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Description

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GA03107_002_A4 - 09/2015 - © Oerlikon Leybold Vacuum

1

Description

1.1 Design and Function

The RUVAC WA and RUVAC WAU are Roots vacuum pumps which are driv-
en directly by an electric motor.

The WAU types have a pressure balance line between the discharge and
intake flange.

Standard RUVAC pumps are not suited for pumping of oxygen when the
oxygen concentration exceeds that in the atmosphere.

Before planning to use RUVAC pumps for pumping of highly aggressive
gases, contact us first.

The inside (the process gas side) of this vacuum pump is so designed and
rated that the occurrence of foreseeable ignition sources can be excluded
during normal operation. The pump carries an

ATEX 3 inside

identification

and when a corresponding motor has been connected also an

ATEX 3 out-

side

identification. For details please refer to the ATEX section.

The operator is responsible regarding conforming utilisation of the RUVAC
pumps and compliance with the statutory requirements from the ATEX opera-
tor directive (99/92/EG).

1.1.1 Principle of Operation

Roots pumps - also known as Roots blowers - contain in their pump casing
two symmetrical impellers rotating in opposite directions (see fig. 1.1). The
impellers have roughly the cross section of a figure “8” and are synchronised
by a toothed gear so that they move past each other and the casing without
contact but with a small clearance.

The principle of operation is explained in fig. 1.2.

In impeller positions I and II, the volume in the intake flange is increased.
When the impellers rotate further to position III, part of the volume is sealed
off from the intake side.

In position IV, this volume is opened to the discharge side, and gas at back-
ing pressure (higher than the intake pressure) flows in. The inflowing gas
compresses the gas volume pumped from the intake side. As the impellers
rotate further, the compressed gas is ejected via the discharge flange. This
process occurs twice per complete revolution of each of the two impellers.

Due to the non-contacting rotation in the pumping chamber, Roots pumps
can be operated at high speeds (standard n = 3,000 rpm at a mains
frequency of 50 Hz). Thus a relatively high pumping speed is attained with
small pumps.

The pressure differential and compression ratio between the intake and dis-
charge sides are limited on Roots pumps. If the allowable pressure
differential is exceeded, the pump overheats.

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Содержание RUVAC WA

Страница 1: ...13 22 42 117 20 21 24 30 31 34 40 41 44 50 51 118 31 41 51 128 38 155 008 011V 167 004 022 RUVAC WA WAU 251 501 1001 2001 Roots vacuum pumps ATEX Categories 3 i and 3 i o Installation and Operating Instructions GA03107_002_A4 ...

Страница 2: ...ning the Operating Range 13 Fitting the Pt 100 Temperature Sensor 16 Additional Installation Requirements X 21 Potential Ignition Sources 22 1 Description 25 1 1 Design and Function 25 1 1 1 Principle of Operation 25 1 1 2 Design 27 1 1 3 Pressure Balance Line 28 1 1 4 Lubricants 29 1 2 Standard Specification 29 1 3 Technical Data 30 1 3 1 Motor Data 32 1 4 Ordering data 33 2 Transport and Storage...

Страница 3: ...rmation 53 5 2 Exchanging the Oil Bearing Chambers 54 5 3 Oil change Shaft Seal Housing 55 5 4 Cleaning the Fan Cowl and the Cooling Fins 56 5 5 Cleaning the Intake Screen 56 5 6 Cleaning the Pumping Chamber 56 5 7 Cleaning the Valve of the Pressure Balance Line 57 5 8 Exchanging the Shaft Seals 58 5 8 1 Preparations 59 5 8 2 RUVAC WA WAU 251 501 59 5 8 3 RUVAC WA WAU 1001 2001 61 5 9 Exchanging t...

Страница 4: ...ly Consult local state and national agencies regarding specific requirements and regulations Address any further safety operation and or maintenance questions to our nearest office DANGER indicates an imminently hazardous situation which if not avoid ed will result in death or serious injury WARNING indicates a potentially hazardous situation which if not avoided could result in death or serious i...

Страница 5: ... 7 It is recommended to always only operate the RUVAC with a suitable discharge line which is properly connected 8 If discharged gases must be collected or contained do not allow the discharge line to become pressurized 9 When moving the RUVAC always use the allowed means Two crane eyes are provided on this pump as standard 10 Do not allow the ingestion of any objects screws nuts washers piec es o...

