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Table of Contents
Related Manuals for Leybold vacuum RUVAC WA 151
Summary of Contents for Leybold vacuum RUVAC WA 151
- Page 1 LEYBOLD VACUUM Vacuum Pumps Instrumentation Fittings and Valves • GA 03.107/10.02 • • � RUVAC WA/WAU 151/251/501/1001/2001 Cat. No. 117 10/20/30/40/50 117 11/21/31/41/51 118 31/41/51 117 24/34/44 917 10/20/30/40/50 917 11/21/31/41/51 Operating Instructions...
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Page 2: Table Of Contents
Contents Contents Leybold Service If a pump is returned to Leybold, indicate whether the Page pump free of substances damaging to health or whether Description ......3 it is contaminated. -
Page 3: Description
Description Key to Fig. 1 1 Intake flange 2 Pumping chamber 3 Casing 4 Impeller 5 Discharge flange Fig. 1 Schematic cross-section of a Roots pump (vertical flow) Fig. 2 Functional diagram of a Roots pump (vertical flow) 1 Description 1.1 Design and Function In position IV, this volume is opened to the discharge The RUVAC WA and RUVAC WAU are Roots vacuum... - Page 4 Description Key to Fig. 3 1 Gearwheels 8 Coupling 2 Bearings 9 Motor 3 Impeller seals 10 Drive shaft 4 Intake port 11 Centrifugal disc lubricator 5 Impellers 12 Discharge port 6 Shaft seals 13 Connecting pipes 7 Oiler 14 Crane eye Fig.
- Page 5 Description Key to Fig. 4 1 Pressure balance line 2 Pressure balance valve Fig. 4 Schematic diagram of a Roots pump with pressure balance line The feedthrough of the impeller’s shaft between the 1.1.4 Lubricants evacuated bearing space and the atmosphere is sealed The standard RUVAC WA/WAU pumps are ready for by means of shaft seals.
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Page 6: Standard Specification
Description 1.2 Standard Specification RUVAC WA/WAUs are supplied for vertical flow as Pumps with Cat. Nos. beginning with 917... are supplied standard unless you specifically request horizontal flow. with ASA adapter flanges. The ASA flanges are sealed The shaft seal housing is supplied with a filling of oil. with a piece of foil. -
Page 7: Technical Data
Description 1.3 Technical Data 50 Hz operation, SI units, “Euro versions” RUVAC WA / WAU 1001 2001 Nominal pumping speed 1000 2050 Maximum pumping speed 1850 at a pumping speed for the backing pump of Possible cut-in pressure – RUVAC WA mbar at a pumping speed for the backing pump of Maximum allowable pressure differential... - Page 8 Description RUVAC WA/WAU 2001 with S = 630 m RUVAC WA/WAU 1001 with S = 250 m RUVAC WA/WAU 501 with S = 160 m RUVAC WA/WAU 251 with S = 65 m RUVAC WA/WAU 151 with S = 40 m Pressure = pumping speed of the backing pump Fig.
- Page 9 US-versions For US-Versions Conversion of Units Conversion factors Different pressure units Different pumping speed units mbar torr Inches Hg · h I · s vacuum (millibar) · h l · s = l/s (cubic feet per minute) 1 Ib = 0.453 kg 1013 0.278 0.589...
- Page 10 US-Versions Technical Data 60 Hz-operation, English units, „US-Versions“; further technical Data see „Euro-Versions, page 7. RUVAC WA / WAU 1001 2001 Nominal pumping speed 1449 Maximum pumping speed 1308 at backing pump speed Possible cut-in ressure RUVAC WA Torr at backing pump speed Maximum allowable pressure differential in continuous operation Torr...
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Page 11: Accessories
Description 1.4 Accessories Cat.-No. Set of gaskets WA/WAU 151/251 ..... . .194 60 WA/WAU 501 ......194 64 WA/WAU 1001 . -
Page 12: Transportation And Storage
Transportation and Storage 2 Transportation and Storage Caution Roots pumps are heavy machines (> 70 kg) made of The pump must only be moved and cast iron and thus should only be lifted using suitable installed in its horizontal orientation. lifting equipment tied to the crane eye (8/3) provided for Otherwise the oil in the shaft seal housing this purpose. -
Page 13: Installation And Connection
Installation and Connection 3 Installation and Connection Caution Only fill in the oil after having installed the 3.2 Filling in of the pump. Lubricants 3.1 Installation The housing for the shaft seal and the oiler (10/1) are filled with N 62 oil when the pump is supplied. The oil level must be visible in the oiler. -
Page 14: Electrical Connections
Installation and Connection 3.3 Electrical Connections Warning Wear protective goggles for protection against particles which may be forced out of the flange opening. Keep your hands away Warning Disconnect the mains before doing work on from the flange opening. the wiring. Electrical connections must be made by a skilled electrician as defined by VDE 0105 and in accordance with the guidelines of... - Page 15 Installation and Connection High Voltage Low Voltage NEMA - Motors ∆ Connection to Star/Delta switch Y - Star connection - Delta connection IEC - Motors Fig. 9 Electrical connection...
