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MPSU Rev1 - Operating Instructions
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
OFF
Before every maintenance operations
disconnect the power supply and make sure
that the device could not accidentally operate.
In the case of water containing chloride
(chlorine, sea water), the risk of corrosion
increases in stagnant water condictions (also
with an increase in temperature and decrease
of pH value). In these cases, if the pump
remains inactive for long periods, it must be
emptied completely and, preferably, dried.
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 .
Before restarting the unit, check that the shaft is not
jammed and fill the pump casing completely with liquid
(par. 7).
8.2. Dismantling the system
Close the suction and delivery gate valves and drain
the pump casing before dismantling the pump.
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.
11. ESIGNATION OF PARTS
Nr. Designation
12.01 Delivery casing
12.20 Screw
12.46 Plug
12.47 O-ring
14.02 External jacket
14.04 Plug
14.05 O-ring
14.20 O-ring
25.01 First stage casing
25.02 Stage casing
25.20 Preload ring stages
25.22 O-ring
25.24 Support ring preload
25.26 Washer
25.28 Screw
25.30 Circlip
25.32 Screw - Washer
25.34 Screw
28.00 Impeller
28.04 Impeller nut
28.08 Washer
34.03 Oil chamber cover
34.08 Plug
34.09 O-ring
34.12 Screw
34.13 O-ring
36.00 Mechanical seal
36.51 Retaining ring, split
36.52 Shoulder ring
61.00 Base
61.02 Screw
61.10 O-ring
70.00 Motor cover, pump side
70.08 O-ring
70.09 O-ring
70.11 Cable gland ring (float switch)
70.12 Cable gland rubber ring
70.13 Washer
70.16 Cable gland
70.20 Screw
70.23 O-ring
70.32 Washer (float switch)
70.33 Cable gland (float switch)
72.00 Upper mechanical seal
72.02 Circlip
73.00 Pump side bearing
76.01 Motor jacket with winding
76.12 Overload protection
76.15 Plug
76.60 Float switch
76.62 Jacket cover
78.00 Shaft with rotor packet
81.00 Bearing
82.02 Screw
82.03 O-ring
82.04 Compensating spring
82.05 Screw
82.07 Screw
82.12 O-ring
82.30 Plug
94.00 Capacitor
96.00 Cable
96.09 Screw
96.13 Gland for floating switch cable
(1) Oil
Changes reserved.