Страница 6: ...n box to ensure that it is undamaged perform a visual inspection on the seals 5 Install add on parts pressure switches for example without any ten sions and protect these against damage by impacts for example 6 Lay the connecting lines so that they cannot be damaged Protect the lines against humidity and contact with water Avoid thermally stressing the lines due to unfavourable laying Observe the ...

Страница 7: ... warning information 0 4 Hazards Caused by Materials and Substances 1 The vacuum line must be leaktight Hazardous process gases may escape or the pumped gases can react with air or atmospheric humid ity After installation of the pump and after servicing work on the vacu um system a leak test will always be necessary When pumping hazardous gases we recommend a leak test on a reg ular basis Leaks in...

Страница 8: ...liged to ana lyse the situation carefully and to take appropriate precautions intro duced by competent experts 2 Before pumping oxygen or other highly reactive gases at concentra tions exceeding the concentration in the atmosphere 21 for oxy gen it will be necessary to use a special pump Such a pump will have to be modified and degreased and an inert special lubricant like PFPE must be used 3 Befo...

Страница 9: ...he system we recommend the use of corrugated hoses or compensators on both the intake and the discharge sides 5 Do not use the RUVAC pumps in combination with backing pumps that have an ultimate pressure above 10 mbar This prevents exces sively high temperatures of the RUVAC in idle mode operation 6 In the case of wet processes we recommend the installation of liquid separators upstream and downst...

Страница 10: ...ilisation of equipment and protection facilities in explosion haz ard areas Classification and Marking of the Pump The pumps RUVAC WA 251 to 2001 ATEX Category 3 inside and outside fulfil both for the inside process gas side as well as also for the outside of the pump the basic safety requirements laid down in the guideline These pumps are marked as follows inside 3G IIC TX1 50 Hz 12 C Ta 40 C X I...

Страница 11: ... raised dust but in case such an atmosphere should occur in spite of this then according to all probability only rarely and briefly Equipment belonging to this category ensures during normal operation the required degree of safety G For areas with an explosive atmosphere caused by gases vapors or mists in the air The pump is not suited for areas with an explosive atmosphere caused by explosive dus...

Страница 12: ...in the case of the RUVAC are higher than the surface temperatures The temperature class and the actual maximum surface temperature of the equipment includes a safety margin with respect to the minimum ignition temperature of the potentially explosive atmosphere as demanded in EN 13463 1 50 Hz The nominal frequency for operation as an ATEX pump is 50 Hz Ta The permissible ambient temperature for op...

Страница 13: ...for example 1 2 G Ex ib IIC T6 Determining the Operating Range for TX in ATEX Zone 2 i and o X Category 3 i and o The possible operating range for temperature classification TX is based on the effective pumping speed of the backing pump which is used ScrewLine for example and connected to the discharge port of the RUVAC and the effective pumping speed of the RUVAC From this effective pumping speed...

Страница 14: ...t mbar Below a certain compression pressure pv pconst TX the RUVAC WA WAU ful fils at all times the requirements of temperature classification TX When it is ensured that this respective pressure is not exceeded and provided the back ing pump system is capable of supplying the specified pumping speed at all times then no temperature monitoring for the Roots pump will be necessary The intake pressur...

Страница 15: ...onst TX Table value for TX see table pressure at RUVAC discharge port kth Theoretical compression ratio pV Compression pressure Pressure at the RUVAC discharge side pa Operating pressure RUVAC intake side For the operating range with higher pressures pv from pconst TX the following applies The higher the ratio pumping speed Roots pump pumping speed backing pump keff is the higher the gas temperatu...

Страница 16: ...mperature in the middle of the RUVAC s dis charge flange see Fig 0 1 and 0 2 Depending on the size of the RUVAC pump respectively its flange the Pt 100 sensor needs to be fitted at different positions The temperature sensor Pt 100 is equipped with three installation marks marks A B C see Fig 0 2 According to the information given in the following table the Pt 100 must be inserted up to the respect...

