WIKA 2 Series - 8 Maintenance and Cleaning; Maintenance; Cleaning; 9 Dismounting, Return and Disposal

EN
WIKA operating instructions pressure gauge, model 2 per ATEX28
14375375.01 12/2019 EN/DE
8. Maintenance and cleaning
8.1 Maintenance
The instruments are maintenance-free.
The indicator and switching function 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
qualied skilled personnel.
8.2 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 environ-
ment from exposure to residual media.
9. Dismounting, return and disposal
WARNING!
Residual media in dismounted pressure gauges can result in
a risk to persons, the environment and equipment.
Take sucient precautionary measures.
9.1 Dismounting
Only disconnect the pressure gauge once the system has been depres-
surised!
When dismounting, close the vent valve (if available).
8. Maintenance and cleaning