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A344-02-880 Issue J

Page 28

Edwards and the Edwards logo are trademarks of Edwards Limited.

Maintenance

5.5

Replace the fine oil-filter

Figure 9 - Fine oil-filter and gas-ballast bearing-plate locations

You must replace the fine oil-filter every time you change the oil in the pump. See

Figure 9

1. Isolate the pump from your electrical supply.

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.

3. Unscrew the filter (direction arrows shown in

Figure 9

) using a suitable strap-wrench. Clean off any oil-spillage

on pump and filter housing surfaces. Dispose of the filter and any oil-spillage according to local environment
regulations covering industrial waste.

4. Make sure that the filter sealing ring (supplied with the new filter) is seated correctly on the new filter. Screw in

the new filter and tighten

turn using the strap-wrench.

AA/5007A

1. Fine oil-filter
2. Gas-ballast bearing-plate assembly
3. Gas-ballast inlets
4. Gas-ballast control
5. Oil drain-scoop

Содержание E1M40

Страница 1: ...A365 01 935 E1M40 208 V 50 Hz 208 230 V 60 Hz 460 V 60 Hz three phase A344 02 982 E2M80 208 V 60 Hz 208 230 V 60 Hz 460 V 60 Hz three phase A365 02 982 E2M40 240 V 50 Hz single phase A364 01 960 E2M4...

Страница 2: ......

Страница 3: ...3 3 5 Fill the pump with oil 13 3 5 1 Recommended pump oils 13 3 5 2 Filling procedure 14 3 6 Electrical installation single phase motor 14 3 7 Electrical installation three phase motors 15 3 7 1 Conn...

Страница 4: ...The pump fails to achieve its specified performance 33 5 13 3 The pump is noisy 34 5 13 4 The pump is too hot 34 5 13 5 The vacuum is not fully maintained after the pump is switched off 34 5 13 6 The...

Страница 5: ...of equipment complete the HS Forms at the end of this manual Illustrations Figure Page 1 The Rotary Vacuum Pump E1M40 shown 2 2 Dimensions E1M40 and E2M40 mm 6 3 Dimensions E1M80 and E2M80 mm 7 4 Ele...

Страница 6: ...ist 12 4 Maintenance plan 26 A1 Electrical data three phase motors 48 Associated publications Publication title Publication number Vacuum pump and vacuum system safety P300 20 000 Vibration isolators...

Страница 7: ...ighlighted 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 co...

Страница 8: ...e Rotary Vacuum Pump E1M40 shown 1 2 3 4 6 7 10 11 9 8 5 AA 5001 A 1 Disposable oil filter 2 Oil return from external oil mist filter 3 Lifting eyes 4 Inlet port 5 Outlet port 6 Oil filler plug 7 Oil...

Страница 9: ...tection The distributor valve provides only oil suckback protection when you switch off an E1M40 or E1M80 pump To obtain air suckback protection when you switch off an E1M40 or E1M80 pump you must fit...

Страница 10: ...the pressure inside the pump will slowly rise to atmospheric pressure To maintain the vacuum inside the pump fit a solenoid operated gas ballast control valve z E2M40 and E2M80 the vacuum will be main...

Страница 11: ...upply 42 5 42 5 80 80 60 Hz electrical supply 50 5 50 5 96 96 Maximum Speed Pneurop 50 Hz electrical supply 37 37 74 74 60 Hz electrical supply 44 44 90 90 Motor rotational speed 50 Hz electrical supp...

Страница 12: ...6 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited Technical data Figure 2 Dimensions E1M40 and E2M40 mm 174 87 40 665 500 395 9 36 2 120 191 240...

Страница 13: ...rights reserved Page 7 Edwards and the Edwards logo are trademarks of Edwards Limited Technical data A344 02 880 Issue J Figure 3 Dimensions E1M80 and E2M80 mm 80 98 36 196 2 9 96 550 220 795 133 70 1...

Страница 14: ...highest of the selectable voltages When you start a cold pump the motor draws the start up current listed in Table 2 for less than one second Within five minutes as the oil in the pump warms up the cu...

