Maintenance And Service - EBARA BHE Serie Manual De Empleo E Instalación

pump sucks air. In the long term, this causes
damages due to poor cooling and lubrication.
8. TROUBLESHOOTING
Zero flow rate
G G
Poor flow rate
G G Poor pressure
G G
The pump starts and stops too frequently
G G
Excessive current absorbed by the electro-pump
G G
Possible causes related to the pump
(Motor and panel excluded)
Well water level too low
I I I I I I
Suction screen clogged
I I I I
Delivery valve closed or blocked
I I I I
I I Pump silted up
I I
I I I I I I Wrong direction of rotation
Pump capacity exceeds well capacity
I I I I
Leaks in the system
I I
Worn pump
I I
Pressure switch or level control improperly set
I I
Tank too small
I I
I I Mechanical friction
9. DISPOSAL
This product or parts of it must be disposed using the local public or private waste collection service.

7. MAINTENANCE AND SERVICE

The pumps are maintenance-free.
All pumps are easy to service.
Use the Service Kits and the special tools for
maintenance.
The Service Manual is available upon request.
Before performing any operation on the
pump or on the motor, verify that the
power supply is disabled and that it can-
not accidentally be enabled again.
Solution
Wait until well water level is restored,
or if possible, lower the pump further
Pull out the assembly and clean it
Find and replace the defective valve
Pull out the assembly and clean it
Carry out instructions as in 4.2
Replace pump with one of lower
capacity
Locate leaks and repair them
Pull out the assembly and overhaul it
Adjust setting
Replace tank with a larger one
Pull out the pump and overhaul it
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