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Service, 1 periodic maintenance, 2 how to clean the top surface of the device – KROHNE OPTIWAVE 7300C EN User Manual

Page 82

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7

SERVICE

82

OPTIWAVE 7300 C

www.krohne.com

03/2014 - 4000172405 - HB OPTIWAVE 7300 R07 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.

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.