Страница 15: ...1M80 or E2M80 220 240 50 2 2 8 5 51 30 5 380 415 50 2 2 4 9 29 20 6 E1M40 or E2M40 208 50 1 5 6 8 41 25 5 208 230 60 1 5 6 5 39 25 5 460 60 1 5 3 1 18 6 15 6 E1M80 or E2M80 208 50 3 0 12 4 71 40 5 208...

Страница 17: ...th pump oil as prolonged exposure can be harmful z Disconnect the other components in the pumping system from the electrical supply so that they cannot be operated accidentally 3 2 System design consi...

Страница 18: ...ials for inspection z Do not use the pump if it is damaged Check that your package contains the following items If the pump is not to be used immediately replace the protective covers Store the pump i...

Страница 19: ...with oil 3 5 1 Recommended pump oils 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 ma...

Страница 20: ...mp will restart automatically when the electrical supply is restored after an interruption If you do not want the pump to restart automatically use electrical control equipment which must be reset man...

Страница 21: ...ou may damage the motor Note The pump will restart automatically when the electrical supply is restored after an interruption If you do not want the pump to restart automatically use electrical contro...

Страница 22: ...ion of the over current protection device Ensure that the fuse you use is suitable for the starting currents given in Table 2 1 Remove the cover from the motor terminal box 2 Check your electrical sup...

Страница 23: ...ation when you connect the pump to your vacuum system Refer to Section 7 for details of the accessories mentioned below z For optimum pumping speeds ensure that the pipeline connected to the inlet por...

Страница 24: ...pack use the two ISO40 Co seal halves ISO40 NW40 seal bolts and washers Connect to your ISO40 fittings as shown in Figure 7 3 8 3 Connect to NW40 fittings From the fitting pack use the NW40 Co seal ha...

Страница 25: ...sted from the pump you can re use the oil if it is not contaminated 3 10 Gas ballast inlet connection As shown in Figure 9 item 3 the pump has two gas ballast inlets We supply the pump with a blanking...

Страница 27: ...oil is contaminated or if the pump temperature is below 13 C or if the supply voltage is more than 10 below the lowest voltage specified for the motor the pump may operate at reduced speed for a few m...

Страница 28: ...lly open and operate the pump for at least 1 hour or overnight to thoroughly purge the oil of contaminants 3 Close the gas ballast control Figure 9 item 4 4 Open the vacuum system isolation valve and...

Страница 29: ...4 open 4 7 Shut down Note If the gas ballast control is open and the pump is switched off for any reason the pump drive shaft may rotate in the reverse direction causing a system pressure rise To pre...

Страница 31: ...Do not touch or inhale the thermal breakdown products of fluorinated materials which may be present if the pump has been heated to 310 C and above Fluorinated materials are safe in normal use but can...

Страница 32: ...d 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 7 Examine the condition of...

Страница 33: ...d drain and refill the pump with clean oil as described in Section 5 4 5 4 Replace the oil Refer to Figure 1 for the items in brackets 1 Operate the pump for approximately ten minutes to warm the oil...

Страница 34: ...ter 1 This will contain any oil spill from the filter when it is unscrewed The filter capacity is about 400 ml 3 Unscrew the filter direction arrows shown in Figure 9 using a suitable strap wrench Cle...

Страница 35: ...plate 2 3 Note the orientation of the bearing plate before removing it so that you can replace it correctly later 4 Remove the bearing plate containing the two filter elements from the valve body 5 Sl...

Страница 36: ...0 Figure 10 Remove and replace inlet filter 1 Isolate the pump from your electrical supply 2 Disconnect the pump from your vacuum system 3 Remove the filter retainer circlip 1 and withdraw the inlet f...

Страница 37: ...ove the bezel 4 the sight glass 2 and the sight glass seal 1 from the oil box 5 3 Clean the screws bezel and sight glass with a suitable cleaning solution 4 Wipe the sight glass seal with a clean dry...

Страница 38: ...ly to your pump 5 10 Clean and overhaul the pump Clean and overhaul the pump as described in the instructions supplied with the clean and overhaul kit see Section 7 5 11 Test the motor condition Test...

