Cleaning And Maintenance - ProDetec Sintrol Dumo User Manual

11 Cleaning and Maintenance

Always turn off and unplug the Dumo when you are not using it, when you intend to clean it, or in

the event of a malfunction.
Stand on an insulating pad and make it a habit to only use one hand when checking components.

Always work with another person in case an emergency should occur.

Disconnect power before checking the Dumo or performing maintenance.

Make sure all equipment is properly grounded.

Always wear safety glasses when working on the power supply.

 Read and understand user manual before installation.
Interval during first
month of operation
Daily
Weekly
 If you find unusual behavior, contact Sintrol or your local distributor to make sure that the
instrument is inspected and approved by an expert consultant who is responsible for the integrity of
the system design and compliance with locally accepted codes.
Always follow the above specified cleaning and maintenance intervals and contents.

For uncritical installations where malfunctions DO NOT lead to dangerous or hazardous situations or any
consequential health impacts:
Interval after first month
for uncritical installations
Depending on condition
Risk of electric shock!
A faulty electrical installation, excessive line voltage, or incorrect
operation may result in an electric shock.
Content
Visual inspection of the outer parts of the instrument, its accessories, media

supplies and cables to assure that there are no obvious damages.
Check that the fan is rotating freely

Check that all operations are according to the initial intended condition.

Check that the lid, the cable glands or conduits are closed and tight

Remove the front cover of the Dumo and clean the probe with compressed

air, a fabric or if necessary, a brush.
Remove the rear cover of the Dumo and clean the fan with compressed air,

a fabric or if necessary, a brush
Perform a bump test by applying an unusual amount of dust to the sensor

and observe that it will react
Risk of malfunction for critical installations where malfunctions may lead
to dangerous and hazardous situations and severe consequential health
impacts.
Content
The cleaning and maintenance interval vary, depending on monitoring

conditions, dust concentrations and other substances in the measuring gas.
It is subject of the plant operator to decide if longer or shorter intervals are
necessary or appropriate.
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