AEG Electrolux EHG 679 B Instrucciones de operaciones descargar pdf (Pagina 21)

GA 01.202/9.02 - 03/96

Maintenance

3.8.1 Waste Disposal of Used Pump

Materials

The corresponding environmental and safety regulations

apply. This applies equally to used filters and filter ele-

ments (oil filter, exhaust filter and dust filter).

- In the case of hazardous substances

determine the kind of hazard first and

observe the applicable safety regulations. If

the potential hazard still persists, the pump

must be decontaminated before starting

with any maintenance work. For professio-

nal decontamination we recommend our

Leybold service.

- Never exchange the oil or the filters while

the pump is still warm. Let the pump cool

down to uncritical temperatures first. You

must wear suitable protective clothing.

3.9 Storing the Pump

Before putting a pump into operation once

more it should be stored in a dry place pre-

ferably at room temperature (20 °C). Before

the pump is shelved it must be properly dis-

connected from the vacuum system, pur-

ged with dry nitrogen and the oil should be

changed too.

The inlets and outlets of the pump must be

sealed with the shipping seals which are

provided upon delivery.

The gas ballast switch must be set to the „0“

position and if the pump is to be shelved for

a longer period of time it should be sealed

in a PE bag containing some desiccant (sili-

ca gel).

When a pump is put into operation after it has been shel-

ved for over one year, standard maintenance should be

run on the pump and the oil should also be exchanged

(see Operating Instructions). We recommend that you

contact the Leybold service.

Fig. 13 Removing and Remounting the Pump Module

Key to Fig. 13

1 Hex. nuts

2 Pump module

3 Washer

4 Gasket

5 Coupling element

6 Tie rods

Caution

Attention

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AEG Electrolux EHG 679 B Instrucciones de operaciones Pagina 21

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