WIKA 432.36 - Manual (Page 11)

WIKA operating instructions pressure gauge model 4 per ATEX 11
2080276.04 12/2010 GB/D/F/E
GB
Commissioning
During the commissioning process pressure surges must be avoided at all costs.
Open the shut-off valves slowly.
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.
„ Repairs must only be carried out by the manufacturer or appropriately qualified
skilled personnel.
7.2 Cleaning
CAUTION!
„
Clean the pressure gauge with a moist cloth.
„
Wash or clean the dismounted pressure gauge before return-
ing it, in order to protect persons and the environment from
exposure to residual media.
8. Dismounting and disposal
WARNING!
Residual media in dismounted pressure gauges can result in a
risk to persons, the environment and equipment. Take sufficient
precautionary measures.
8.1 Dismounting
Only disconnect the pressure gauge 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 environmen-
tally compatible way and in accordance with the country-specific waste disposal
regulations.
7. Maintenance and cleaning / 8. Dismounting and disposal