WIKA 700.02 - Manual (Page 12)

12
2103869.04 12/2012 GB/D/F/E
GB
WIKA operating instructions differential pressure gauge with piston
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
accuracy of the pressure gauge.
Repairs must only be carried out by the manufacturer or appropriately qualified
skilled personnel.
8.2 Cleaning
CAUTION!
■ Clean the pressure gauge with a moist cloth.
■ Wash or clean the dismounted pressure gauge before retur-
ning it, in order to protect persons 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
environmentally compatible way and in accordance with the country-specific
waste disposal regulations.
8. Maintenance and cleaning / 9. Dismounting and disposal