Edwards EM Series Instruction Manual
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Edwards EM Series Instruction Manual

Rotary vacuum pumps
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Description
E2M40, 200 V 50/60 Hz, 380 V, 60 Hz, three-phase
E2M40, 380/400 V 50 Hz, 230/460 V 60 Hz, three-
phase
E2M40, 200 V 50/60 Hz, 380 V 60 Hz, three-phase,
fomblin prepared
E2M40, 380/400 V 50 Hz, 230/460 V 60 Hz, three-
phase, fomblin prepared
E2M40, 200 V 50/60 Hz, 380 V 60 Hz, three-phase,
Azide compatible
E2M40, 380/400 V 50 Hz, 230/460 V 60 Hz, three-
phase, Azide prepared
Instruction Manual
E2M40 and E2M80 Rotary Vacuum Pumps
Item
Number
A364-04-934 E2M80, 200 V 50/60 Hz, 380 V 60 Hz, three-phase
A364-04-940 E2M80, 380/400 V 50 Hz, 230/460 V 60 Hz, three-
A364-17-934 E2M80, 200 V 50/60 Hz, 380 V 60 Hz, three-phase,
A364-17-940 E2M80, 380/400 V 50 Hz, 230/460 V 60 Hz, three-
A364-07-934 E2M80, 200 V 50/60 Hz, 380 V 60 Hz, three-phase,
A364-07-940 E2M80, 380/400 V 50 Hz, 230/460 V 60 Hz, three-
Description
phase
fomblin prepared
phase, fomblin prepared
Azide compatible
phase, Azide prepared
A364-04-880
Issue A
Original Instructions
Item
Number
A365-04-934
A365-04-940
A365-17-934
A365-17-940
A365-07-934
A365-07-940

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Eric
July 18, 2025

My one stage 275 pump starts and runs for about 5 minutes then shuts off .Even when i try to pull a vacuum on something it will shut off.

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Summary of Contents for Edwards EM Series

  • Page 1 A364-04-880 Issue A Original Instructions Instruction Manual E2M40 and E2M80 Rotary Vacuum Pumps Item Item Description Description Number Number E2M40, 200 V 50/60 Hz, 380 V, 60 Hz, three-phase A364-04-934 E2M80, 200 V 50/60 Hz, 380 V 60 Hz, three-phase A365-04-934 E2M40, 380/400 V 50 Hz, 230/460 V 60 Hz, three- A364-04-940 E2M80, 380/400 V 50 Hz, 230/460 V 60 Hz, three-...
  • Page 2 Note: This declaration covers all product serial numbers from the date this Declaration was signed onwards. 16.06.2015, Burgess Hill Mr Peter Meares Date and Place Senior Technical Support Manager, General Vacuum This product has been manufactured using the Edwards quality management system Document Template: 02B01010 Attachment 4 Iss. 1...

  • Page 3: Table Of Contents

    Replace the gas-ballast filter ..................26 Inspect and clean the inlet-filter ..................26 Clean the oil-level sight-glass ..................28 Clean the motor fan-cover ....................29 © Edwards Limited 2014. All rights reserved. Page i Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 4 Fine oil-filter and gas-ballast bearing-plate locations ............25 Remove and replace inlet-filter ..................27 Oil-level sight-glass assembly ..................28 Accessories ....................... 39 Page ii © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 5 E1M40/80, E2M40/80 external oil filtration system adaptor kit A540-00-880 EOF external oil filtration system A540-01-880 Trademark credits ® Fomblin is a registered trademark of Ausimont SpA. © Edwards Limited 2014. All rights reserved. Page iii Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 6 A364-04-880 Issue A This page has been intentionally left blank. Page iv © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 7: Introduction

    Introduction Scope and definitions This manual provides installation, operation and maintenance instructions for the Edwards E2M40 and E2M80 Rotary Vacuum Pumps. You must use your pump as specified in this manual. Read this manual before you install and operate your pump. Important safety information is highlighted as WARNING and CAUTION instructions;...

