100 DUSTHUNTER T · Operating Instructions · 8012428 V 2.0 · © SICK MAIHAK GmbH Germany
Maintenance
5.4 Shutdown
The measuring system must be shut down:
● Immediately when the purge air supply fails
● If the equipment is to be shutdown for a longer period of time (as from approx. 1 week)
Work to be performed
b
Loosen the connection cable to the MCU
b
Dismantle the sender/receiver unit and reflector from the duct
b
Close off the flange with tube with a blind flange
b
Switch off the purge air supply
b
Loosen the hose clamps and pull the purge air hose off the connections and secure the
hose ends against dirt and moisture
b
Disconnect the control unit from mains voltage.
Storage
b
Store dismantled device parts in a clean, dry location.
b
Use suitable auxiliary means to protect the connection cable plug-in connector against
dirt and moisture.
b
Secure purge air hoses against penetration by dirt and moisture.
NOTICE:
Never switch off or interrupt the purge air supply when the sender/receiver
unit and reflector are fitted on the duct.
WARNING:
b
Observe the relevant safety regulations as well as the safety notices in
Section 1 during all disassembly work.
b
Only carry out disassembly work for measuring systems on equipment
with hazard potential (hot or aggressive gases, higher internal duct
pressure) when the equipment is at a standstill.
b
Take suitable protection measures against possible local hazards or
hazards arising from the equipment.
b
Secure switches that should not be switched on again for safety reasons
with signs and safeguards to prevent unintentional switching.
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