Edwards E2M0.7 Скачать руководство пользователя страница 30 | Manualshive

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A371–22–880 Issue R

Page 24

© Edwards Limited 2013. All rights reserved.

Edwards and the Edwards logo are trademarks of Edwards Limited.

Maintenance

There is an external oil leak

The oil pump shaft seal is worn or damaged.
The oil box O-ring has deteriorated.
There is an oil leak from gas-ballast control.
There is an oil-leak from the drain-plug.

Table 8 - Fault finding (continued)

Fault condition

Possible cause

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Содержание E2M0.7

Страница 1: ... 60 Hz A371 31 919 E2M0 7 0 7 m3 h 1 0 4 ft3 min 1 100 120 V 50 60 Hz A371 31 902 E2M1 5 1 5 m3 h 1 0 8 ft3 min 1 220 240 V 50 60 Hz A371 22 919 E2M1 5 1 5 m3 h 1 0 8 ft3 min 1 220 240 V 50 60 Hz Interstage A371 03 919 E2M1 5 1 5 m3 h 1 0 8 ft3 min 1 100 120 V 50 60 Hz A371 22 902 E2M1 5 1 5 m3 h 1 0 8 ft3 min 1 100 120 V 50 60 Hz Interstage A371 03 902 ...

Страница 2: ... and performance CAN CSA C22 2 No 77 2014 Motors with inherent overheating protection CAN CSA C22 2 No 100 2014 Motors and Generators EN50581 2012 Technical Documentation for the Assessment of Electrical and Electronic Products with respect to the Restriction of Hazardous Substances 1 phase pumps only The pumps comply with EN 61010 1 when installed in accordance with the instruction manual supplie...

Страница 3: ... 11 3 6 2 Check the direction of rotation 11 3 7 Connect the pump inlet 12 3 7 1 General requirements 12 3 7 2 Side inlet port connection 13 3 8 Connect the pump outlet 13 3 9 Leak test the system 13 4 Operation 15 4 1 ATEX directive implications 15 4 1 1 Introduction 15 4 1 2 Flammable pyrophoric materials 15 4 1 3 Gas purges 16 4 2 Gas ballast control 16 4 3 Start up procedure 17 4 4 To achieve ...

Страница 4: ...ot 28 7 4 3 Inlet dust filter 28 7 4 4 Inlet desiccant trap 28 7 4 5 Inlet chemical trap 28 7 4 6 Foreline trap 28 7 4 7 Outlet mist filter 30 7 4 8 Oil drain extension 30 7 4 9 Vibration isolators 30 7 4 10 Pump inlet or outlet NW25 adaptor 30 7 4 11 Solenoid operated gas ballast control valve 30 7 4 12 Solenoid operated pipeline valve 30 For return of equipment complete the HS Forms at the end o...

Страница 5: ...e Page 1 Operating and storage conditions 5 2 Performance data 5 3 Mechanical data 6 4 Electrical data 6 5 Lubrication data 7 6 Checklist of items 10 7 Maintenance plan 20 8 Fault finding 23 9 Spares Item Numbers 27 10 Accessories Item Numbers 28 Associated publications Publication title Publication number Vacuum Pump and Vacuum System Safety P400 40 100 ...

Страница 6: ...This page has been intentionally left blank A371 22 880 Issue R Page iv Edwards Limited 2013 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited ...

Страница 7: ...G 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 Equivalent values using imperial units of measur...

Страница 8: ...e where there is an external potentially explosive atmosphere 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 mixtures operating procedures should ensure that under ...

Страница 9: ...otor terminal box 2 NW10 centring ring and O ring supplied 3 Handle removable refer to Section 3 4 4 NW10 inlet port adaptor flange 5 Gas ballast control 6 Oil filler plug 7 Outlet nozzle 8 Pump motor shaft rotation direction arrow 9 Oil sight glass and bezel 10 Pump identification label 11 Oil drain plug 12 Baseplate 13 O ring 14 Blanking plug side inlet port 15 Removable side panel ...

Страница 10: ... bearing surfaces and 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 oil suckback unless the gas ballast valve is open For protection in this case refer to Section 1 4 The level and condition of the oil in the oil box reservoir can be inspec...

