GB
Page 12 / 64
A,AS Rev13 - Operating Instructions
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.
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 register all maintenance operation
executed.
i
During maintenance keep particular
attention in 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.
i
During maintenance operations external
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
ON
Before every maintenance operations
disconnect the power supply and make
sure that the device could not accidentally
operate.
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.
Spare-parts request
When ordering spare parts, please quote their
designation, position number in the cross section
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.
A,AS Rev13.indd 12
11/06/15 10:49
