50 WIKA operating instructions pressure transmitter, model IS-3
MM/YYYY country code based on 14095850.02 12/2014 EN/CN
EN
10. Dismounting, return and disposal
WARNING!
Residual media in the dismounted instrument can result in a risk to persons, the environment and equip-
ment.
Take sucient precautionary measures.
10.1 Dismounting
WARNING!
For ignition protection Ex nA and Ex tc:
Do not separate when energized.
1. Isolate the voltage supply from the pressure transmitter.
2. Loosen the pressure transmitter with a suitable torque spanner using the spanner ats (for spanner ats, see gure
under chapter 6.2 “Mechanical mounting”). Only disconnect the pressure transmitter once the system has been
depressurised.
WARNING!
Risk of burns!
Let the instrument cool down suciently before dismounting it!
During dismounting there is a risk of dangerously hot pressure media escaping.
WARNING!
Danger of injury and damage to property due to escaping media
Escaping media can lead to serious injury. In the event of failure, components can be ejected or
media exhausted under high pressure.
- Open the connections only after the system has been depressurised.
- Employ a protective device that prevents parts from being ejected. The protective device must not
be removable without the use of tools.
3. Remove any residual media from the pressure transmitter (see chapter 8.2 “Cleaning”).
4. Pack the pressure transmitter (see chapter 5.2 “Packaging”).
10. Mounting, return and disposal
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