Страница 11: ...ta Maximum displacement E2M0 7 E2M1 5 50 Hz electrical supply 0 9 m3 h 1 0 53 ft3 min 1 1 8 m3 h 1 1 06 ft3 min 1 60 Hz electrical supply 1 1 m3 h 1 0 65 ft3 min 1 2 2 m3 h 1 1 30 ft3 min 1 Maximum pumping speed Pneurop 50 Hz electrical supply 0 75 m3 h 1 0 44 ft3 min 1 1 6 m3 h 1 0 94 ft3 min 1 60 Hz electrical supply 0 95 m3 h 1 0 56 ft3 min 1 2 0 m3 h 1 1 18 ft3 min 1 Motor rotational speed 50 ...

Страница 12: ...mensions Refer to Figure 2 Degree of protection IEC34 5 1981 IP54 Pump inlet port NW10 the flange can be removed from the 3 8 inch BSP tapped hole Pump outlet port 11 mm external diameter nozzle the nozzle can be removed from the 3 8 inch BSP tapped hole Noise level at 1 metre 54 dB A Table 4 Electrical data Continuous motor output rating E2M0 7 0 09 kW E2M1 5 0 16 kW Motor electrical supply E2M0 ...

Страница 13: ...request Figure 2 Dimensions mm inches Table 5 Lubrication data Recommended oil To operate the pump when the ambient temperature is outside the range specified in Section 2 1 or to optimise pump performance when you process condensable vapours a different oil may be required Ultragrade 15 Maximum oil capacity 0 32 litre A 160 6 3 for 220 240 V motors 189 7 4 for 110 120 V motors 1 Handle removable ...

Страница 14: ...A371 22 880 Issue R Page 8 Edwards Limited 2013 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited This page has been intentionally left blank ...

Страница 15: ...ider the following points when designing your pumping system Use a suitable valve to isolate the pump from the vacuum system if the pump needs to warm up before condensable vapours are pumped or if the vacuum needs to be maintained when the pump is switched off Avoid high levels of heat input to the pump from the process gases otherwise the pump may overheat and seize and cause the motor thermal o...

Страница 16: ... visible and the oil filler plug oil drain plug mode selector and gas ballast control are accessible If the pump is part of a permanent installation the handle can be removed to make the pump more compact To remove the handle cut the handle in half then remove the two halves from the pump If the pump will be located inside an enclosure ensure that there is adequate ventilation at both ends of the ...

Страница 17: ...lied loose inside 2 Screw the plastic cable gland into the hole in the side of the motor terminal box Using a tool this should be tightened to a torque of 3 75 Nm 3 Thread the supply cables through the gland and connect to the appropriate terminals as shown in Figure 3 The earth ground terminal connection must be tightened to a torque of 2 13 to 2 87 Nm 1 57 to 2 11 lbf ft 4 Tighten the dome shape...

Страница 18: ...d O ring supplied Remove the NW10 flange and connect to the 3 8 inch BSP threaded hole Remove the NW10 flange and replace it with a NW25 flange adaptor available as an optional accessory see Section 7 4 and then connect to the NW25 flange Take note of the following information when connecting the pump to the vacuum system Refer to Section 7 4 for details of the accessories mentioned below For opti...

Страница 19: ... side inlet port 3 8 Connect the pump outlet To connect the pump to your outlet accessories or to your exhaust treatment plant you can Connect 10 mm internal diameter vacuum hose or 12 mm internal diameter plastic hose to the outlet nozzle Figure 1 item 7 Remove the outlet nozzle and connect to the 3 8 inch BSP tapped hole Remove the outlet nozzle and replace it with an NW25 flange adaptor availab...

Страница 20: ...A371 22 880 Issue R Page 14 Edwards Limited 2013 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited This page has been intentionally left blank ...

Страница 21: ...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 ignition in the case of a rare malfunction which allows flammable materials or mixtures to pass through the pump whilst within their ...

Страница 22: ...ly measure the inert gas purge flow rate if the flow rate falls below that required you must stop the flow of flammable gases or vapours into the pump Note We recommend that you obtain and read the Vacuum Pump and Vacuum System Safety manual publication number P400 40 100 available from Edwards or your supplier 4 2 Gas ballast control Use the gas ballast control Figure 1 item 5 to change the amoun...

Страница 23: ...2 inches 6 To achieve ultimate vacuum to pump condensable vapours or to decontaminate the pump oil refer to the procedures in Sections 4 4 4 5 and 4 6 respectively Otherwise open the vacuum system isolation valve 4 4 To achieve ultimate vacuum If the pump does not achieve the performance specified in Section 2 2 make sure that this is not due to your system design before you contact your supplier ...

