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17
Decommissioning and disposal
Decommissioning
User qualification: Technical personnel and service - see
of personnel' on page 14
WARNING!
Danger from chemical residue
There is normally chemical residue in the liquid end and
on the housing after operation. This chemical residue
could be hazardous to people.
–
It is mandatory that the safety information in the
"Storage, transport and unpacking" chapter is read
before shipping or transport.
–
Thoroughly clean the liquid end and the housing of
chemicals and dirt. Adhere to the material safety
data sheet for the feed chemical.
WARNING!
Warning of hazardous feed chemical
Should a dangerous feed chemical be used: it may
escape from the hydraulic components when working on
the pump, material failure or incorrect handling of the
pump.
–
Take appropriate protective measures before
working on the pump (e.g. safety glasses, safety
gloves, ...). Adhere to the material safety data sheet
for the feed chemical.
–
Drain and flush the liquid end before working on the
pump.
CAUTION!
Warning of feed chemical spraying around
Feed chemical may spray out of the hydraulic compo‐
nents if they are tampered with or opened due to pres‐
sure in the liquid end and adjacent parts of the system.
–
Disconnect the pump from the mains power supply
and ensure that it cannot be switched on again by
unauthorised persons.
–
Ensure that the system is at atmospheric pressure
before commencing any work on hydraulic parts of
the system.
Danger of damage to the device
Take into account the information in the "Storage, trans‐
port and unpacking" chapter if the system is decommis‐
sioned for a temporary period.
1.
Disconnect the pump from the mains power supply.
2.
Drain the liquid end, for instance through bleed valves installed by
the operator.
3.
Flush the liquid end with a suitable medium; flush the dosing head
thoroughly when using hazardous feed chemicals!
Decommissioning and disposal
Ä 'Qualification
89
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