WIKA PGS43.160 - Handbuch (Seite 14)

14
080
4
.03 1
/
009 GB/D/F/E
GB
WIKA Operating instructions pressure gauges Model 4 with 831 per ATEX
8. Maintenance and cleaning
8.1 Maintenance
The instruments require no maintenance or servicing.
The indicator and switching function should be checked once or twice every
1 months. 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.
8.2 Cleaning
CAUTION!
Before cleaning, correctly disconnect the pressure gauge
from the pressure supply, switch it off and disconnect it from
the mains.
Clean the pressure gauge with a moist cloth.
Electrical connections must not come into contact with
moisture.
Wash or clean the dismounted pressure gauge before retur-
ning it, in order to protect staff and the environment from
exposure to residual media.
9. 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.
9.1 Dismounting
Only disconnect the pressure gauge once the system has been depressurised!
9.2 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 dispo-
sal regulations.







8. Maintenance and cleaning / 9. Dismounting and disposal