Страница 17: ...perature which needs to be set up for T3 200 C 100 C 100 C 100 C 100 C Shutdown temperature which needs to be set up for T4 135 C Not permissible for T4 operation Examples for Operation within Different Temperature Classes T2 As can be seen from Table 2 the maximum pressure difference defines the limit for the WA 251 WA 501 and WA 1001 For the WAU 251 2001 T2 is fulfilled at all times For operatin...

Страница 18: ...operated Here the require ments of temperature classification T3 are fulfilled at all times A RUVAC WA 501 ATEX Kat 3 i o is being operated together with a liquid ring pump and a steam ejector pump The liquid ring pump and the steam ejec tor pump generate a pumping speed of approximately150 m3 h ATEX requirement The WA 501 must not exceed the temperature T3 200 C However the process pressure pa is...

Страница 19: ...p like for example valves sensors is also approved for operation in such areas The same con ditions which apply to operation of the pump apply also to the accessories Related Accessories The Oerlikon Leybold Vacuum accessories available for this pump are also suited for operation in explosion hazard areas The same conditions which apply to operation of the pump apply also to the accessories When u...

Страница 20: ...as with explosive atmospheres are given in the Directive 99 92 EG and the corre sponding guide COM 2003 515 together with the European standard EN 60079 10 Electrical apparatus for explosive gas atmospheres Part 10 Classification of hazardous areas Additionally further information on the avoidance of explosions and on the topic of explosion protection can be found in the Directive 99 92 EG and the...

Страница 21: ...ible ambient temperature is between 12 C and 40 C The maximum discharge pressure forevacuum pressure must not exceed pconst when no temperature monitoring has been installed for the RUVAC WA WAU Here the following applies to the inlet pressure pa pconst kth If the pump outside has been certified for operation in areas with explosive atmospheres the special information contained in the European sta...

Страница 22: ...eration of the vacuum pump Tests have shown that in the case of con forming utilisation of the pump in line with these instructions the process gas path which may come in to contact with a potentially explosive atmosphere attains when operated at a nominal frequency of 50 Hz a maximum temper ature of less than 200 C for T3 or 135 C for T4 The maximum temperatures are attained in the case of contin...

Страница 23: ...for this purpose During normal operation no dangerous electrical charges will be produced for further information relating to the haz ards caused by static electricity see CENELEC report CLC TR 50404 2003 Electrostatics Code of practice for the avoidance of hazards due to static electricity Exclusively use original Oerlikon Leybold Vacuum spare parts since only these have been designed such that p...

Страница 24: ...ame results Due to the installation position and the tolerances stated for the temperature measurement and for compliance with temperature classification TX the RUVAC WA WAU must be shut down reliably at the shutdown temperatures stated in Table 1 T4 operation is excluded 24 60 V DC AC or 85 230 V DC AC Combined measurement transducer limit value indicator SONEAX VC 603 Analog output Explosion haz...

Страница 25: ...tain in their pump casing two symmetrical impellers rotating in opposite directions see fig 1 1 The impellers have roughly the cross section of a figure 8 and are synchronised by a toothed gear so that they move past each other and the casing without contact but with a small clearance The principle of operation is explained in fig 1 2 In impeller positions I and II the volume in the intake flange ...

Страница 26: ... rough and fine vacuum ranges They are thus either used in connection with backing pumps or in closed gas cycles Power consumption of the pump depends on the volume of the pump chamber the speed of the pump the existing pressure range the pressure difference between the inlet and the discharge flange see fig 1 7 and the type of gas to be pumped Fig 1 2 Functional diagram of a Roots pump vertical f...

Страница 27: ...ber by the impeller seals During operation of the pump the side chambers are evacuat ed via the impeller seals The side chambers are linked to each other by two passages These passag es are arranged so that for either horizontal or vertical flow the pressure will be equalised between the oil supplies In both side chambers there are integrated oil pumps to ensure that the bear ings and gearwheels r...

Страница 28: ...the coupling for additional cooling 1 1 3 Pressure Balance Line The RUVAC WAU has an integrated pressure balance line It links the dis charge and intake flanges via a pressure balance valve If the pressure differential between the flanges is too large the valve opens Some of the gas which has already been pumped then flows back through the line to the intake flange The valve is weight and spring l...

