DAB NOVA 설치 및 유지보수 지침 - 페이지 8

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MAINTENANCE

7.1

After starting up the plant, it is advisable to inspect and clean it, especially the no return valve, about

every three months. This interval may be increased after the first inspections have given a favourable

outcome.

7.2

Clean the pump accurately, removing any foreign bodies stuck in the intake grille and check that the

float moves freely. If necessary, remove the pump from the tank.

7.3

To take out the pump, release it from the delivery duct, unscrewing the two ring nuts of the elbow

connections (161a).

7.4

It is recommended to clean the system at least once a year with running water, operating the pump

repeatedly.

7.5

To guarantee good operation of the breather filter (42), it must be cleaned at least every six months

with soap and water.

FAULT

1. Water

overflowing from

the tank and the

pump

not

working.

DIMENSIONS

CHECK (POSSIBLE CAUSES)

A. Delivery pipe blocked.

B. No return valve blocked.

C. Pump characteristics are insufficient.

D. The pump intake grille is blocked.

ENGLISH

A. Remove the obstructions.

B. Clean the valve.

D. Remove the obstructions.

REMEDY