HERBORNER pumpentechnik herborner.X, Руководство по эксплуатации

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Disturbance / cause / trouble shooting
44
8 Disturbance / cause / trouble
shooting
The facts and information described in this manual with
regard to “disturbance, cause and trouble shooting” are
addressed to specialists (see the definition in section 2.4
Safety measures) in the fields of
- electrical fitting/electronics
- mechanical fitting/maintenance
.
These personnel are to be provided with the appropriate
tools and inspection equipment.
If the specified measures prove to be unsuccessful, please
contact the manufacturer.
Important!
Before maintenance and repair work, you must observe
section 3.5 Shut off procedures.
Only use appliances and tools that are expressly intended
for this work.
Operational disturbances are not anticipated if this manual
is complied with in full.
Only dismantle the pump if all other measures have failed. If
disturbances are still evident, please contact our customer
service department.
Disturbance Cause Trouble shooting
Pump doesn't
pump. Danger of
running dry.
The pump and/
or pipeline is not
completely filled.
De-aerate and
fill the pump and
pressure pipe.
Supply pipe and/
or impeller ob-
structed.
Clean the supply.
Remove any
sediment depos-
its from the pump/
pipeline.
Motor doesn't run. Check the electri-
cal installation.
Gate valves
closed.
Open gate valves.
Head too high. Check the system
for any impurities
and/or the layout
of the pump.
Disturbance Cause Trouble shooting
The delivery of
the pump is too
low.
Density of the
pumped medium
is too high.
Dilute the
pumped medium
or alter the proc-
ess.
Concentration
of air/gas in the
pumped medium
is too high.
Further enquiry is
necessary.
Incorrect direction
of rotation of the
pump.
Check the direc-
tion of rotation
and exchange
two phases to the
motor if neces-
sary.
Impeller is loose
or worn.
Inspect the impel-
ler and replace if
necessary.
The pump is
pumping against
too high a pres-
sure.
Measure the
pressure. Change
the configuration,
check the layout
of the pump.
Gate valves
closed too far.
Turn gate valves
back.
Pipeline and/or
pump obstructed.
Check the
pipeline and/or
pump and clean if
necessary.
Running on two
phases.
Replace defective
fuse or check the
connections.
Pump vibrates or
makes a noise.
Concentration
of air/gas in the
pumped medium
is too high.
Further enquiry is
necessary.
Incorrect direction
of rotation of the
pump.
Check the direc-
tion of rotation
and exchange
two phases to the
motor if neces-
sary.
Impeller is loose
or worn.
Inspect the impel-
ler and replace if
necessary.
Pump doesn't
operate in the
specified operat-
ing range.
Check the operat-
ing conditions.