Related Manuals for LEYBOLD E Series
Summary of Contents for LEYBOLD E Series
- Page 1 LEYBOLD VACUUM Vacuum Solutions Application Support Service GA 02.200/5.02 E and DK - Pumps Rotary Piston Pumps E75/150/250, DK 100/200 Cat. No. 105 16/26/36 111 06/16 895 05/06/07/08/09 895 02/03 Operating Instructions...
- Page 2 Waste oil from vacuum pumps which is contaminated Leybold Service .....23 with other substances must be marked and stored in such a way that the type of contamination is apparent.
- Page 3 In the pump body (2/14), the piston (2/1) is guided by the eccentrically mounted cam (2/2) along the wall of the The E series comprises single-stage rotary piston pumping chamber, without contacting it. The piston divi- pumps, and the DK series consists of two-stage rotary des the chamber into two sections that change in size.
- Page 4 Description Key to Fig. 2 Piston Drive shaft Oil channel Exhaust valve Oil-level glass Exhaust box Gas ballast activator Dirt trap 10 Inlet port 11 Piston neck 12 Slide valve 13 Cooling fins 14 Pump body Fig. 2 Cross-section of rotary piston pump and principle of operation 1.1.2 Design This prevents condensation of vapours in the pump up to the vapour tolerance specified in the Technical Data.
- Page 5 When shelving the pump for over one year, you should run maintenance on the pump and also do an oil change before putting the pump into service again. We recom- mend that to get in touch with Leybold Service in such a case. GA 02.200/5.02 - 09/97...
- Page 6 Description ød E 75 50 KF 50 KF E 150/DK 100 63 ISO-K 50 KF 1000/890 E 250/DK 200 63 ISO-K 63 ISO-K 1190 E 75 50 KF 50 KF E 150/DK 100 63 ISO-K 50 KF E 250/DK 200 63 ISO-K 63 ISO-K Dimension “a”...
- Page 7 Description 1.3 Technical Data and Accessories Rotary Piston Pump E 75 E 150 E 250 DK 100 DK 200 m 3 · h -1 Nominal pumping speed m 3 · h -1 Pumping speed mbar 2.5 · 10 -1 2.5 · 10 -1 2.5 ·...
- Page 8 Description Without gas ballast With gas ballast Fig. 5 Pumping speed characteristics 1.4 Lubricants When using other oil brands, employ mineral oils without The same oil can be used for the pump and the gear. additives of viscosity class ISO VG 100 (formerly SAE The rotary piston pumps should be run with N 62 or a 30) or VG 46 (formerly SAE 20).
- Page 9 Operation 2 Operation Caution 2.1 Installation The use of vibration absorbing feet does not prevent pump vibration, but merely reduces the vibrations transmitted to the supporting Warning The standard pump is not suited for instal- structure. lation in explosion hazard areas. However, the inclination of the pump must •...
- Page 10 Operation For checking the direction of rotation it is advisable to To prevent the room in which the pump is located from use a phase-sequence indicator. being contaminated by oil mist or the medium pumped, we strongly advise you to connect an exhaust line. This If the pump has a built-in SECUVAC valve, connect it so is always needed if the exhaust gas is noxious.
- Page 11 Operation 2.4 Start-up 2.5.2 Pumping of Condensable Gases and Vapours The pumps are supplied with the necessary oil charge in With the gas ballast valve open and at operating tempe- ready-to-use condition. rature (approx. 70 °C - 95 °C), the rotary piston pump The oil level of the pump can only be checked properly can pump pure water vapour up to the values indicated when the pump is running.
- Page 12 Operation 2.6 Shutdown and Storage Drain the oil (see Section 3.3). Fill the pump with fresh oil (see Section 3.3) and let it run for a while. Warning • When the pump has been switched off while warm, it may not be switched on Drain the oil again and fill the pump with fresh oil once immediately again.
- Page 13 Check the oil level regulations! Pump 1 day If you send a pump to Leybold for repair, Gear 1 week please specify all hazardous substances in or around the pump. Please use the special Check condition...
- Page 14 Drain the oil into a measuring bea- ker (6/16), check the quantity and pour it back in (6/14). An oil level glass is available upon request. If an increase in the oil consumption is determined you should inform the Leybold Service. GA 02.200/5.02 - 09/97...
- Page 15 If the dirt trap is faulty, replace it. oil. The cleaning intervals depend on requirements. If large Single-stage pumps (E series) only: Unscrew the oil- amounts of abrasive materials occur, a dust filter should drain plug below the oil-level glass and drain the oil.
