A726-01-880 Issue M
Page ii © Edwards Limited 2010. All rights reserved.
Edwards and Edwards logo are trademarks of Edwards Limited.
Contents
4.5.3 Gas purges ...............................................................................................................23
4.6 Shut down ................................................................................................................23
5 Maintenance ..................................................................................... 25
5.1 Safety information ......................................................................................................25
5.2 Maintenance plan .......................................................................................................25
5.3 Inspect and clean the inlet strainer .................................................................................26
5.4 Inspect and clean the gas-ballast control (if fitted) ..............................................................26
5.5 Clean the external fan cover .........................................................................................27
5.6 Replace the tip seals and exhaust valve ............................................................................27
5.7 Test the motor condition ..............................................................................................27
5.8 Fault-finding .............................................................................................................28
5.8.1 The pump has failed to start ..........................................................................................28
5.8.2 The pump has failed to achieve the required performance ......................................................28
5.8.3 The pump is noisy .......................................................................................................28
5.8.4 The pump surface temperature is above 100 °C ...................................................................28
5.8.5 The pumping speed is poor ............................................................................................28
6 Storage and disposal ........................................................................... 31
6.1 Storage ...................................................................................................................31
6.2 Disposal ...................................................................................................................31
7 Spares and accessories ......................................................................... 33
7.1 Introduction .............................................................................................................33
7.2 Spares .....................................................................................................................33
7.3 Accessories ...............................................................................................................33
7.3.1 Solenoid operated pipeline valve ....................................................................................33
7.3.2 Gas-ballast adaptor (does not apply to 05 variants) ..............................................................33
7.3.3 Vibration isolators ......................................................................................................34
7.3.4 Exhaust nozzle kit ......................................................................................................34
7.3.5 XDS silencer ..............................................................................................................34
Index .............................................................................................. 35
For return of equipment, complete the HS Forms at the end of this manual.
Illustrations
Figure Page
1 The single-phase XDS dry pump ....................................................................................... 3
2 Performance characteristics ........................................................................................... 8
3 Dimensions ................................................................................................................ 9
4 Electrical interface: single-phase pumps ...........................................................................14
5 Underside of the pump ................................................................................................16
6 Three-phase electrical connections: 200-230 V ....................................................................16
7 Three-phase electrical connections: 380-460 V ....................................................................16
8 Inlet strainer assembly .................................................................................................26
9 Gas-ballast control assembly ..........................................................................................27