26 WIKA operating instructions flow switch, model FSD-3
EN
14153887.01 09/2016 EN/DE/FR
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. acetylene, ammable or toxic substances), harmful media
(e.g. corrosive, toxic, carcinogenic, radioactive), and also with refrigeration plants and compressors,
there is a danger of physical injuries and damage to property and the environment.
▶
Should a failure occur, aggressive media with extremely high temperature and under high pressure
or vacuum may be present at the instrument.
▶
Wear the requisite protective equipment.
Dismounting the instrument
1. Depressurise the system and switch o the ow.
2
.
Disconnect the ow switch from the mains.
3
.
Disconnect the electrical connection.
4
.
Unscrew the ow switch with a spanner using the spanner ats.
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.
▶
With hazardous substances, include the material safety data sheet for the corresponding medium.
▶
Clean the instrument, see chapter 7.2 “Cleaning”.
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