DAB Drenag 900 T-NA [34/240] English

9. OFF-SERVICE AND DEMOLITION

In case of off service and demolition, follow scrupolously the local antipollution norms.

Proceed to the differentiated disposals according to the following list of materials composing the electric pumps in

standard version:

- impellers: cast-iron / plastic material (PPOM) / Nylon

- pump bodies, covers, motor covers: cast-iron / aluminium

- stator – rotor – shaft: steel / stainless steel / magnetic iron / copper

- electric cables – winding: copper / rubber sheathed

- liquid between the mechanical seals: mineral oil

Do not dispose of this product as if it was a normal refuse. Dispose of it at an appropriate differentiated collection

point, as required by the regulations in force.

English Use and maintenance instructions

Electric submersible pumps for sewage

Before any checking or maintenance proceed as follows:

- Disconnect the electric power supply being sure that same cannot be reconnected inadvertently.

- Check that implements and equipment used for handling, lifting and positioning are well dimensiones and

comply with local safety regulations.

- Proceed on safety conditions when there is the risk of toxic gas in the accumulation tank. Make sure of an

efcient ventilation and to be assisted by a second worker outside able to act promptly and in safety, when

necessary.

Regular checks on all hydraulic and mechanic components are necessary and for electric pumps equipped

with oil chamber for the mechanical seals it is necessary to check conditions and level of oil.

The frequency of controls depends on conditions of use of the electric pump.

Inspection frequency is necessary for a minimum of 4000 to a maximum of 8000 service hours and at least

every year.

Check that insulation resistance of electric pump is less than 5MW in air and less than 2MW in water with testing

current of 500V. in C.C.

7.2 EXTRA MAINTENANCE

Extra maintenance and repairs must be carried out only by authorized specialized workshops.

Use genuine spare parts only for repairs.

Order necessary spare parts following drawings.

The manufacturer declines any responsibility for eventual damages to persons, animals or things for

maintenance and repair interventions carried out by non authorized personnel or with no genuine spare parts.

Specify the following information when ordering spare parts:

1. The type of electric pump

2. Serial number and manufacturing year

3. Denomination and reference number of the spare parts

4. Required number of parts.

8. WARRANTY

Warranty of the product is subject to general sale conditions.

Warranty is recognized when all mechanical, hydraulic, electric norms and correct use indicated on the present

manual are respected.