A364-04-880 Issue A
Page ii © Edwards Limited 2014. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Contents
5.10 Clean and overhaul the pump .........................................................................................29
5.11 Test the motor condition ..............................................................................................29
5.12 Fit new blades ...........................................................................................................29
5.13 Basic fault-finding ......................................................................................................29
5.13.1 The pump has failed to start ..........................................................................................29
5.13.2 The pump fails to achieve its specified performance .............................................................29
5.13.3 The pump is noisy ....................................................................................................... 30
5.13.4 The pump is too hot ....................................................................................................30
5.13.5 The vacuum is not fully maintained after the pump is switched off ...........................................30
5.13.6 The pumping speed is poor ............................................................................................31
5.13.7 There is an external oil leak ..........................................................................................31
6 Storage and disposal ........................................................................... 33
6.1 Storage ...................................................................................................................33
6.2 Disposal ...................................................................................................................33
7 Spares and accessories ......................................................................... 35
7.1 Introduction .............................................................................................................35
7.2 Service .................................................................................................................... 35
7.3 Spares ..................................................................................................................... 35
7.4 Accessories ...............................................................................................................36
7.4.1 Inlet dust-filter ..........................................................................................................36
7.4.2 Inlet catchpot ........................................................................................................... 36
7.4.3 High-capacity inlet dust-filter ........................................................................................36
7.4.4 Inlet chemical-trap .....................................................................................................36
7.4.5 Outlet catchpot .........................................................................................................37
7.4.6 Outlet mist-filter (clean applications) ..............................................................................37
7.4.7 Outlet mist-filter (toxic applications) ...............................................................................37
7.4.8 External oil filter .......................................................................................................37
7.4.9 Oil-level monitor ........................................................................................................ 38
7.4.10 Solenoid-operated gas-ballast control valve .......................................................................38
7.4.11 Vibration isolators ......................................................................................................38
For return of equipment, complete the HS Forms at the end of this manual.
Illustrations
Figure Page
1 The rotary vacuum pump (E2M40 shown) ............................................................................ 2
2 Dimensions E2M40 (mm) ................................................................................................ 6
3 Dimensions E2M80 (mm) ................................................................................................ 7
4 Connect inlet to ISO40 fittings ........................................................................................15
5 Connect inlet to NW40 inlet fittings .................................................................................16
6 Fine oil-filter and gas-ballast bearing-plate locations ............................................................25
7 Remove and replace inlet-filter ......................................................................................27
8 Oil-level sight-glass assembly .........................................................................................28
9 Accessories ...............................................................................................................39