Edwards A37315903 Instruction Manual Download Page 8 | Manualshive

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5.2 Gas-ballast control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   29
5.3 Start-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   30
5.4 To achieve ultimate vacuum. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   30
5.5 To pump condensable vapours. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   31
5.6 To decontaminate the oil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   31
5.7 Unattended operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   31
5.8 Shut-down. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  32

6. Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

6.1 Safety information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   33
6.2 Maintenance plan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  34
6.3 Check the oil level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  34
6.4 Replace the oil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   35
6.5 Inspect and clean the inlet-filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   35
6.6 Clean the gas-ballast filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   36
6.7 Clean the motor fan-cover and enclosure. . . . . . . . . . . . . . . . . . . . . . . . . . . .   37
6.8 Clean and overhaul the pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   37
6.9 Replace the run capacitor and test the motor. . . . . . . . . . . . . . . . . . . . . . . . .   37
6.10 Fit new blades. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  38

7. Fault finding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

7.1 The pump has failed to start. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
7.2 The pump fails to achieve specified performance (failure to reach ultimate

vacuum). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   39
7.3 The pump is noisy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  39
7.4 The pump surface temperature is above 100 °C. . . . . . . . . . . . . . . . . . . . . . .   40
7.5 The vacuum is not maintained after the pump is switched off. . . . . . . . . . .   40
7.6 The pumping speed is poor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   40
7.7 There is an external oil leak. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   40

8. Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

9. Disposal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

10. Spares and accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

10.1 Spares. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   43
10.2 Capacitor selection table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   43
10.3 Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   44

10.3.1 Inlet catchpot. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   46
10.3.2 Inlet dust filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  46
10.3.3 Inlet desiccant trap. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   46
10.3.4 Inlet chemical trap. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   46
10.3.5 Outlet mist filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   46
10.3.6 Solenoid operated pipeline valve. . . . . . . . . . . . . . . . . . . . . . . . . . .   46

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Summary of Contents for A37315903

Page 1: ... A37333934 E2M28 200 240 V 50 Hz or 230 240 V 60 Hz single phase Amphenol A37316903 E2M28 110 200 240 V 50 Hz or 115 120 200 230 V 60 Hz single phase A37317984 E2M28 FF 110 220 240 V 50 Hz or 115 200 230 V 60 Hz single phase Fomblin filled A37325984 E2M28 FF 220 240 V 50 Hz or 230 240 V 60 Hz single phase A37325903 E2M28 FF 380 400 V 50 Hz or 230 460 V 60 Hz three phase A37343940 E2M28 FF 200 V 50...

Page 2: ...that may appear in this manual nor do we make any expressed or implied warranties regarding the content As far as practical we have ensured that the products have been designed and constructed to be safe and without risks when properly installed and used in accordance with their operating instructions We accept no liability for loss of profit loss of market or any other indirect or consequential l...

Page 3: ... RoHS directive as amended by Delegated Directive EU 2015 863 Based on the relevant requirements of harmonised standards EN 1012 2 1996 A1 2009 Compressors and vacuum pumps Safety requirements Vacuum pumps EN 60034 30 2009 Rotating electrical machines Part 30 Efficiency classes of single speed three phase cage induction motors IE code EN 61010 1 2010 Safety requirements for electrical equipment fo...

Page 4: ...Centre Holandska 10 Brno 63900 Czech Republic 42 0 734 418 896 documentation edwardsvacuum com This declaration based on the requirements of the listed Directives and EN ISO IEC 17050 1 covers all product serial numbers from this date on 21st May 2020 Petr Smerek Engineering Manager Scientific Vacuum Division Lutin CZ Nina Buta General Manager Lutin CZ ...

Page 5: ...oducts listed are also in scope for and comply with the requirements of the following 2012 19 EU Directive on waste electrical and electronic equipment WEEE CSA C22 2 No 77 2014 Motors with inherent overheating protection CSA C22 2 No 100 2014 Motors and generators Product is certified to CSA C22 2 No 61010 1 12 Safety requirements for electrical equipment for measurement control and laboratory us...

Page 6: ...This page has been intentionally left blank ...

Page 7: ... Locate the pump 18 4 5 Fill the pump with oil 19 4 6 Electrical installation single phase motors 19 4 6 1 Amphenol version single phase motors 20 4 6 2 Standard single phase motors 21 4 6 3 110 200 240 V 50 Hz or 115 120 200 230 V 60 Hz single phase motors 21 4 7 Electrical installation three phase motors 24 4 7 1 Connect the electrical supply to the motor 24 4 7 2 Check the direction of rotation...