Страница 29: ...ed for vertical flow as standard The shaft seal housing is supplied with a filling of oil Before the pump is shipped the oil has been drained out The quantity of oil needed for running the pump is supplied in a separate container The intake flanges of all pumps contain an inlet screen and have been vented with nitrogen for protection against corrosion The flanges are sealed with plastic adhesive f...

Страница 30: ...00 3600 Max permissible speed min 1 3600 Motor protection category IP 55 Oil filling for the bearing chamber4 1 Filling 5 2 Filling 1 Filling 5 2 Filling 1 Filling 5 2 Filling 1 Filling 5 2 Filling vertical pumping action approx l 0 5 0 4 0 9 0 8 2 0 1 8 4 2 3 6 horizontal pumping action approx l 0 5 0 4 0 8 0 7 1 2 1 1 2 0 1 8 Oil filling of the shaft sealing ring housing l 0 6 1 0 1 3 1 6 Connec...

Страница 31: ... 367 220 310 WA WAU 2001H 150 160 ISO K 1236 800 740 18 367 220 310 Typ b9 d h h1 h2 h3 h4 h5 1 h6 h1 WA WAU 251 7 5 50 300 160 280 180 306 360 330 307 WA WAU 501 7 5 50 340 180 320 194 348 430 370 332 WA WAU 501H 7 5 50 340 180 320 194 348 450 370 350 WA WAU 1001 7 5 50 396 211 370 227 414 532 425 392 WA WAU 1001H 7 5 50 396 211 370 227 414 564 425 424 WA WAU 2001 7 5 50 530 300 460 348 578 753 5...

Страница 32: ...tage 50 Hz 200 240 V 5 7 A 9 4 A 15 6 A 28 A 200 V IE2 5 0 A 9 2 A 14 2 A 27 2 A 380 400 V IE2 2 5 A 4 6 A 7 1 A 13 6 A 60 Hz 200 240 V 4 8 A 8 2 A 13 5 A 27 A 208 240 V EPAct 4 4 A 7 8 A 12 6 A 24 A 380 480 V 2 4 A 4 1 A 6 7 A 13 5 A 416 480 V EPAct 2 2 A 3 9 A 6 3 A 12 A Nominal Efficiency 50 Hz 400 V 100 81 5 85 5 88 6 90 1 75 80 6 85 2 88 4 89 8 50 76 9 83 5 86 6 87 8 60 Hz 460 V 100 82 5 86 3...

Страница 33: ...UVAC WS WSU H seal kit 194 60 194 64 194 68 194 72 Flange adapter set consisting of Flange adapter with screws bolts washers and nuts for ANSI flange WA WS pump WAU WSU pump 3 ANSI 200 03 179 200 03 179 3 ANSI 200 03 179 200 03 179 4 ANSI 200 03 180 200 03 180 6 ANSI 200 03 181 200 03 182 RUVAC WA US conversion kit consisting of ANSI flanges 3 in NEMA motor flange coupling and installation compone...

Страница 34: ...99 Ester oil LVO 210 1 litre L21001 5 litres L21005 20 litres L21020 208 litres L21099 1 Not certified in accordance with ATEX 94 9 EC processing is only permissible in connection with an intrinsically safe electric circuit As an alternative for use within explosion hazard areas the pressure transducer Cerabar M PMC41 from the company Firma Endress Hauser is avail able When ordering the pressure t...

Страница 35: ...w the oil drain plug with its gasket back in and wipe any oil droplets off from the casing It will not be required to drain out the oil from the shaft seal housing oiler The pump should be transported and stored in a horizontal position 5 max tilt Otherwise the oil from the shaft seal housing oiler may drain In addition there is the danger that oil from the side chambers may enter the pump chamber...

Страница 36: ...ce with respect to the fan cowl see Fig 1 5 The pump s ambient temperature should be between 12 C and 40 C Lower temperatures hamper run up higher ones shorten the lubricant change intervals and may lead to greater wear Special oil for operation at temperatures below 12 C is available upon request NOTICE NOTICE Fig 3 1 Connections and controls 1 Discharge flange 2 Oil level glass 3 Crane eye 4 Oil...

