Repairs - ITT VOGEL-Pumpen TVS 8.1 Série Instructions De Montage, De Service Et De Maintenance

Installation, Operating and Maintenance Instruction
4. Rotates in the wrong direction
• Swap over phases of power supply
5. Motor winding or electrical cable defective
• Ask for assistance
6. Motor gets caught at the star delta at the star stage
• Replace star delta converter
7. Voltage loss due to burned out safety fuse
• Replace safety fuse
8. Voltage loss due to defective feeding cables
• Renew cables
9. Voltage loss due to motor protection switch being released
• Establish the causes
• Reset the motor protection switch
10. Pump is blocked due to impurities
• Dismantle and clean the pump part
11. Pump does not reach the handled liquid due to it not being installed deeply enough
• Check the water level
• Hang the unit deeper
12. Defective coupling
• Replace shaft + coupling
13. Gate valve closed
• open
14. Suction filter displaced by foreign bodies
• Take out pump and clean the suction filter
15. uninspected, wrong direction of rotation
• change direction of rotation
16. Gate valve not quite open
• open
17. Pipes constricted by foreign bodies
• clean pipes
18. Well filter blocked
• Consult well sinker company
19. Leakage in the delivery pipe
• Check pipes
20. Impellers worn because liquid handled is aggressive or contains sand
• Dismantle unit and replace the impellers (be careful when selecting material)
21. Impellers worn due to cavitation
• Check operating conditions
22. too little speed due to under voltage or wrong frequencies
• Check mains voltage and mains frequency
23. too little speed because running in 2 phases
• check electrical branch circuit connections and safety fuses
24. Flow rate too high or too low
• Adjust valve

10. Repairs

Repairs to the pump or pump system may only
be carried out by authorized skilled personnel or
by the manufacturer's specialist staff.
Trained Customer Service engineers are available to
assist with installation and repair work on request.
TVS 100-english
Article No 771072001
When removing the pump or the motor, you must
comply with Point 1.4 "Safety instructions", Point 3.1
"Transport, Handling" and Point 6.3 "Shutting down".
page 34
Model TVS
Revision 01
Issue 11/2006