Maintenance
7
Maintenance
WARNING
Risk of injury and poisoning due to hazardous or hot
media.
Use personal protective equipment when carrying out any
work on the device.
Allow device to cool.
Make sure the device is depressurized.
Block the media supply to the device.
Empty the process pipework, safely collect the media and
dispose of it in accordance with environmental regulations.
Switch off the power supply to the system.
Secure power supply against being switched back on
again.
Provide warning of maintenance and repair work and set
up warning signs.
7.1
Servicing
Interval
Action
As necessary
Clean device with a damp cloth.
Six-monthly
Visual and function check:
–
Normal operating conditions
unchanged
–
No leaks
–
Measuring tube and
fl
oat for
deposits or changes to surface
Tab. 3
Servicing activities
Perform maintenance tasks according to the table.
7.2
Maintenance
WARNING
Risk of injury during disassembly!
Wear protective gloves, components can be very sharp-
edged due to wear or damage.
7.2.1
Removing
fi
tting
1. Ensure that:
–
System is empty
–
System has been
fl
ushed
–
System is depressurized
–
System has cooled down
–
System is secured against being switched back on
again
2. Remove
fi
tting from the pipe.
3. Decontaminate
fi
tting if required.
–
Dead space in the
fi
tting may still contain medium.
7.3
Replacement parts and return
1. Have the following information ready to hand when order-
ing spare parts
–
Device type
–
ID number
–
Nominal pressure and diameter
–
Connection and gasket material
2. Please complete and enclose the document of compliance
for returns (
→
www.asv-stuebbe.com/service/downloads
).
3. Only use spare parts from ASV Stübbe.
10
DFM 165 – 350
BA-2016.08.09 EN
300 458