generator may be damaged.
Therefore:
- AIways switch the generator on and off without load!
This means:
- Starting: aiways switch the generator ON first - and
the motor afterwards!
GB
- Stopping: always switch the motor OFF first - and
the generator afterwards!
7.4. 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. Disconnect electrical power
before any servicing operation.
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
Absorbed current and head supplied by the pump
must be checked at regular intervals.
This procedure should be carried out frequently
when water contains considerable quantities of sand.
In the case of emergency systems, it is advisable to
operate the pumps once a month in order to avoid
the risk of blocking and to maintain and verify perfect
efficiency.
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 12 / 72
11. DESIGNATION OF PARTS
Nr. Part designation
10.16 Gasket
12.01 Delivery casing
12.02 Bush casing
12.03 Bearing sleeve (stationary part)
12.04 Valve guide
12.05 Circlip
12.06 Valve seat
12.10 Valve set
12.12 Valve joint
12.16 Plug
12.30 Stage bearing sleeve
12.31 Bearing sleeve (rotating part)
13.12 Counterflange, delivery side
13.13 Flange gasket, delivery side
13.16 Screw
14.02 External jacket
14.54 Wear ring
15.20 Screw
15.50 Strainer
25.02 Stage casing
25.04 Gasket
25.06 Screw
26.00 Diffuser (pump)
26.02 Diffuser plate
26.08 Diffuser sleeve
26.10 Conveyor ring
28.00 Impeller
28.02 Counter thrust bearing ring
28.04 Impeller nut (or screw)
28.05 Circlip
28.07 Washer
28.08 Washer
28.20 Impeller key
28.24 Locking sleeve
32.02 Suction lantern
34.02 Upper cover
46.50 Sand guard
64.00 Pump shaft
64.08 Shaft sleeve
64.10 Bearing sleeve
64.13 Upper spacer sleeve
64.14 Lower spacer sleeve
64.15 Intermediate spacer sleeve
64.18 Spacer sleeve
64.19 Spacer sleeve
64.20 Key for shaft end
64.21 Coupling
64.22 Coupling, set
64.23 Washer
64.24 Shear pin
64.25 Screw
64.26 Adapter thickness
70.13 Washer
70.19 Nut
70.20 Screw
96.00 Cable
96.04 Cable guard
96.08 Clamp
96.09 Screw
99.00 Complete motor
Changes reserved.
SD, SDX, SDS_Rev15 - Operating Instructions