WIKA M-11 - Handbuch (Seite 4)

7. Maintenance and cleaning
7.1 Maintenance
This instrument is maintenance-free.
Repairs must only be carried out by the manufacturer.
7.2 Cleaning
CAUTION!
■ Before cleaning, correctly disconnect the
instrument from the pressure and voltage
supply.
■ Clean the instrument with a moist cloth.
■ Electrical connections must not come into
contact with moisture.
■ Wash or clean the dismounted instrument
before returning it in order to protect person-
nel and the environment from exposure to
residual media.
■ Residual media in the dismounted instru-
ment can result in a risk to persons, the
environment and equipment. Take sufficient
precautionary measures.
For information on returning the instrument see
chapter 8.2 "Return".
8. Dismounting, return and disposal
WARNING!
Residual media in the dismounted instrument
can result in a risk to persons, the environment
and equipment.
Take sufficient precautionary measures.
8.1 Dismounting
Only disconnect the pressure transmitter once the system
has been depressurised!
During removal, do not damage the diaphragm of the
process connection. After removal and cleaning (see
chapter 7.2 "Cleaning"), place the protection cap on the
instrument to protect the diaphragm.
8.2 Return
WARNING!
Strictly observe the following when shipping the
instrument:
All instruments delivered to WIKA must be free
from any kind of hazardous substances (acids,
bases, solutions, etc.).
When returning the instrument, use the original packaging
or a suitable transport package.
To avoid damage:
1. Wrap the instrument in an antistatic plastic film.
2. Place the instrument, along with the shock-absorbent
material, in the packaging.
Place shock-absorbent material evenly on all sides of
the transport packaging.
3. If possible, place a bag, containing a desiccant, inside
the packaging.
4. Label the shipment as transport of a highly-sensitive
measuring instrument.
Information on returns can be found under the
heading "Service" on our local website.
8.3 Disposal
Incorrect disposal can put the environment at risk.
Dispose of instrument components and packaging materi-
als in an environmentally compatible way and in accord-
ance with the country-specific waste disposal regulations.