KROHNE OPTIWAVE 6300C EN - Manual (Page 71)

SERVICE
7
71
OPTIWAVE 6300 C
www.krohne.com 03/2014 - 4000547004 - HB OPTIWAVE 6300 R04 en
7.1 Periodic maintenance
No maintenance is necessary.
7.2 How to clean the top surface of the device
Obey these instructions:
• Keep the thread of the terminal compartment cover clean.
• If dirt collects on the device, clean it. Wipe the plastic sun cover with a damp cloth.
7.3 How to clean horn antennas under process conditions
If it is possible that there will be build-up, a purging option is available for horn antennas.
For more data, refer to the table that follows:
How to use the purge
7.4 How to replace device components
7.4.1 Service warranty
Maintenance is not necessary for most applications.
WARNING!
Do not let more than 5 mm / 0.2
¨ of dust collect on the top surface of the device. This is a
possible source of ignition in a potentially explosive atmosphere.
DANGER!
Risk of electrostatic discharge from the blue plastic sun cover.
WARNING!
Purge the antenna with a dry gas that is applicable to the process.
CAUTION!
Purge the antenna at intervals to make sure that the inner surface of the antenna stays clean
and the device measures accurately.
Process conditions How to use the purge
There is a risk of build-up in the
antenna
Continuous use. Use low-pressure, low-flow dry gas to remove dust
from the antenna.
There is a build-up or risk of
build-up in the antenna
Purge at intervals. Use compressed air, nitrogen or another dry gas
that is applicable to the process up to 6 bar / 87 psi.