A462-26-880
Issue F
Instruction Manual
EMF3, EMF10 and EMF20
Oil Mist Filters
Description Item Number
EMF3 Oil Mist Filter A462-20-000
EMF10 Oil Mist Filter A462-26-000
EMF20 Oil Mist Filter A462-29-000
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© Edwards Limited 2008. All rights reserved. Page i
Edwards and the Edwards logo are trademarks of Edwards Limited.
Contents
A462-26-880 Issue F
Contents
Section Page
1 Introduction ....................................................................................... 1
1.1 Scope and definitions ................................................................................................... 1
1.2 Description ................................................................................................................ 1
1.3 Applications ............................................................................................................... 3
1.4 Connections ............................................................................................................... 3
2 Technical data .................................................................................... 5
2.1 Operating and storage conditions ..................................................................................... 5
2.2 Performance .............................................................................................................. 5
2.3 Mechanical data .......................................................................................................... 5
3 Installation ......................................................................................... 7
3.1 Unpack and inspect ...................................................................................................... 7
3.2 Install the EMF filter .................................................................................................... 7
3.2.1 Install the EMF filter on Speedivac 2 pumps ......................................................................... 7
3.2.2 Install the EMF filter on other pumps ................................................................................. 8
4 Operation .......................................................................................... 9
5 Maintenance ..................................................................................... 11
5.1 Introduction .............................................................................................................11
5.2 Change the filter elements ............................................................................................ 11
6 Storage and disposal ........................................................................... 13
6.1 Storage ...................................................................................................................13
6.2 Disposal ...................................................................................................................13
7 Spares and accessories ......................................................................... 15
7.1 Introduction .............................................................................................................15
7.2 Spares .....................................................................................................................15
7.3 Accessories ...............................................................................................................16
7.3.1 Fittings ...................................................................................................................16
7.3.2 Oil drain kits ............................................................................................................. 16
For return of equipment, complete the HS Forms at the end of this manual.
Illustrations
Figure Page
1 Component parts of the EMF oil mist filters ......................................................................... 2
2 Dimensions (mm) ........................................................................................................ 6
3 Fit the filter to the pump .............................................................................................. 8
dcs/7885/02/08
A462-26-880 Issue F
Page ii © Edwards Limited 2008. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Contents
Tables
Table Page
1 Checklist of items ........................................................................................................ 7
© Edwards Limited 2008. All rights reserved. Page 1
Edwards and the Edwards logo are trademarks of Edwards Limited.
Introduction
A462-26-880 Issue F
1Introduction
1.1 Scope and definitions
This manual provides installation, operation and maintenance instructions for the Edwards EMF Oil Mist Filters. You
must use the EMF Oil Mist Filter as described in this manual.
Read this manual before you install and operate your EMF series filter. Important safety information is highlighted as
WARNING and CAUTION instructions; you must obey these instructions. The use of WARNINGS and CAUTIONS is defined
below.
CAUTION
Cautions are given where failure to observe the instruction could result in damage to the equipment, associated
equipment and process.
The units used throughout this manual conform to the SI international system of units of measurement.
1.2 Description
The EMF Oil Mist Filters (shown in Figure 1) are used to separate and trap oil mist and odours discharged with the
exhaust from oil sealed rotary vacuum pumps. All of the EMF Oil Mist Filters are similar in construction.
The Oil Mist Filters have two-part injection moulded plastic bodies which contain a fibre composite oil mist filter and
an activated carbon odour filter.
Exhaust gases from the pump travel upwards to the centre of the Oil Mist Filter and through the filter element to the
outside. Oil droplets that are trapped by the fibre composite element travel down the filter and collect in a reservoir
in the base of the Oil Mist Filter.
WARNING
Warnings are given where failure to observe the instruction could result in injury or death to
people.
A462-26-880 Issue F
Page 2 © Edwards Limited 2008. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Introduction
Figure 1 - Component parts of the EMF oil mist filters
1. Outlet
2. Odour element seal
3. Pressure relief valve assembly
4. Drain plug
5. Mist filter element O-ring
6. Inlet
7. Lower body (white)
8. Mist filter element
9. D-seal
10. Upper body (grey)
Pump exhaust gas
Oil droplets
11. Odour element
12. Body half securing screws
13. Maximum oil level
14. Sight panel
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