Страница 39: ...fitted is blocked z The oil temperature is below 12 C z The oil is too viscous z The oil is contaminated z The pump has seized after long storage z The pump has been left to stand after contaminants h...

Страница 40: ...is too hot z The electrical supply voltage is too high z The outlet filter or the outlet pipeline is blocked z The oil level is too low z You have filled the pump with the wrong type of oil z The oil...

Страница 41: ...880 Issue J 5 13 7 There is an external oil leak z The oil pump shaft seal is worn or damaged z The oil box gaskets have deteriorated z There is an oil leak from the gas ballast control z There is an...

Страница 43: ...your vacuum system 4 Replace the oil as described in Section 5 4 paragraphs 3 to 8 5 Place and secure protective covers over the inlet and outlet ports 6 Store the pump in cool dry conditions until r...

Страница 45: ...ories from your nearest Edwards company or distributor When ordering please state for each part required z Model and Item Number of your equipment z Serial number if any z Item Number and description...

Страница 46: ...tects your pump against abrasive dust see Figure 12 item 1 You can check the filter element by looking through a glass cover at the top of the filter The filter is supplied with bolts washers 40 mm O...

Страница 47: ...see Figure 12 item 1 protects your pump against chemically active gases which may attack your pump or pump oil You must provide the trapping material suitable for your application The trapping materia...

Страница 48: ...rings bolts washers mounting bracket and studs 7 4 8 External oil filter The external oil filter see Figure 12 item 3 or 4 is a free standing filter You can choose between two types of oil filter The...

Страница 49: ...ve the normal visual indication of the oil level 7 4 10 Solenoid operated gas ballast control valve The solenoid operated gas ballast control valve see Figure 12 item 2 gives you automatic or remote c...

Страница 50: ...lexible bellows or other flexible piping between inlet and outlet connections when you fit vibration isolators Figure 12 Accessories Product Item Number Vibration Isolators set of 4 A248 01 405 1 2 3...

Страница 51: ...b is replaced by a dry nitrogen inlet pipe union and solenoid valve assembly see Figure A2 A1 2 2 Purpose of dry nitrogen gas ballast Dry nitrogen is injected into the pump stator through the gas ball...

Страница 53: ...e on request See Associated publications on contents page iv E2M40S E2M80S Ultimate vacuum with pfpe partial pressure without gas ballast mbar 2 x 10 3 2 x 10 3 Pa 2 x 10 1 2 x 10 1 with gas ballast m...

Страница 54: ...o Section 3 7 Dual voltage motors are supplied preset to the highest of the selectable voltages Table A1 Electrical data three phase motors Pump Nominal supply V Frequency Hz Power kW Full load curren...

Страница 55: ...allation A3 1 Pump external fittings connections and controls You should familiarise yourself with the external fitting points connections and controls on the pump See Figures A1 and A2 Figure A1 Exte...

Страница 56: ...ds Limited Appendix A Figure A2 External fittings connections and controls 3 2 4 1 5 AA 5012 A 1 Gas ballast solenoid valve 2 Shaft seal pressure monitoring point 3 Shaft seal leakage viewing tube 4 I...

Страница 57: ...sight glass If the oil level goes above the MAX mark open the oil drain tap and drain the excess oil from the pump You will need additional oil if an external oil nitration unit is fitted Refer to the...

Страница 59: ...pped for any reason the dry nitrogen supply to the regulators must be switched off This eliminates the need to reset the regulators and also prevents possible oil pump priming problems on re start whe...

Страница 60: ...st solenoid and shaft seals is set to 4 psi z Check the pressure regulator for the dry nitrogen supply to the oil box is set to 7 psi Figure A3 Typical dry nitrogen gas circuit 2 3 1 5 8 9 10 11 12 7...

Страница 61: ...are trademarks of Edwards Limited Appendix A A344 02 880 Issue J A4 2 Shut down 1 Close off the dry nitrogen supply to the regulators 2 Close the gas ballast solenoid valve to maintain the system vac...

Страница 63: ...marks of Edwards Limited Appendix A A344 02 880 Issue J A5 Spares The following maintenance kits are available for your pump The maintenance kits also include instructions for the use of the kits Pump...

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