Page 8: ...he motor 37 6 10 Fit new blades 38 7 Fault finding 39 7 1 The pump has failed to start 39 7 2 The pump fails to achieve specified performance failure to reach ultimate vacuum 39 7 3 The pump is noisy 39 7 4 The pump surface temperature is above 100 C 40 7 5 The vacuum is not maintained after the pump is switched off 40 7 6 The pumping speed is poor 40 7 7 There is an external oil leak 40 8 Storage...

Page 9: ...daptor 47 10 3 11 Flexible bellows 47 10 3 12 Pump outlet adaptor 47 10 3 13 Gas ballast banjo elbow assembly 47 10 3 14 Gas ballast valve 47 11 PFPE prepared EM pumps 48 11 1 Installation 48 11 2 Operation 48 11 3 Maintenance 48 12 Service 50 12 1 Return the equipment or components for service 50 Page 5 ...

Page 10: ...otors 100 V 50 Hz 100 105 V 60 Hz and 115 V 60 Hz 22 Figure 6 Single phase motors 200 V 50 Hz 200 210 V 60 Hz and 230 V 60 Hz 23 Figure 7 Single phase motors with Amphenol connector 220 240 V 50 Hz and 230 240 V 60 Hz 23 Figure 8 Motor voltage selection single phase motors 110 200 240 V 50 Hz and 115 120 200 240 V 60 Hz 24 Figure 9 Remove replace the inlet filter 36 Figure 10 Remove replace the ga...

Page 11: ...bsidiary Important safety information is highlighted as warning and caution instructions Obey these instructions WARNING If you do not obey a warning there is a risk of injury or death Different symbols are used according to the type of hazard CAUTION If you do not obey a caution there is a risk of minor injury damage to equipment related equipment or process NOTICE Information about properties or...

Page 12: ...ng documentation Warning risk of electric shock Warning hot surfaces Warning do not block the pump outlet Warning use protective equipment Indicates that protective equipment must be used Page 8 A37310880_V Safety and compliance ...

Page 13: ...may be potential sources of ignition under conditions of predictable and rare malfunction as defined in the Directive There is no potential source of ignition within the pump during normal operation but there may be potential sources of ignition under conditions of predictable and rare malfunction as defined in the Directive Accordingly although the pump is designed to pump flammable materials and...

Page 14: ... rotor sealing faces The pump has an oil distribution valve which prevents discharge of oil to the pump interior suckback after the pump stops The pumping chambers are air tight so this arrangement prevents air suckback unless the gas ballast valve is open For protection in this case refer to Gas ballast on page 11 The level and condition of oil in the oil box reservoir can be inspected through th...

Page 15: ...g gravity drain 12 Oil sight glass 13 Pump identification label 14 Oil drip tray Note A pump with a single phase motor is shown in this figure The motor shown in this figure is not representative of the motor used on the E2M28 Amphenol pump with item number A37317984 On this pump cable gland amphenol connector position and on off switch are transposed with cable gland amphenol connector position b...

Page 16: ...tegory II Noise level at 1 metre 57 dB A at 50 Hz Vibration severity Class 1C At ultimate vacuum with ambient temperature of 20 C Measured at the inlet port to ISO 2372 1974 3 2 Performance Note Where total pressures are shown in Figure Dimensions mm on page 14 below measurements were taken using an untrapped total pressure capacitance diaphragm gauge on a header as specified by Pneurop standards ...

Page 17: ...ing rate 0 7 kg h 1 0 7 kg h 1 Maximum permitted outlet pressure for full pump throughout 0 5 bar gauge 1 5 bar absolute 1 5 x 105 Pa 0 5 bar gauge 1 5 bar absolute 1 5 x 105 Pa 3 3 Mechanical data Table 3 Mechanical data Parameter Data Approximate pump mass 44 kg Dimensions Refer to Figure Dimensions mm on page 14 Degree of protection Single phase motors IP44 Three phase motors IP54 Pump inlet po...

Page 18: ...9 88 180 7 09 170 6 69 60 2 36 227 8 94 25 0 98 241 9 49 47 1 85 43 1 69 39 1 54 10 0 39 317 12 48 12 0 47 Figure 3 Three phase motors Dimensions mm Inches 180 7 09 170 6 69 60 2 36 227 8 94 229 9 02 25 0 98 25 0 98 241 9 49 47 1 85 43 1 69 39 1 54 10 0 39 317 12 48 12 0 47 553 21 77 Page 14 A37310880_V Technical data ...