  • Page 8: Description

    Oxygen >25% unless filled with PFPE oil.  Chemically Active e.g. Azide forming compounds  Corrosive gases.  Flammable mixtures.  Page 2 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 9: Gas-Ballast

    With the gas-ballast control closed, when you switch off the E2M40 and E2M80 pumps the vacuum will be  maintained inside the pump. For remote control, fit a solenoid-operated gas-ballast control valve (available as an accessory from Edwards, refer Section 7) to the gas-ballast inlet and open the gas-ballast control. Connect the gas-ballast valve to your control system so that the valve is closed when the pump is switched off and if the electrical supply to the pump is interrupted.
  • Page 10 A364-04-880 Issue A This page has been intentionally left blank. Page 4 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 11: Technical Data

    (1.5 x 10 Maximum water vapour inlet pressure mbar (7 x 10 (5 x 10 Maximum water vapour pumping rate Maximum gas-ballast flow © Edwards Limited 2014. All rights reserved. Page 5 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 12: Dimensions E2M40 (Mm)

    A364-04-880 Issue A Figure 2 - Dimensions E2M40 (mm) Page 6 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 13: Dimensions E2M80 (Mm)

    A364-04-880 Issue A Figure 3 - Dimensions E2M80 (mm) © Edwards Limited 2014. All rights reserved. Page 7 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 14: Mechanical Data

    For motor current information please refer to the motor rating plate. Table 4 - Electrical data (three-phase motors) Pump Nominal supply (V) Frequency (Hz) Power (kW) E2M40 50/60 E2M80 50/60 Page 8 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 15: Lubrication Data

    A364-04-880 Issue A Lubrication data Note: An Edwards Health and Safety Data Sheet for the following oil is available on request. Table 5 - Lubrication data Hydrocarbon pumps: recommended oil Ultragrade 70 PFPE prepared pumps: recommended oil* Fomblin 06/6 Oil capacity (litres)
  • Page 16 A364-04-880 Issue A This page has been intentionally left blank. Page 10 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 17: Installation

    You must ensure that the pump is suitable for your application. If you have any doubt about the suitability of the pump for your application, refer to the Edwards guidelines on vacuum pump and vacuum system safety. (See Associated Publications at the end of the contents list).

  • Page 18: Unpack And Inspect

    If the pump is not to be used immediately, replace the protective covers. Store the pump in suitable conditions, as described in Section 6.1. Page 12 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 19: Locate The Pump

    When the ambient temperature is 12°C or higher, we recommend that you use Edwards Ultragrade 70 oil. This tested and proven oil will give you the best performance, maintenance intervals and pump life. Otherwise, use another oil with the specification VG ISO 68.

  • Page 20: Electrical Installation: Three-Phase Motors

    Refit the cover to the terminal-box  Connect the pump to the electrical supply  Check the direction of rotation again.  Page 14 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 21: Connect The Pump Inlet To Your System

    From the fitting pack, use the NW40 Co-seal half, ISO40/NW40 seal, the 'C' clamp and the bolts and washers. Connect to your NW40 fittings as shown in Figure Figure 4 - Connect inlet to ISO40 fittings © Edwards Limited 2014. All rights reserved. Page 15 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 22: Connect The Pump Outlet To Your System

    6, item 4), to regulate the flow rate of the gas-ballast supply. For more information about the use of gas-ballast, refer to Sections and 4.1. Page 16 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 23: Leak-Test The System

    Leak-test the system and seal any leaks found after you have installed the pump, to prevent leakage of substances out of the system and leakage of air into the system. © Edwards Limited 2014. All rights reserved. Page 17 Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 24 A364-04-880 Issue A This page has been intentionally left blank. Page 18 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 25: Operation

    4. If you want to achieve ultimate vacuum, to pump condensable vapours or to decontaminate the pump oil, refer to the procedures in Sections 4.3, respectively. Otherwise, open the vacuum system isolation-valve. © Edwards Limited 2014. All rights reserved. Page 19 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 26: To Achieve Ultimate Vacuum

    2, make sure that this is not due to your system design before you contact your supplier or Edwards for advice. In particular, the vapour pressure of all materials used in your vacuum system, including pump oil, must be much lower than the specified ultimate vacuum of the pump.

