Table des Matières
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Pompe con moltiplicatore
Pumps with overgear
Pompes avec multiplicateur
Pumpen mit Multiplikator
Bombas con multiplicador
9.
Off service and demolition
materials composing the pumps in the standard version reported in the annex.
10.
Spare parts
11.
Troubleshooting
contact the Rovatti Service Centres.
Faults
Blocked pump
Pump does not prime
or capacity
Pump is noisy and
vibrates
22
MGPT155R0
Possible causes
Foreign bodies inside the pump
Air inside the suction pipe
Excessive suction head
Too low rotation speed
Wrong rotation (pump driven by electric motor)
Impellers and wear plate worn-out
Pressure in delivery pipe
Increased water temperature in the pump body
Clogged suction grid
Suction pipe reduces the section due to crushing depressure
Rotation speed too low
Excessive suction head
Air inside the suction pipe
Impellers and wear plate worn-out
Functioning in cavitation
Manuale d'uso e manutenzione
Instructions for use and maintenance
EN
Manuel d'utilisation et d'entretien
Betriebs-und Wartungsanleitung
Manual de uso y mantenimiento
Rovatti Spares Pro" available on
Remedies
Disassemble suction support or pump
Disassemble the pump and replace parts
Check gaskets and connections
Reduce the suction head
Increase the rotation speed
Replace the suction pipe
Invert the rotation
Replace
Breath air by the drainage cock
Fill with cold water
Wash and remove clogging
Replace the suction pipe
Increase the rotation speed
Reduce the suction level
Check gaskets and connections
Replace
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