Page 19: ... please refer to the motor rating plate The motor start up current is drawn for less than one second so time lag fuses must be used to prevent unnecessary fuse failure when the pump starts Fuses should be to EN60269 Performance on page 12 If using the pump at temperatures lower than 13 C the start up current will be drawn for longer this may cause the motor thermal overload device to open Table 5 ...

Page 20: ...363 UK plug Straight entry A50505003 Appliance coupler IEC60320 style C19 Fuse type BS1363 10 Amp fuse to an IEC60320 style Right angled entry A50505006 Cord set assembly Europe Cable style H05VV F 3 x 1 5 mm2 300 V 70 C maximum length of 2 5 metres Straight entry A50506003 Plug type European Schuko VDE approved 16 A 250 V rated with dual earthing contact Appliance coupler IEC60320 style C19 Right...

Page 21: ... components inside a fume cupboard Vent and purge the vacuum system before installation work is started Take suitable precautions to avoid the inhalation of oil mist and excessive skin contact with pump oil as prolonged exposure can be harmful Disconnect the other components in the pumping system from the electrical supply so that they cannot be operated accidentally Safely route any electrical su...

Page 22: ...ier and the carrier in writing within three days state the item number of the pump together with the order number and the supplier s invoice number Retain all packing materials for inspection Do not use the pump if it is damaged 2 Check that the package contains the items listed If any of these items are missing notify the supplier within three days If the pump is not to be used immediately replac...

Page 23: ...ug Tighten the plug firmly by hand Do not overtighten 4 6 Electrical installation single phase motors WARNING Ensure that the electrical installation of the pump conforms with the local and national safety requirements The pump must be connected to a suitably fused and protected electrical supply with a suitable earth ground point for recommended cord sets refer to Lubrication data on page 15 CAUT...

Page 24: ...15 V 60 Hz on page 22 230 60 Figure Single phase motors 200 V 50 Hz 200 210 V 60 Hz and 230 V 60 Hz on page 23 A37315904 A37415904 100 50 Figure Single phase motors 100 V 50 Hz 100 105 V 60 Hz and 115 V 60 Hz on page 22 100 105 60 Figure Single phase motors 100 V 50 Hz 100 105 V 60 Hz and 115 V 60 Hz on page 22 200 50 Figure Single phase motors 200 V 50 Hz 200 210 V 60 Hz and 230 V 60 Hz on page 2...

Page 25: ...f 2 13 to 2 87 Nm 10 Tighten the dome shaped nut on the cable gland until the outer sheath of the cable is firmly gripped Using a tool tighten to a torque of 4 Nm Do not overtighten 11 Check that the cable connections are correct then refit the cover on the motor terminal box 4 6 3 110 200 240 V 50 Hz or 115 120 200 230 V 60 Hz single phase motors The motor is designed for a single phase electrica...

Page 26: ... 230 240 V 60 Hz N L N L CS 1114 A Figure 5 Single phase motors 100 V 50 Hz 100 105 V 60 Hz and 115 V 60 Hz N L N L U1 V1 W1 VT BN GY WH OR BN CS 1115 A Wire colour codes BN Brown VT Violet GY Grey WH White OR Orange Page 22 A37310880_V Installation ...

Page 27: ...V1 W1 VT BN BN OR GY WH CS 1116 A Wire colour codes BN Brown VT Violet GY Grey WH White OR Orange Figure 7 Single phase motors with Amphenol connector 220 240 V 50 Hz and 230 240 V 60 Hz 1 2 3 CS 1117 A Pin codes 1 Live 2 Neutral 3 Not used Earth ground Page 23 A37310880_V Installation ...

Page 28: ...ge setting 200 240 V 8 Position I low voltage setting 110 120 V 4 7 Electrical installation three phase motors 4 7 1 Connect the electrical supply to the motor WARNING Ensure that the electrical installation of your pump motor conforms with your local and national safety requirements It must be connected to a suitably fused and protected electrical supply and a suitable earth point CAUTION If your...

Page 29: ...erate with either the high range or low range electrical supply 4 Pass the electrical supply cable through the cable gland and connect to the appropriate terminals Tighten the earth ground terminal connection to a torque of 2 13 to 2 87 Nm 5 Tighten the dome shaped nut on the cable gland until the outer sheath of the cable is firmly gripped Using a tool tighten to a torque of 2 5 Nm Do not overtig...

