EBARA JEU - Manual (Page 12)

Ebara Self Priming Jet Pumps JEU
Troubleshooting (continued)
Type of Fault
The pump stops after brief periods of operation (booster set applications).
Cause Remedy
Very small difference between Increase the difference in pressure
maximum and minimum pressure
Type of Fault
The pump does not stop.
Cause Remedy
Maximum pressure too high Set the maximum pressure at lower
values
Type of Fault
The pump vibrates or makes too much noise while operating
Cause Remedy
Flow rate too high reduce flow rate
Cavitation Contact Ebara
Irregular piping adjust the pipe configuration
Noisy bearing Contact Ebara
Foreign bodies rubbing remove the foreign bodies against the
motor fan
Ebara Fluid Handling
1651 Cedar Line Drive • rock Hill, SC 29730
(t) 803 327 5005 • (f) 803 327 5097
www.pumpsebara.com
© 2005 Ebara International Corporation EFH JEU1003 0112