GB
B-VT Rev3R - Operating Instructions
Page 11 / 28
9. DISPOSAL
OFF
European Directive
2012/19/EU (WEEE)
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
12.00 Casing cover
12.20 Screw
14.00 Pump casing
28.00 Impeller
28.20 Impeller key
46.00 Deflector
46.05 Screw
52.00 Bearing sleeve
64.08 Shaft sleeve
64.09 Compensating ring
73.00
Pump-side bearing
76.00
Motor casing with winding
76.04
Cable gland
78.00
Shaft with rotor packet
81.00
Fan-side bearing
82.00
Motor end shield, fan side
82.04
Compensating spring
88.00
Motor fan
90.00
Fan cover
92.00 Tie-bolt
98.00
Terminal box cover
98.04 Screw
98.08 Gasket
99.00
Motor, complete
Changes reserved.
12. TROUBLESHOOTING
OFF
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 authorised service centre.
PROBLEM
PROBABLE CAUSES
POSSIBLE REMEDIES
1) The motor does not
start
1a) Unsuitable power supply
1b) Incorrect electrical connections
1c) Engine overload protective device
cuts in.
1d) Blown or defective fuses
1e) Shaft blocked
1f) Motor failed
1a) Check that the mains frequency and voltage are suitable.
1b) Connect the power supply cable correctly. Check the setting of the
thermal overload protection.
1c) Check the power supply and make sure that the pump shaft is
turning freely. Check the setting of the thermal overload protection.
1d) Replace the fuses, check points a) and c)
1e) See “Blocked pump” instruction booklet
1f) Repair or replace the engine.
2) Pump blocked
2a) Prolonged periods of inactivity .
2b) Presence of solid bodies in the
impeller
2c) Bearings or bearing sleeve siezed
2a) Unblock the pump by using a screw driver to turn the relevant
notch on the back of the shaft.
2b) Remove any solid foreign bodies inside the impeller
2c) Replace the bearings or bearing sleeve.
3) The pump functions
but no water comes out
3a) Liquid level in tank too low
3a) Increase the liquid level
4) Insufficient flow
4a)
Pipes and accessories with
diameter too small
4b) Presence of deposits or solid bodies
in the impeller
4c) Rotor deteriorated
4d) Worn rotor and pump case
4e) Gases dissolved in the water
4f)
Excessive viscosity of the liquid
pumped
4g) Incorrect direction of rotation
4a) Use pipes and accessories suitable for the specific application
4b) Clean the impeller and install a suction filter
4c) Replace the impeller
4d) Replace the impeller and the pump casing
4e) Perform the opening and closing manoeuvres through the feeder
gate
4f) The pump is unsuitable
4g) Invert the electrical connections in the terminal board
5) Noise and vibrations
from the pump
5a) Worn bearings or bearing sleeve
5b) Unbalanced power supply
5a) Replace the bearings or bearing sleeve
5b) Check that the mains voltage is right