Страница 37: ...oil level 1 3 of the oiler must be filled when the pump is cold Top up oil as required The lubricant needed for running the pump is supplied in a separate contain er Unscrew the oil fill plug and add oil An oil without additives and of viscosity class ISO VG 100 formerly SAE 30 must be used for the pump We recommend our special oils LVO 100 or LVO 210 Please consult us if you intend to run the pum...

Страница 38: ...TEX 3 inside identification and when a corresponding motor has been connected also an ATEX 3 out side identification For details please refer to the ATEX section Pumping action of the vacuum pump vertical horizontal Approximate oil level during operation min 6 mm max 0 mm min 2 mm max 4 mm Oil level with the pump at standstill Oil level with the pump at standstill Approximate oil level during oper...

Страница 39: ...ification of pump and motor Non compliance with the described maintenance and service intervals Use in systems and pump systems in which the pressure may increase over 1 2 bar abs Operation with an inadequately affixed pump Operation without suitable backing pump Operation at impermissibly high gas temperatures Use in systems where pump frequency converter and cables are subject ed to impact stres...

Страница 40: ... electrostatic charging This is attained when the ground connection is properly connected at the point provided for this purpose During normal operation no dangerous electrical charges will be produced for further information relating to the haz ards caused by static electricity see CENELEC report CLC TR 50404 2003 Electrostatics Code of practice for the avoidance of hazards due to static electric...

Страница 41: ...r pose of reducing the surge currents upon switching the pump on Star delta start up is not possible U2 niedrige Spannung hohe Spannung V2 W2 U3 V3 W3 U1 V1 W1 L1 L2 L3 U2 V2 W2 U3 V3 W3 U1 V1 W1 L1 L2 L3 Drehrichtung ändern L1 und L2 vertauschen 200 240 V 50 60 Hz 380 400 V 50 Hz 380 480 V 60 Hz Fig 3 4 Electrical connection To reverse running invert L1 and L2 Low voltage High voltage state of de...

Страница 42: ...termine the direction of rotation For this evacuate the vacuum system down to a pressure below 20 mbar with the aid of the backing pump Then switch on the RUVAC briefly now the pres sure must drop If the pressure increases or remains constant the RUVAC is turning in the wrong direction Then rewire as described above Pressure switch For ATEX applications process the signal with an intrinsically saf...

Страница 43: ...system Don t place any stress on the pump casing when installing the intake and exhaust lines Fit compensation elements in order to avoid such stresses When attaching the pump directly without bolting down the feet to the forevacuum pump you must always use on the pressure side the full num ber of screws defined by the flange standard ISO K DIN or ASA whereby these must comply with the demanded pr...

Страница 44: ...s These motors must be ordered with a reduced diameter see following Table NOTICE Specific motor data WA 251 WA 501 WA 1001 WA 2001 Type 3 ph motor 3 ph motor 3 ph motor 3 ph motor Model 1 IM B5 IM B5 IM B5 IM B5 Size1 80 L 90 L 112 M 132 M Flange FF165 FF165 FF215 FF265 Nominal power rating2 P kW 1 1 2 2 4 7 5 Outside flange diameter D1 mm 200 200 250 300 Pitch circle diameter bolts D2 mm 165 165...

Страница 45: ...ps we recommend the use of a lifting device The motor must be fitted with the pump aligned horizontally Tilting the pump by over 5 can cause oil to flow from the gear chambers into the pump chamber All mating surfaces and centering surfaces must be clean undamaged and free of any paint residues Only air cooled motors must be used The fan on the side of the motor is also required to cool the pump h...

Страница 46: ...ghtly grease shaft journal and the bore in the coupling half Warm the coupling half to approximately 80 C and push respectively press it on to the shaft journal The bores in the coupling are manufactured to tolerance class H7 the shaft journals of the motor to tolerance class j6 resp k6 The axial distance L1 Fig 3 8 to the flange surface area M in Fig 3 5 needs to be maintained according to the ta...

Страница 47: ... Fig 3 6 has been correctly fitted in the pump s flange Insert the coupling star into the coupling half on the side of the pump Align the coupling halves and push the motor on making sure that the flange surfaces run in parallel Any tilt between motor axis and impeller axis can give rise to increased wear on the coupling star Fit washers and nuts and tighten according to the torque levels given in...