  • Page 27: Shut-Down

    2. Close the vacuum system isolation-valve (if not already closed). 3. Turn gas-ballast control (Figure 6, item 4) clockwise to close. 4. Switch off the electrical supply to the pump. © Edwards Limited 2014. All rights reserved. Page 21 Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 28 A364-04-880 Issue A This page has been intentionally left blank. Page 22 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 29: Maintenance

    If necessary, adjust the maintenance plan according to your experience. When you maintain the pump, use Edwards spares and maintenance kits; these contain all of the components necessary to complete maintenance operations successfully. The Item Numbers of the spares and kits are given in Section Examine the condition of any external accessories, filters or traps (if fitted).

  • Page 30: Check The Oil-Level

    8. Allow a few minutes for the oil to drain into the pump. If necessary, add more oil. Refit the filler-plug. Page 24 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 31: Replace The Fine Oil-Filter

    2. Place a suitable container underneath the oil drain scoop (5) below and to the left of the fine oil-filter (1). This will contain any oil spill from the filter when it is unscrewed. The filter capacity is about 400 ml. © Edwards Limited 2014. All rights reserved. Page 25 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 32: Replace The Gas-Ballast Filter

    You must remove and clean the inlet-filter (positioned in the inlet-port) every time you change the oil in the pump (see Figure Page 26 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 33: Remove And Replace Inlet-Filter

    5. Refit the inlet-filter (2) and the filter retainer-circlip (1). 6. Reconnect the pump to your vacuum system. 7. Reconnect the electrical supply to your pump. © Edwards Limited 2014. All rights reserved. Page 27 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 34: Clean The Oil-Level Sight-Glass

    6. Refit the sight-glass seal, sight-glass and bezel and secure with the eight screws. 7. Refill the pump with oil as described in Section 5.4. 8. Check that the sight-glass does not leak. Page 28 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 35: Clean The Motor Fan-Cover

    Basic fault-finding A list of fault conditions and their possible causes is provided here to assist you in fault-finding. If you are unable to rectify a fault when you use this guide, call your nearest Edwards Service Centre for help. 5.13.1...

  • Page 36: The Pump Is Noisy

    The gas-ballast control is open  Damaged or missing O-ring  Anti-suckback valve faulty  Shaft seals damaged  Exhaust valve damaged.  Page 30 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 37: The Pumping Speed Is Poor

    There is an oil leak from the drain-tap  There is an oil leak from the sight-glass  There is an oil-leak from the fine oil-filter element-seal.  © Edwards Limited 2014. All rights reserved. Page 31 Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 38 A364-04-880 Issue A This page has been intentionally left blank. Page 32 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 39: Storage And Disposal

    Fluoroelastomers which may have decomposed as a result of being subject to high temperatures.  Components and oil which have been contaminated with dangerous process substances.  © Edwards Limited 2014. All rights reserved. Page 33 Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 40 A364-04-880 Issue A This page has been intentionally left blank. Page 34 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 41: Spares And Accessories

     Service Edwards products are supported by a worldwide network of Edwards Service Centres. Each Service Centre offers a wide range of options including: equipment decontamination; service exchange; repair; rebuild and testing to factory specifications. Equipment which has been serviced, repaired or rebuilt is returned with a full warranty.

  • Page 42: Accessories

    The chemical trap is supplied with bolts, washers, 40 mm O-ring and centring ring. Table 12 - Inlet chemical-trap Product Item Number ITC100 Inlet Chemical Trap A444-02-000 Page 36 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 43: Outlet Catchpot

    EOF100A External Oil Filter A500-24-000 Activated Earth Element for EOF100A A223-04-043 EOF300A External Oil Filter A500-03-000 Activated Earth Element for EOF300A A223-04-033 © Edwards Limited 2014. All rights reserved. Page 37 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 44: Oil-Level Monitor

    You must use flexible bellows or other flexible piping between inlet and outlet connections when you fit vibration isolators. Table 19 - Vibration isolators Product Item Number Vibration Isolators (set of 4) A248-01-405 Page 38 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 45: Accessories

    3. External oil-filter (15-litre capacity) 4. External oil-filter (6-litre capacity) 5. Outlet catchpot or outlet mist-filter 6. Vibration isolator 7. Oil level monitor © Edwards Limited 2014. All rights reserved. Page 39 Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 46 A364-04-880 Issue A This page has been intentionally left blank. Page 40 © Edwards Limited 2014. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

This manual is also suitable for:

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