WIKA 233.50 - Manual (Page 15)

GB
2080268.06 02/2013 GB/D/F/E
WIKA operating instructions pressure gauge, model 2 per ATEX 15
7. Maintenance and cleaning
7.1 Maintenance
The instruments are maintenance-free.
The indicator and switching function should be checked once or twice
every year. The gauge must be disconnected from the process to check
with a pressure testing device.
Repairs are only to be carried out by the manufacturer or appropriately
trained skilled personnel.
7.2 Cleaning
CAUTION!
„ Clean the pressure gauge with a moist cloth.
„ Wash or clean the dismounted pressure gauge before
returning it, in order to protect personnel 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 equip-
ment.
Take sufficient precautionary measures.
8.1 Dismounting
Only disconnect the pressure gauge once the system has been
depressurised!
When dismounting, close the compensating valve (if available).
8.2 Disposal
Incorrect disposal can put the environment at risk. Dispose of instru-
ment components and packaging materials in an environmentally
compatible way and in accordance with the country-specific waste
disposal regulations.
7. Maintenance and cleaning / 8. Dismounting and ...