Страница 48: ...in pressure Electrically switch on the Roots pump together with the backing pump and cut it in upon reaching the cut in pressure The initial bypassing of the Roots pump serves to prevent condensation of vapours in the cold pump The permissible cut in pressure depends on the ratio between the Roots pump and the backing pump pmax pE keff 1 Since keff is not known in all cases the following equation ...

Страница 49: ...pump is not running During operation of the RUVAC check the oil level and the condition of the oil in the oil level glass and the oiler from time to time Correct as required see Sections 5 2 and 5 3 Normally the oil LVO 100 is light brown If it turns dark this is a sign of early ageing due to excessively high temperatures For ATEX operation check the oil levels daily Moreover check the coupling da...

Страница 50: ...oving it from the system it is advisable to seal the connecting flanges tightly Before removing pump from the vacuum system disconnect it from the mains supply Note any contamination affecting the pump Comply with all safety regulations Observe safety informations 0 2 Zum Transportieren und Lagern der Pumpe beachten Sie bitte die Hinweise in Abschnitt 2 4 4 Changing from Vertical to Horizontal Flo...

Страница 51: ...ers at and the oil for the shaft seal housing at the oiler If a pressure switch has been installed turn it so that it again points vertically upwards The valve in the pressure balance line of the RUVAC WAU is designed to work with both vertical and horizontal flow of the pump Fig 4 1 Changing the direction of flow 1 Oiler 2 Sealing screw 3 Sealing screw 4 Feet of the pump 5 Sealing screw 6 Sealing...

Страница 52: ...ation 52 GA03107_002_A4 09 2015 Oerlikon Leybold Vacuum Fig 4 2 Changing the oil 1 Oil drain screw for horizontal gas flow 2 Oil drain screw for vertical gas flow 3 Oil level glass 4 Oil fill screw 1 2 3 4 ...

Страница 53: ...y regu lations When shipping contaminated pumps which require approval by the author ities you must observe the applicable packaging and shipping regulations All maintenance and cleaning work described in this section must be car ried out only by suitably trained personnel Improper maintenance or repairs may affect the service life and perfor mance of the pump and cause problems when filing warran...

Страница 54: ... 51 558 based on a sample of oil If the neutrali sation value for LVO 100 exceeds 2 an oil exchange will be required Before removing the oil drain or oil fill plug always switch off the pump first and vent to atmospheric pressure When the pump has become warm during operation the casing and the oil temperature may exceed 80 ºC Leave the pump to cool down Always wear protective gloves also to pro t...

Страница 55: ... port must be sealed air tight In the presence of a vacuum the entry of air may cause oil containing gas to enter the pumping chamber via the impeller seals 5 3 Oil change Shaft Seal Housing Observe all safety information provided in Sections 0 3 to 0 5 and 5 1 The oil in the shaft seal housing should be changed every 3 000 operating hours Unscrew the oil drain screw under the shaft seal housing d...

Страница 56: ...intake line Remove the intake screen from the intake flange and rinse it using a suitable solvent Then thoroughly dry it with com pressed air If the intake screen is damaged replace it 5 6 Cleaning the Pumping Chamber Observe all safety information provided in Sections 0 3 to 0 5 and 5 1 Under dirty operating conditions contaminants may be deposited in the pumping chamber or on the impellers After...

Страница 57: ... Sections 0 3 to 0 5 and 5 1 Remove the screws and take off the cover with O ring Take out the spring Remove the valve disk with O rings If the bushing is damaged pull it out of the valve disk and replace it Clean all parts or replace them if necessary Reassemble in the reverse sequence When doing so check the O rings for leak tightness and replace if found faulty Finally a leak test should be run...

Страница 58: ... this case the oil flows from the shaft seal housing into the bearing spaces of the pump there by creating in the bearing spaces an unacceptably high oil level In such a case the pump must be switched off immediately and it must be repaired When the oil level in the oiler drops and when oil appears under the shaft seal housing it is likely that the outer shaft seal is malfunctioning If the oil los...

Страница 59: ...is purpose Take the O ring out of the flange of the coupling Use a puller to pull the bushing off from the shaft Take the O ring from the shaft Take the O ring from the housing Remove securing ring Pull out the shaft seal Take out snap ring and felt ring Take out shaft seal Remove securing ring It is strongly recommended always to exchange the shaft seals the bush ing and the felt ring against new...

