Edwards E2M275

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A366-04-880 Issue A

Edwards and the Edwards logo are trademarks of Edwards Limited.

Contents

5.12 Basic fault-finding ......................................................................................................25

5.12.1 The pump has failed to start ..........................................................................................25

5.12.2 The pump fails to achieve its specified performance .............................................................25

5.12.3 The pump is noisy ....................................................................................................... 26

5.12.4 The pump is too hot ....................................................................................................26

5.12.5 The vacuum is not fully maintained after the pump is switched off ...........................................26

5.12.6 The pumping speed is poor ............................................................................................26

5.12.7 There is an external oil leak ..........................................................................................26

6 Storage and disposal ........................................................................... 27

6.1 Storage ...................................................................................................................27

6.2 Disposal ...................................................................................................................27

7 Service, spares and accessories .............................................................. 29

7.1 Introduction .............................................................................................................29

7.2 Service ....................................................................................................................29

7.3 Spares .....................................................................................................................29

7.4 Accessories ...............................................................................................................30

7.4.1 Inlet dust-filter ..........................................................................................................30

7.4.2 Inlet catchpot ........................................................................................................... 30

7.4.3 High-capacity inlet dust-filter ........................................................................................30

7.4.4 Inlet chemical-trap .....................................................................................................30

7.4.5 Outlet catchpot .........................................................................................................30

7.4.6 Outlet mist-filter (clean applications) ..............................................................................31

7.4.7 External oil filter .......................................................................................................31

7.4.8 Solenoid-operated gas-ballast control valve .......................................................................31

7.4.9 Thermostatic control valve ............................................................................................31

7.4.10 Vibration isolators ......................................................................................................32

For return of equipment, complete the HS Forms at the end of this manual.

Illustrations

Figure Page

1 The E2M175 pump ....................................................................................................... 2

2 Dimensions E2M175 (mm) ............................................................................................... 6

3 Dimensions E2M275 (mm) ............................................................................................... 7

4 Oil level indication .....................................................................................................13

5 Remove and replace filter-element ..................................................................................22

6 Remove and replace gas-ballast filter-elements ...................................................................23

7 Remove and replace inlet-filter ......................................................................................24

8 Accessories ...............................................................................................................32

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