WIKA 700.02 - Manual (Page 12)

12
11025859.03 10/2013 GB/D/F/E
GB
WIKA operating instructions differential pressure gauge with piston per ATEX
8. Maintenance and cleaning / 9. Dismounting and disposal
8. Maintenance and cleaning
8.1 Maintenance
The instruments are maintenance-free.
The differential pressure gauges with piston offer long service life provided
they are handled and operated properly.
Checks should be carried out on a regular basis to ensure the measuring accura-
cy of the pressure gauge.
Repairs must only be carried out by the manufacturer or appropriately qualified
skilled personnel.
8.2 Cleaning
CAUTION!
■ Clean the differential pressure gauge with a moist cloth.
■ Wash or clean the dismounted instrument before returning it,
in order to protect persons and the environment from exposure
to residual media.
9. Dismounting and disposal
WARNING!
Residual media in dismounted differential pressure gauges
can result in a risk to persons, the environment and equip-
ment. 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 disposal
regulations.