Routine Maintenance; Disposal; Spare Parts; Esignation Of Parts - Calpeda MXH Serie Instrucciones De Uso

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8.1. Routine maintenance

OFF
Before
disconnect the power supply and make sure
GB
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
(par. 12.3 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
OFF
Close the suction and delivery gate valves and drain
the pump casing before dismantling the pump (par. fig.
5).
For dismantling and re-assembly see construction
in the cross section drawing.
By removing the screws (14.24) and the square nuts
(14.28 for MXH 2,4,8) the motor can be taken out
complete, with all internal parts of the pump, without
removing the pump casing (14.00) and the pipes.

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.
Page 6
every
maintenance

11. ESIGNATION OF PARTS

Nr.
14.00
14.04
14.06
operations
14.12
14.16
14.20
14.24
14.28
14.54
25.01
25.02
25.03
25.05
25.10
25.11
28.00
28.04
28.08
32.00
34.00
34.12
36.00
36.51
36.52
46.00
64.10
64.13
64.14
64.15
64.19
70.00
70.18
70.20
73.00
76.00
76.04
76.16
76.54
78.00
81.00
82.00
82.04
82.08
88.00
88.04
90.00
90.04
92.00
94.00
94.02
98.00
98.04
98.08
(1) Inserted in the stage casing
(2) Only for MXH 805
Changes reserved.
Designation
Pump casing
Plug (filling)
O-ring
Plug (draining)
O-ring
O-ring
Screw
Square nut
Wear ring (1)
First stage casing
Stage casing
Stage casing with bearing (2)
Last stage casing
Washer for missing impeller
First stage spacer
Impeller
Impeller nut
Washer
Lantern bracket
Casing cover
Screw
Mechanical seal
Retaining ring, split
Shoulder ring
Deflector
Bearing sleeve (2)
Spacer sleeve
Spacer sleeve
Spacer sleeve
Spacer sleeve, bearing stage (2)
Lantern bracket
Screw
Screw
Pump-side bearing
Motor casing with winding
Cable gland
Support
Terminal box, set
Shaft with rotor packet
Fan-side bearing
Motor end shield, fan side
Compensating spring
Screw
Motor fan
Compensating spring
Fan cover
Screw
Tie-bolt
Capacitor
Capacitor gland
Terminal box cover
Screw
Gasket
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