Maintenance; Routine Maintenance; Disposal; Spare Parts - Calpeda A Serie Instrucciones De Uso

7.4. Gate valve regulation
With the gate valve completely open or with an outlet
pressure lower than the minimum pressure shown on
the name-plate, the pump may be noisy. To reduce
noise regulate the delivery gate valve.
GB
7.5. Switch off of the pump
ON
The appliance must be switch off every time there are
faults. (see troubleshooting).
The product is designed for a continuous duty, the
switch off is performed by disconnecting the power
supply by means the expected disconnecting devices.
(see paragraph "6.5 Electrical connection").

8. MAINTENANCE

Before any operations it's necessary to disconnect the
power supply.
If required ask to an electrician or to an expert
technician.
Every maintenance operations, cleaning or
reparation executed with the electrical system
under voltage, it could cause serious injuries to
people.
If the supply cord is damaged, it must be
replaced by the manufacturer, its service agent
or similarly qualified persons in order to avoid
a hazard.
In case of extraordinary maintenance, or maintenance
operations that require part-removing, the operator
must be a qualified technician able to read schemes
and drawings.
It is suggest to
executed.
During maintenance keep particular attention in
i
order to avoid the introduction of small external
parts, that could compromise the device safety.
It is forbidden to execute any operations with the
direct use of hands. Use water-resistant, anti-
cut gloves to disassemble and clean the filter or
in other particular cases.
During
i
personnel is not allowed.
Maintenance operations that are not described in
this manual must be made only by special personnel
authorized by Calpeda S.p.A.
For further technical information regarding the use or
the maintenance of the device, contact Calpeda S.p.A.

8.1. Routine maintenance

OFF
Before
disconnect the power supply and make sure
that the device could not accidentally operate.
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register all maintenance operation
maintenance operations
every maintenance
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Never introduce fingers in the inspection
opening A 65, A 80 (after removing the cover
14.70) unless it is absolutely certain the impeller
has stopped rotating completely.
When the pump remains inactive it must be emptied
completely if there is a risk of freezing (fig. 3).
Before restarting the unit, check that the shaft is not
jammed and fill the pump casing completely with liquid.
8.2. Dismantling the system
Close the suction and delivery gate valves and drain the
pump casing before dismantling the pump.
8.3. Dismantling the pump
OFF
Close the suction and delivery gate valves and drain the
pump casing before dismantling the pump.
For dismantling and reassembly see construction in the
cross section drawing.
The motor and all internal parts can be dismantled
without removing the pump casing and pipes.
By removing the nuts (14.24) the motor can be taken
out complete with the impeller.

9. DISPOSAL

OFF
The final disposal of the device must be done by
specialized company.
Make sure the specialized company follows the
classification of the material parts for the separation.
Observe the local regulations and dispose the device
accordingly with the international rules for environment
protection.

10. SPARE PARTS

10.1.
When ordering spare parts, please quote their
designation, position number in the cross section
external
drawing and rated data from the pump name plate
(type, date and serial number).
The spare parts request shall be sent to CALPEDA
S.p.A. by phone, fax, e-mail.
Changes reserved.
operations
Spare-parts request
A,AS Rev14.indd - Operating Instructions