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.
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.
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 the
manufacturer.
For further technical information regarding the use or the
maintenance of the device, contact the manufacturer.
8.1. Routine maintenance
Before every maintenance operations disconnect the
power supply and make sure that the device could not
accidentally operate.
For good measure, as in the case of temporary
operation with dirty liquids, run the pump briefly with
clean water to remove deposits.
When the pump remains inactive it must be emptied completely
if there is a risk of freezing (par. 13 fig. 5).
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
Close the suction and delivery gate valves and drain the pump
casing before dismantling the pump (par. 13 fig. 5).
For dismantling and re-assembly see construction
in the cross section drawing.
9. DISPOSAL
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 the manufacturer by
phone, fax, e-mail.
11. DESIGNATION OF PARTS
N° Designation N° Designation
14.00 Pump casing
14.04 Plug
14.12 Plug
14.20 O-ring
14.24 Screw
14.46 Plug with washer
22.00 Ejector
22.12 O-ring
22.16 O-ring
26.00 Diffuser
26.02 Diffuser plate
26.06 O-ring
28.00 Impeller
28.04 Impeller nut
28.12 Circlip
28.20 Impeller key
32.00 Lantern bracket
34.00 Casing cover
36.00 Mechanical seal
36.52 Shoulder ring
46.00 Deflector
i
OFF
ON
i
OFF
ON
i
OFF
ON
i
OFF
ON
i
OFF
ON
i
OFF
ON
i
OFF
ON
i
OFF
ON
i
OFF
ON
i
OFF
ON
i
OFF
ON
i
OFF
ON
i
OFF
ON
i
OFF
ON
70.00 Lantern bracket
73.00 Ball bearing
76.00 Motor casing with winding
76.04 Cable gland
76.16 Support
76.20 Pin
76.54 Terminal box, set
78.00 Shaft with rotor packet
81.00 Ball bearing
82.00 Motor end shield
82.04 Compensating spring
82.08 Screw
88.00 Motor fan
90.00 Fan cover
90.04 Screw
92.00 Tie-bolt
94.00 Capacitor
94.02 Capacitor gland
98.00 Terminal box cover
98.04 Screw
98.08 Gasket
Changes reserved
12. TROUBLESHOOTING
WARNING:
Turn off the power supply before performing any operations.
Do not allow the pump or motor to run when dry even for a
short period.
Strictly follow the user instructions and if necessary contact an
authorized service centre.
