Dismounting, Return And Disposal - WIKA PSD-4 Operating Instructions Manual

8. Dismounting, return and disposal

8. Dismounting, return and disposal
8.1 Dismounting
WARNING!
Physical injuries and damage to property and the environment caused by hazardous media
Upon contact with hazardous media (e.g. oxygen, acetylene, flammable or toxic substances), harmful
media (e.g. corrosive, toxic, carcinogenic, radioactive), and also with refrigeration plants and compres-
sors, there is a danger of physical injuries and damage to property and the environment.
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Should a failure occur, aggressive media with extremely high temperature and under high pressure
or vacuum may be present at the instrument.
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Wear the requisite protective equipment.
WARNING!
Risk of burns
During dismounting there is a risk of dangerously hot media escaping.
The pressure switch may have heated up severely due to hot media.
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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 pressure switch.
2 Disconnect the electrical connection.
.
3 Unscrew the pressure switch with a spanner using the spanner flats.
.
WIKA operating instructions pressure switch, model PSD-4
EN
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