Page 30: ...o the NW25 flange supplied use the NW25 centring ring and O ring supplied Remove the NW25 flange and connect to the 1 inch BSP threaded hole Use an NW25 to 28 mm bore tube adaptor available as an optional accessory refer to Pump inlet adaptor on page 47 4 9 Connect the pump outlet WARNING Connect the pump outlet to a suitable treatment plant to prevent the discharge of dangerous gases and vapours ...

Page 31: ...l filters shown in Figure Remove replace the gas ballast filter on page 37 to trap any dust and debris if air is used as the gas ballast supply If using a different gas for the gas ballast supply or to connect a valve to the gas ballast inlet 1 Remove the filters as described in Clean the gas ballast filter on page 36 2 Connect the gas supply or valve to the 1 4 inch BSP threaded hole 4 11 Leak te...

Page 32: ...rces of ignition under conditions of predictable and rare malfunction as defined in the Directive Accordingly although the pump is designed to pump flammable materials and mixtures operating procedures should ensure that under all normal and reasonably predictable conditions these materials and mixtures are not within explosive limits Category 3 is considered appropriate for the avoidance of ignit...

Page 33: ...ied over from the process When calculating the flow rate of inert gas required for dilution consider the maximum flow rate for the flammable gases vapours that could occur For example if a mass flow controller is used to supply flammable gases to the process assume a flow rate for flammable gases that could arise if the mass flow controller is fully open Continually measure the inert gas purge flo...

Page 34: ...at the pump has primed with oil 5 If the pump fails to prime operate the pump with the inlet open to atmosphere for approximately 30 seconds Then isolate the inlet and check that the oil level drops by 3 to 5 mm 6 To achieve ultimate vacuum pump condensable vapours or decontaminate the pump oil refer to the procedures in To achieve ultimate vacuum on page 30 To pump condensable vapours on page 31 ...

Page 35: ...ndition of the oil in the oil sight glass Figure General view of the pump on page 11 If the oil is cloudy or discoloured continue with the procedure at step 2 below 2 Close the vacuum system isolation valve 3 Turn the gas ballast control fully anti clockwise 4 Operate the pump until the oil is clear 5 7 Unattended operation The pump is designed for unattended operation under the normal operating c...

Page 36: ...ge 47 We recommend as described in the procedure below decontaminating the oil before shutting down the pump this will prevent damage to the pump by the contaminates in the oil 1 Refer to To decontaminate the oil on page 31 and decontaminate the oil as required 2 Close the vacuum system isolation valve if not already closed 3 Close gas ballast that is turn the gas ballast control clockwise 4 Switc...

Page 37: ... maintenance is completed recheck the pump rotation direction if the electrical supply has been disconnected Do not reuse O rings and seals if they are damaged The pump and its oil will be contaminated with the process chemicals that have been pumped during operation Ensure that the pump is decontaminated before maintenance and that adequate precautions are taken to protect people from the effects...

Page 38: ...3 to 6 months depending on application Replace the oil on page 35 Inspect and clean the inlet filter Every oil change Inspect and clean the inlet filter on page 35 Clean or replace the gas ballast filter Yearly Clean the gas ballast filter on page 36 Clean the motor fan cover and enclosure Yearly Clean the motor fan cover and enclosure on page 37 Clean and overhaul the pump and replace the blades ...

Page 39: ... tilt the pump and place a suitable container under the oil drain plug gravity drain Remove the oil drain plug and allow the oil to drain into the container 5 If the oil is dirty or contaminated Refit the oil drain plug and pour clean oil into the pump Reconnect the pump to the electrical supply and operate the pump for about 5 to 10 minutes Disconnect the pump from the electrical supply remove th...

Page 40: ...pply or valve to the gas ballast inlet Refer to Figure Remove replace the gas ballast filter on page 37 1 Remove the retainer circlip 2 Remove the protective wire mesh and filter elements 3 Wash the wire mesh and filter in a suitable cleaning solution Allow the wire mesh and filter to dry before replacing them in the pump 4 Refit the wire mesh and filter element in the adaptor plate housing and re...

Page 41: ...haul the pump as described in the instructions supplied with the clean and overhaul kit see Spares and accessories on page 43 6 9 Replace the run capacitor and test the motor WARNING Change the run capacitor as per the maintenance plan Replace the run capacitor as described in the instructions supplied with the capacitor kit Refer to Table Capacitor kits on page 43 Spares on page 43 Test the earth...

Page 42: ...6 10 Fit new blades Fit new blades to the pump as described in the instructions supplied with the blade kit see Spares and accessories on page 43 Page 38 A37310880_V Maintenance ...

