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8012428/YWL2/3-0/2016-08| SICKO P E R A T I N G I N S T R U C T I O N S | DUSTHUNTER T
Subject to change without notice
5 MAINTENANCE
5.4 Shutdown
The measuring system must be shut down:
● Immediately when the purge air supply fails
● If the equipment is to be put out of operation for a longer period of time (as from approx.
1 week)
Work to be performed
▸ Loosen the connection line to the MCU.
▸ Dismantle the sender/receiver unit and reflector from the duct
▸ Close off the flange with tube with a blind plug.
▸ Switch off the purge air supply
▸ Loosen the hose clamps and pull the purge air hose off the connections and secure the
hose ends against dirt and moisture
▸ Disconnect the MCU control unit from the supply voltage.
Storage
▸ Store dismantled device parts in a clean, dry location.
▸ Use suitable auxiliary means to protect the connection line plug connectors against dirt
and moisture.
▸ 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: Hazard through gas and hot parts
▸ Observe the relevant safety regulations as well as the safety notices in Section 1
during all disassembly work.
▸ Only remove the sender/receiver unit and reflector on equipment with hazard
potential (higher internal duct pressure, hot or aggressive gases) when the equip-
ment is at a standstill.
▸ Take suitable protection measures against possible local hazards or hazards
arising from the equipment.
▸ Secure switches that should not be switched on again for safety reasons with
signs and safeguards to prevent unintentional switching.