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Page 16: Connection Of The Flanges
Installation and Connection 3.4 Connection of the Flanges Caution Already small quantities of liquids (from the The dirt-trap which is supplied with the pump should vacuum chamber or the piping) can lead to always be fitted into the intake flange when there is the liquid damages within the pump. -
Page 17: Operation
Operation 4 Operation 4.1 Start-up With small vacuum vessels, the maximum permissible pressure differential can be briefly exceeded (max. 3 min) upon start-up. If a pressure switch has been Check the pump motor’s direction of rotation and the oil installed, do not set it to this higher pressure because it level in the bearing spaces (see Section 3.2 and 3.3). -
Page 18: Shutdown And Storage
Operation 4.4 Changing from Vertical The oil level for the shaft seal housing must always be visible in the oiler (10/1). The correct oil level is of the to Horizontal Flow height of the oil when the pump is cold of the height of the oiler when the pump is warm. - Page 19 Operation Key to Fig. 10 1 Oiler 2 Sealing screw 3 Sealing screw 4 Feet of the pump 5 Sealing screw 6 Magnetic sealing screw 7 Sealing screw 8 Oil-fill opening Fig. 10 Changing the direction of flow...
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Page 20: Maintenance
Maintenance 5 Maintenance 5.1 Safety Information When shipping contaminated pumps which require approval by the authorities, you must observe the applicable packaging and The safety information given in the following applies to all shipping regulations. maintenance work. Caution maintenance cleaning work Warning Disconnect the electrical power before... -
Page 21: Oil Change/Gear Box
Maintenance 5.2 Oil Change/Gear Box Caution We recommend the use of our special oil N 62 or HE-200. Please consult us if you intend to run the pump with Warning Observe all safety information provided in other oils or special lubricants. Section 5.1. -
Page 22: Cleaning The Fan Cowl And The Cooling Fins
Maintenance 5.4 Cleaning the Fan Cowl 5.6 Cleaning the Pumping and the Cooling Fins Chamber Warning Warning Observe all safety information provided in Observe all safety information provided in Section 5.1. Section 5.1. The slits in the fan cowl (8/14) as well as the fins on the Under dirty operating conditions, contaminants may be motor and on the pump may be contaminated depending deposited in the pumping chamber or on the impellers. -
Page 23: Cleaning The Valve Of The Pressure Balance Line
Maintenance 5.7 Cleaning the Valve of the 5.8 Exchanging the Shaft Pressure Balance Line Seals Observe all safety information provided in Observe all safety information provided in Section 5.1. Section 5.1. Warning Remove the screws and take off the cover The shaft feedthrough of the RUVAC WA/WAU is sealed (12/1) with... - Page 24 Maintenance shaft seal is malfunctioning. If the oil loss is only slight, Take the O-ring (13/5) from the housing. Remove the pump may still be operated for some time, provided securing ring (13/6). the lost oil is topped up regularly. Pull out the shaft seal (13/7).
- Page 25 Maintenance Key to Fig. 13 Oiler 15 Coupling element O-ring 16 Protection tube Bushing 17 Motor with coupling piece (other half) O-ring 18 Nuts O-ring 19 Screw Securing ring 20 Screw Shaft seal 21 Sealing screw (WA/WAU 1001 and 2001 only) Shaft seal housing 22 Securing ring Securing ring (WA/WAU 151, 251 and 501 only)
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Page 26: Leybold Service
Maintenance 5.9 Leybold Service Now reassemble the parts in the reverse order as for disassembly. If a pump is returned to LEYBOLD, indicate whether the Before starting the pump, fill in the required amount of oil pump free of substances damaging to health or whether at the oiler (see Section 3.2). - Page 27 Maintenance a – Pulling device for the coupling b– Shaft seal driver; material: aluminium, brass or similar RUVAC WA/WAU 151/251/501 RUVAC WA/WAU 1001/2001 c – Two-armed puller For item 1: Reworking of the cross bar For item 2: Reworking of both hooks Fig.
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Page 28: Troubleshooting
Troubleshooting 6 Troubleshooting Fault Possible cause Remedy Repair Pump does not Motor is connected incorrectly. Connect the motor correctly. start. Faulty pressure switch. Replace the pressure switch. Oil is too thick. Change the oil or warm the oil and the pump. Motor rotor is malfunctioning. -
Page 29: Eec Manufacturer's Declaration
EEC Manufacturer’s Declaration in the sense of the Directive on Machinery 89/392/EWG, Annex IIb We – Leybold Vacuum GmbH – herewith declare that Applied harmonised standards: operation of the incomplete machine defined below, is • EN 292 Part 1 and Part 2 Nov. - Page 30 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 declaration.
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Page 31: Declaration Of Conformity
Declaration of Conformity We – LEYBOLD Vacuum GmbH – herewith declare that The products conform to the following directives: the products defined below meet the basic requirements • EEC Directive on Machinery (89/392/EWG) regarding safety and health of the relevant EEC and subsequent. - Page 32 LEYBOLD VAKUUM GmbH Bonner Straße 498 (Bayenthal) D-50968 Köln Telefon: (0221) 347-0 Telefax: (0221) 347-1250...
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