Page 43: ... stand after pumping contaminants The motor is faulty 7 2 The pump fails to achieve specified performance failure to reach ultimate vacuum The measuring technique or gauge is unsuitable There is a leak in the external vacuum system The gas ballast control is open The oil level is too low The pump has been filled with the wrong type of oil The oil is contaminated The pump has not primed The vacuum ...

Page 44: ... hot or the throughput is too high 7 5 The vacuum is not maintained after the pump is switched off The gas ballast control is open O ring s are damaged or missing The shaft seals have deteriorated 7 6 The pumping speed is poor The connecting pipelines are too small in diameter The connecting pipelines are too long The inlet filter is blocked 7 7 There is an external oil leak The oil pump shaft sea...

Page 45: ... 2 Isolate the pump from the electrical supply 3 Purge your vacuum system and the pump with dry nitrogen and disconnect the pump from your vacuum system 4 Replace the oil as described in Replace the oil on page 35 5 Place and secure protective covers over the inlet and outlet ports 6 Store the pump in cool dry conditions until required for use 7 When required prepare and install the pump as descri...

Page 46: ...ly in accordance with all local and national safety and environmental requirements Particular care must be taken with components and waste oil which have been contaminated with dangerous process substances Do not incinerate fluoroelastomer seals and O rings Page 42 A37310880_V Disposal ...

Page 47: ... of the kits Use the clean and overhaul kit for routine maintenance operations Use the blade kit together with the clean and overhaul kit when renewing the blade assembly in the rotary pump Table 11 Spares item numbers Spare Item number Clean and Overhaul kit Hydrocarbon A37301131 Clean and Overhaul kit PFPE filled A37301136 Blade kit A37301135 Ultragrade 19 Oil 4 litres H11025013 Fomblin Grade 06...

Page 48: ...8 A50591813 A37325903 A07110028 A50591813 A37325984 A07110039 A50591813 E2M30 A37415903 A07110028 A50591813 A37415904 A07110033 A50591800 A37415981 A07110032 A50591800 A37435903 A07110028 A50591813 N04091000 A07110028 A50591813 10 3 Accessories A range of accessories is available for the pumps as shown in Figure Accessories on page 45 The accessories are briefly described in the following sections...

Page 49: ...ilter 3 Inlet desiccant trap 4 Inlet chemical trap 5 Gas ballast valve 6 Banjo elbow assembly 7 Solenoid operated pipeline valve 8 Foreline trap 9 Outlet mist filter 10 NW25 adaptor 11 Vibration isolators 12 Oil drain extension Table 14 Accessory item numbers Accessory Item number ITO20K Inlet catchpot A44110000 ITF20K Inlet dust filter A44215000 ITD20K Inlet desiccant trap A44510000 ITC20K Inlet ...

Page 50: ... desiccant trap Use a desiccant trap when pumping limited quantities of water vapour at high pumping speeds to a low vapour pressure 10 3 4 Inlet chemical trap The inlet chemical trap protects the pump against chemically active gases 10 3 5 Outlet mist filter The outlet mist filter separates and traps oil droplets in the pump outlet to prevent oil mist discharge The mist filter is supplied with an...

Page 51: ...be 10 3 11 Flexible bellows Use flexible bellows to connect the pump inlet to the vacuum system We recommend the use of bellows when using vibration isolators 10 3 12 Pump outlet adaptor This is a 3 4 inch BSP to NW25 adaptor Use this adaptor when removing the hose adaptor supplied fitted to the pump outlet to adapt the 3 4 inch BSP thread to NW25 pump inlet 10 3 13 Gas ballast banjo elbow assembl...

Page 52: ...mp is not used for the pumping of hazardous materials Operation of a PFPE prepared EM pump is as specified in Operation on page 28 but take note of the warning above 11 3 Maintenance WARNING Obey the safety instructions given below and take note of appropriate precautions Failure to do so can cause injury to people Take additional care if it is suspected that the pump and hence the PFPE oil has ov...

Page 53: ...PE prepared EM pump with Fomblin oil we recommend regular checks for oil leaks particularly around the shaft seals If an oil leak is detected contact us or the supplier for advice Page 49 A37310880_V PFPE prepared EM pumps ...

Page 54: ... important for the safety of our employees and all other people involved in the service of your equipment The hazard information also lets us select the correct procedures to service your equipment We provide instructions for completing the form in the Declaration of Contamination of Vacuum equipment and Components Procedure HS1 If you are returning a vacuum pump note the following If a pump is co...

Page 55: ...Page 51 A37310880_V Service ...

Page 56: ...edwardsvacuum com ...

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