bottlenecks in the intake circuit (inadequate pipe section, dirty lter, very dense liquid being
the use of very aggressive chemicals
Only Skilled Technicians are authorised to carry out special maintenance.
Dispose of waste oil correctly; do not throw it away in the environment
Follow the instructions in the table below for special maintenance.
The data in the table are indications. Maintenance may be required more frequently in cause of
8. DISMANTLING AND DISPOSAL
Only trained personnel are allowed to dismantle the pump in accordance with the current regulations
in the country where it is installed.
9. PROBLEMS, CAUSES AND SOLUTIONS
Before undertaking any action, follow the instructions in the
“SWITCHING OFF” section. “SWITCHING OFF”
If it is not possible to restore correct operation of the pump using the information in the table
INTERVAL FOR MAINTENANCEINTERV
At the end of every season
Check the intake and delivery valves (1)
e used with suspended abrasive particles.
dless of their condition if particularly aggr
Oil must be changed when diaphragms ar
eplaced; first oil change must take place
equently if the pump operates in conditions of heavy vibration.
and water flow (pulsating)
Excessive vibration in delivery cir
Excessive noise associated
Excessive consumption of oil
and/or oil is whitish colour
Adjustment valve positioned
Bottlenecks in intake cir
Refer to instructions in section 7.1.1.