Страница 60: ...g piece other half 4 O ring 18 Nuts 5 O ring 19 Screw 6 Securing ring 20 Screw 7 Shaft seal 21 Sealing screw WA WAU 1001 and 2001 only 8 Shaft seal housing 22 Securing ring 9 Securing ring WA WAU 251 and 501 only 23 Ball bearing 10 Shaft seal 24 Spacing disc 11 Felt ring 25 Wave washer 12 Snap ring 26 Adjusting disc 13 Key 27 Wave washer 14 Coupling piece one half 28 Adjusting disc ...

Страница 61: ... It is strongly recommended always to exchange the shaft seals the bush ing and the felt ring against new parts Clean all other parts and replace them as required Place adjusting disc wave washer adjusting disc wave washer and spac ing disc into the housing Drive bearing back in Fit securing ring Use shaft seal driver to drive the shaft seal down to the stop Fit felt ring and snap ring Use shaft s...

Страница 62: ...of Compressors Vacuum Pumps and Components Moreover you may download a suitable form from the Internet www oerlikon com leyboldvacuum Documents Download Documents Please attach this form to the pump or enclose it with the pump This Declaration of Contamination is required to meet the requirements of German Law and to protect our personnel Oerlikon Leybold Vacuum must return any pumps without a Dec...

Страница 63: ...g corrosive vapours in the case of much dust and cyclic ope ration weekly to quarter yearly If the neutralisation value of LVO 100 is 2 then an oil change will be required see Section 5 2 Oil change For normal operating conditions annu ally When pumping corrosive vapours in the case of much dust and cyclic ope ration weekly to quarter yearly See Section 5 2 Clean motor fan and cooling fins The cle...

Страница 64: ...ctive Valve of the pressure balance line does not open Install the pump at a suitable place or ensure a sufficient flow of cooling air Check the pressure levels within the system Check the pressure levels within the system Check system Clean pumping chamber Affix and connect the pump free of tension Change oil Drain oil down to the correct level Top up oil to the correct level Drain oil fill in co...

Страница 65: ... the shaft sealing rings Switch the pump off the draining out oil enters into the bearing chambers causing there an unacceptably high oil a level 5 8 Oil gets too dark Oil has been used up Pump gets too hot Exchange the oil See malfunction Pump gets too hot after remedy of the malfunction exchange the oil 5 2 Oil in the pump chamber Oil level is too high Oil is ejected from the system Pump is not ...

Страница 66: ...her details are available on request When sending us a pump observe the regulations given in Section 5 10 Oerlikon Leybold Vacuum Service Disposal of Waste Oil Owners of waste oil are entirely self responsible for proper disposal of this waste Waste oil from vacuum pumps must not be mixed with other substances or materials Waste oil from vacuum pumps Oerlikon Leybold Vacuum oils which are based on...

Страница 67: ...Notes 67 GA03107_002_A4 09 2015 Oerlikon Leybold Vacuum ...

Страница 68: ...68 GA03107_002_A4 09 2015 Oerlikon Leybold Vacuum EC Declaration of Conformity ...

Страница 69: ...69 GA03107_002_A4 09 2015 Oerlikon Leybold Vacuum EC Incorporation Declaration ...

Страница 70: ...ration attached the contractor is to be informed about any possible contamination of the compressor vacuum pump or component sent in for servicing Based on this information the contractor will be able to take the necessary safety precautions Preparation before dispatch Before shipping any parts the user must complete the following declaration and add it to the dispatch papers All dispatch instruct...

Страница 71: ...Index 71 GA03107_002_A4 09 2015 Oerlikon Leybold Vacuum ...

Страница 72: ... service vacuum zh oerlikon com Spain Oerlikon Leybold Vacuum Spain S A C Huelva 7 E 08940 Cornellà de Llobregat Barcelona Sales Phone 34 93 666 43 11 Fax 34 93 666 43 70 sales vacuum ba oerlikon com Service Phone 34 93 666 46 11 Fax 34 93 685 43 70 service vacuum ba oerlikon com America USA Oerlikon Leybold Vacuum USA Inc 5700 Mellon Road USA Export PA 15632 Phone 1 724 327 5700 Fax 1 724 325 357...

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