KROHNE OPTIFLEX 4300C ATEX EN - Manual (Page 19)

SERVICE
5
19
OPTIFLEX 4300 C
www.krohne.com 02/2009 - 4000523601 - AD ATEX OPTIFLEX 4300 R01 en
Service
5.1 Periodic maintenance
No maintenance is necessary.
5.2 Keep the device clean
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.
5.3 Returning the device to the manufacturer
5.3.1 General information
This device has been carefully manufactured and tested. If installed and operated in accordance
with these operating instructions, it will rarely present any problems.
WARNING!
Do not let more than 5 mm / 0.2¨ of dust collect on the top of the device. This is a possible source
of ignition in a potentially explosive atmosphere.
DANGER!
Risk of electrostatic discharge from the plastic sun cover and the conduit of the remote housing
option.
CAUTION!
Should you nevertheless need to return a device for inspection or repair, please pay strict
attention to the following points:
•
Due to statutory regulations on environmental protection and safeguarding the health and
safety of our personnel, manufacturer may only handle, test and repair returned devices that
have been in contact with products without risk to personnel and environment.
• This means that the manufacturer can only service this device if it is accompanied by the
following certificate (see next section) confirming that the device is safe to handle.
CAUTION!
If the device has been operated with toxic, caustic, flammable or water-endangering products,
you are kindly requested:
•
to check and ensure, if necessary by rinsing or neutralizing, that all cavities are free from
such dangerous substances,
• to enclose a certificate with the device confirming that is safe to handle and stating the
product used.
AD_ATEX_OPTIFLEX4300_en_090528_4000523601_R01_D5D.book Page 19 Thursday, May 28, 2009 6:00 PM