A366-04-880 Issue A
Page ii © Edwards Limited 2014. All rights reserved.
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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