hot media escaping.
The flow switch may have heated up severely due to hot media.
EN
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Let the instrument cool down sufficiently before dismounting it.
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Wear the requisite protective equipment.
Dismounting the instrument
1. Depressurise and de-energise the flow switch.
2 Disconnect the electrical connection.
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3 Unscrew the flow switch with a spanner using the spanner flats.
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8.2 Return
Strictly observe the following when shipping the instrument:
All instruments delivered to WIKA must be free from any kind of hazardous substances (acids, bases, solutions, etc.)
and must therefore be cleaned before being returned.
WARNING!
Physical injuries and damage to property and the environment through residual media
Residual media in the dismounted instrument can result in a risk to persons, the environment and equipment.
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With hazardous substances, include the material safety data sheet for the corresponding medium.
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Clean the instrument, see chapter 7.2 "Cleaning".
When returning the instrument, use the original packaging or a suitable transport packaging.
Information on returns can be found under the heading "Service" on our local website.
8.3 Disposal
Incorrect disposal can put the environment at risk.
Dispose of instrument components and packaging materials in an environmentally compatible way and in accordance
with the country-specific waste disposal regulations.
26 WIKA operating instructions flow switch, model FSD-4