WIKA 4x2.30.1x0 Series, Operating Instructions Manual

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WIKA operating instructions pressure gauge, model 4 per ATEX 14
2080276.08 08/2019 EN/DE
EN
7. Maintenance and cleaning
7.1 Maintenance
The instruments are maintenance-free. The indicator should be checked once or twice
every year. For this the instrument must be disconnected from the process to check with a
pressure testing device.
WARNING!
Danger to life due to impermissible filling/refilling of the instrument
with loss of explosion protection
The filling/refilling of instruments by non-authorised personnel leads to a loss
of the explosion protection and can lead to damage to the instrument.
▶ Repair of the instruments may only be carried out by authorised bodies.
If the instrument is exposed to intensive UV radiation, the colouring of the dial
printing may change. This has no effect on the function of the instrument.
7.2 Cleaning
CAUTION!
„
Clean the instrument with a moist cloth. Ensure that due to the cleaning no
electrostatic charge will be generated.
„
Wash or clean the dismounted instrument before returning it, in order to
protect persons and the environment from exposure to residual media.
8. Dismounting and disposal
WARNING!
Residual media in dismounted instruments can result in a risk to persons, the
environment and equipment.
Take sufficient precautionary measures.
8.1 Dismounting
Only disconnect the instrument once the system has been depressurised!
8.2 Disposal
Incorrect disposal can put the environment at risk.
Dispose of instrument components and packaging materials in an environmentally compati-
ble way and in accordance with the country-specific waste disposal regulations.
7. Maintenance and cleaning / 8. Dismounting and disposal