Страница 24: ...nattended operation under the normal operating conditions specified in Section 2 However Edwards recommend checking the pump at a regular interval of not more than 14 days check the pump more frequently if pumping high volumes of gas or if operating the pump with the gas ballast control open The motor is protected by an overload device which isolates the pump from the electrical supply when critic...

Страница 25: ... are very dangerous Fluorinated materials in the pump may include oils greases and seals The pump may have overheated if it was misused if it malfunctioned or if it was in a fire Edwards Material Safety Data Sheets for fluorinated materials used in the pump are available on request contact your supplier or Edwards Leak test the system after maintenance work is complete if you have connected or dis...

Страница 26: ...e drained from the pump more easily 2 Isolate the pump from your electrical supply and disconnect it from the vacuum system 3 Remove the oil filler plug 6 4 Place a suitable block under the pump motor to tilt the pump and place a suitable container under the drain plug 11 Remove the drain plug and allow the oil to drain into the container 5 If the oil is dirty or contaminated pour clean oil into t...

Страница 27: ... filter 2 and inlet adaptor 1 Figure 4 Inlet filter removal and replacement 5 6 Clean or replace the gas ballast O ring Note The filter element Figure 5 item 3 is retained in its seating with adhesive do not try to remove it Refer to Figure 5 1 Unscrew and remove the gas ballast control 1 2 Remove the O ring 2 from the control 3 Wash the O ring in a suitable cleaning solution Replace the O ring if...

Страница 28: ... Fit new blades Fit new blades to the pump as described in the instructions supplied with the blade kit refer to Section 7 3 5 10 Replace the capacitor and test the motor Replace the capacitor as described in the instructions supplied with the capacitor kit Test the earth ground continuity and the insulation resistance of the pump motor in accordance with local regulations for periodic testing of ...

Страница 29: ...led the pump with the wrong type of oil The oil is contaminated The pump has not primed The vacuum fittings are dirty The inlet filter is blocked The pump has not warmed up The pump is noisy The motor fan cover is damaged The motor bearings are worn The oil is contaminated with solid particles One of the pump blades is sticking The pump surface temperature is above 100 C 212 F The ambient temperat...

Страница 30: ...e trademarks of Edwards Limited Maintenance There is an external oil leak The oil pump shaft seal is worn or damaged The oil box O ring has deteriorated There is an oil leak from gas ballast control There is an oil leak from the drain plug Table 8 Fault finding continued Fault condition Possible cause ...

Страница 31: ...pump with dry nitrogen and disconnect the pump from the vacuum system 4 Replace the oil as described in Section 5 4 5 Place and secure protective covers over the inlet and outlet ports 6 Store the pump in cool dry conditions until required for use When required prepare and install the pump as described in Section 3 If the pump has been stored for more than a year clean and overhaul the pump before...

Страница 32: ...A371 22 880 Issue R Page 26 Edwards Limited 2013 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited This page has been intentionally left blank ...

Страница 33: ...mination service exchange repair rebuild and testing to factory specifications Equipment which has been serviced repaired or rebuilt is returned with a full warranty Your local Service Centre can also provide Edwards engineers to support on site maintenance service or repair of your equipment For more information about service options contact your nearest Service Centre or other Edwards company 7 ...

Страница 34: ...chemical trap protects the pump against chemically active gases 7 4 6 Foreline trap Use a Foreline trap on a clean pumping system to prevent back migration of rotary pump oil vapour into the vacuum system Table 10 Accessories Item Numbers Accessory Refer to Section Item Number IT020K Inlet catchpot These accessories require an NW25 adaptor refer to Section 7 4 10 7 4 2 A441 10 000 ITF20K Inlet dus...

Страница 35: ...spares and accessories A371 22 880 Issue R Figure 6 Accessories 1 Inlet catchpot 2 Inlet dust filter 3 Inlet desiccant trap 4 Inlet chemical trap 5 Foreline trap 6 Solenoid operated pipeline valve 7 Solenoid operated gas ballast valve 8 Outlet mist filter 9 Flange adaptor kit 10 Vibration isolators 11 Oil drain extension ...

Страница 36: ...tion and noise when the pump is floor or frame mounted and helps to reduce strain when the mounting area is uneven 7 4 10 Pump inlet or outlet NW25 adaptor This is a 3 8 inch BSP to NW25 adaptor supplied with connection hardware Use this adaptor when the NW10 adaptor fitted to the pump inlet or the outlet nozzle fitted to the pump outlet are removed to adapt the 3 8 inch BSP thread to NW25 7 4 11 ...

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