- Page 16 Maintenance 3.6 Disassembling and Reassembling the Pump Warning This kind of work should be left to trained 3.6.2 Disassembling the Valves and Oil personnel. At this point we recommend our Level Glass practical training courses. Please note especially the safety informati- Remove the exhaust box (6/5).
- Page 17 Maintenance Key to Fig. 7 Gas ballast activator Oil-level glass Exhaust and gas ballast valve assembly Valve holder without oil drain groove Gas ballast adaptor T-screw connection Silencer nozzle Tubing Valve holder with oil drain groove (on two-stage pumps only) Fig.
- Page 18 Maintenance Caution 3.6.3 Disassembling the Motor End It is advisable always to replace the L-ring shaft seal (8/27) and the radial shaft seal (see Fig. 8) (8/7). Remove the motor (8/9). Pull the L-ring shaft seal (8/27) off from the shaft. Only if the pinion gear (8/11) is to be replaced: Remove the screw (8/13) and pull off the pinion gear (8/11) (spe- Loosen two screws on the front end plate (8/8) and...
- Page 19 Maintenance Key to Fig. 8 Piston Piston bushings Slide valve O-ring Tapered dowel pins Radial shaft seal Front end plate Three-phase motor 10 Spacer bushing 11 Pinion gear 12 Spacer bushing 13 Screw 14 Gasket 15 Gear box 16 Gasket 17 Retainer ring 18 Ring gear 19 Spacer...
- Page 20 Maintenance Key to Fig. 9 1 Tapered dowel pin 2 Rear end plate 3 O-ring 4 Slide valve 5 O-ring 6 Side cover 7 Cam 8 Piston bushing 9 Piston 10 Shaft bushing 11 O-ring 12 O-ring 13 Gasket ring 14 Oil-drain plug screw Fig.
- Page 21 Maintenance Key to Fig. 10 Shaft bushing Intermediate plate O-ring Slide valve Disk Piston Piston bushing Loose intermediate plate 10 Piston bushing 11 Shaft 12 Key 13 Screw plug 14 Tapered pin 15 Foot Fig. 10 Removing the shaft and intermediate plate(s); removing the middle piston and cam on E 250 and DK 200 3.6.5 Removing the Shaft and Intermediate If the piston bushings (10/7) are damaged, force them out of the piston (10/6).
- Page 22 Maintenance Key to Fig. 11 L-ring shaft seal (8/27) Oil flow holes Circular spring on ID of radial shaft seal Radial shaft seal (8/7) Bottom surface of bearing well Spacer (8/26) Front end plate (8/8) Retainer ring (8/25) Bearing (8/24) 10 Ring gear (8/18) 11 Shims (8/23) 12 Retainer ring (8/17)
- Page 23 When withdrawing the sleeve tool, hold the L-ring shaft seal tight. If a pump is returned to LEYBOLD, indicate whether the The spacer (8/26) has an oil channel, which must point pump free of substances damaging to health or whether upward when installed.
- Page 24 Troubleshooting 4 Troubleshooting Fault Possible cause Remedy Repair note Pump does not Motor is connected incorrectly. Connect the motor correctly (wiring diagram in junction box). start. Reverse lock prevents start-up. Interchange two of the input leads at motor junction box or install the reverse lock correctly.
- Page 25 Troubleshooting Fault Possible cause Remedy Repair- note Pump gets hotter Air intake or discharge surfaces of the cooler Set up the pump correctly or clean the cooler. than previously are obstructed or dirty. observed. Ambient or intake temperatures are too high. 40 °C max.
- Page 26 EC Declaration of Conformity We - Leybold Vacuum GmbH - herewith declare that the The products meet the requirements of the following products defined below meet the basic requirements directives: regarding safety and health of the relevant EC directives •...
- Page 27 EC Directive on Machinery 89/392/EEC, Annex IIb Applied harmonized standards: We - Leybold Vacuum GmbH - herewith declare that ope- ration of the incomplete machine defined below, is not • EN 292 Part 1 and Part 2 Nov.
- Page 28 GA 02.200/5.02 - 09/97...
- Page 29 Declaration of Contamination of Vacuum Equipment and Components The repair and/or service of vacuum equipment and components will only be carried out if a correctly completed declaration has been submitted. Non-completion will result in delay. The manufacturer could refuse to accept any equipment without a declara- tion.
- Page 30 The right of alterations in the design and the technical data is reserved. The illustrations are not binding. LEYBOLD VAKUUM GmbH Bonner Strasse 498 (Bayenthal) D-50968 Cologne Tel.: +49 (0)221 347-0 Fax: +49 (0)221 347-1250 http://www.leyboldvac.de e-mail:documentation@leyboldvac.de GA 02.200/5.02 - 09/97...
Need help?
Do you have a question about the E Series and is the answer not in the manual?
Questions and answers