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Instruction Manual
R5
Oil-Lubricated Rotary Vane Vacuum Pumps
RA 0165 D, RA 0205 D, RA 0255 D, RA 0305 D
0870524629/D0008_en / Original instructions / Modifications reserved
16/09/2021

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Summary of Contents for BUSCH R5 RA 0165 D

  • Page 1 Instruction Manual Oil-Lubricated Rotary Vane Vacuum Pumps RA 0165 D, RA 0205 D, RA 0255 D, RA 0305 D 0870524629/D0008_en / Original instructions / Modifications reserved 16/09/2021...
  • Page 2: Table Of Contents

    Table of Contents Table of Contents 1 Safety ............................4 2 Product Description ........................5 2.1 Operating Principle ......................6 2.2 Application........................6 2.3 Start Controls ........................6 2.4 Optional Accessories ......................6 2.4.1 Gas Ballast Valve ....................6 2.4.2 Inlet Filter ......................6 2.4.3 Water-oil Heat Exchanger ..................
  • Page 3 Table of Contents 13 Oil ............................28 14 EU Declaration of Conformity....................29 Instruction Manual R5 RA 0165-0305 D_EN_en...
  • Page 4: Safety

    Safety Prior to handling the machine, this instruction manual should be read and understood. If anything needs to be clarified, please contact your Busch representative. Read this manual carefully before use and keep for future reference. This instruction manual remains valid as long as the customer does not change anything on the product.
  • Page 5: Product Description

    Product Description | 2 Product Description Suction connection Motor terminal box Discharge connection Directional arrow Oil fill plug Exhaust filter Oil sight glass Nameplate Oil drain plug Oil filter Eye bolt Axial fan Gas ballast valve Oil separator Air-oil heat exchanger Filter material NOTE Technical term.
  • Page 6: Operating Principle

    Conveying of other media leads to an increased thermal and/or mechanical load on the machine and is permissible only after a consultation with Busch. The machine is intended for the placement in a non-potentially explosive environment. The machine is designed for indoor installation, in case of outdoor installation, ask your Busch representative in order to take specific precautions.
  • Page 7: Water-Oil Heat Exchanger

    Product Description | 2 2.4.3 Water-oil Heat Exchanger In case of unfavourable ambient conditions a water-oil heat exchanger can be provided. See Cooling Water Connection (Optional) [► 11]. 2.4.4 Temperature Switch "Oil" The temperature switch monitors the oil temperature of the machine. It has two switch points.
  • Page 8: Transport

    3 | Transport Transport WARNING Suspended load. Risk of severe injury! • Do not walk, stand or work under suspended loads. WARNING Lifting the machine using the motor eye bolt. Risk of severe injury! • Do not lift the machine using the eye bolt fitted to the motor. Only lift the machine as shown.
  • Page 9: Storage

    Storage | 4 Storage • Seal all apertures with adhesive tape or reuse provided caps. Version with water-oil heat exchanger: • Make sure that the cooling water has been completely removed, see Decommis- sioning [► 24]. If the machine is to be stored for more than 3 months: •...
  • Page 10: Connecting Lines / Pipes

    Depending on the specific order, other connection dimensions may apply. If the machine is used as part of a vacuum system: • Busch recommends the installation of an isolation valve in order to prevent the oil from flowing back to the vacuum system.
  • Page 11: Discharge Connection

    Installation | 5 5.2.2 Discharge Connection CAUTION The discharge gas contains small quantities of oil. Risk to health! If air is discharged into rooms where persons are present: • Make sure that sufficient ventilation is provided. Connection size(s): – G2 Depending on the specific order, other connection dimensions may apply.
  • Page 12: Filling Oil

    5.3 Filling Oil NOTICE Use of an inappropriate oil. Risk of premature failure! Loss of efficiency! • Only use an oil type which has previously been approved and recommended by Busch. 12 / 32 Instruction Manual R5 RA 0165-0305 D_EN_en...
  • Page 13: Fitting The Coupling

    Installation | 5 For oil type and oil capacity see Technical Data [► 28] and Oil [► 28]. 1x o-ring, part no.: 0486 000 513 Check oil level 5.4 Fitting the Coupling Coupling hub (machine side) Coupling sleeve Coupling hub (motor side) Radial screw Max.
  • Page 14: Electrical Connection

    • Busch recommends installing a D-curve circuit breaker. • Make sure that the motor of the machine will not be affected by electric or electro- magnetic disturbance from the mains; if necessary seek advice from Busch. • Connect the protective earth conductor.
  • Page 15 Installation | 5 Delta connection (low voltage): Star connection (high voltage): Double star connection, multi-voltage Star connection, multi-voltage motor motor with 9 pins (low voltage): with 9 pins (high voltage): Double star connection, multi-voltage Star connection, multi-voltage motor motor with 12 pins (low voltage): with 12 pins (high voltage): Delta connection, multi-voltage motor with 12 pins (middle voltage):...
  • Page 16: Electrical Connection Of The Monitoring Devices

    5 | Installation 5.6 Electrical Connection of the Monitoring Devices NOTE In order to prevent potential nuisance alarms, Busch recommends that the control system is configured with a time delay of at least 20 seconds. 5.6.1 Wiring Diagram Level Switch (Optional) Part no.: 0652 569 236...
  • Page 17: Wiring Diagram Pressure Transmitter (Optional)

    Commissioning | 6 5.6.5 Wiring Diagram Pressure Transmitter (Optional) Part no.: 0653 204 444 Connector: M12x1, 4-pin Electrical data: U = 10 ... 35 VDC 4 ... 20 mA ► 0 ... 1.6 bar (abs.) 1 = Brown ; 3 = Blue Warning signal: Trip signal: = 0.4 bar (overpressure)
  • Page 18: Conveying Condensable Vapours

    6.1 Conveying Condensable Vapours Water vapour within the gas flow is tolerated within certain limits. The conveyance of other vapours shall be agreed upon with Busch. If condensable vapours are to be conveyed: • Close the isolation • Open the isolation...
  • Page 19: Maintenance

    Risk of injuries! Risk of premature failure and loss of efficiency! • Respect the maintenance intervals or ask your Busch representative for service. • Shut down the machine and lock against inadvertent start up. • Vent the connected lines to atmospheric pressure.
  • Page 20: Oil Level Inspection

    (WHE): • Check and/or clean the water cooling sys- tem. • Contact Busch for an inspection. Every 5 years If required, overhaul the machine. * Service interval for synthetic oil, shorten the interval when using mineral oil, contact Busch Service 7.2 Oil Level Inspection...
  • Page 21 Maintenance | 7 1x o-ring, part no.: 0486 000 505 Drain pan Busch genuine spare parts 1x oil filter (OF), part no.: 0531 000 001 Oil filter wrench Instruction Manual R5 RA 0165-0305 D_EN_en 21 / 32...
  • Page 22: Exhaust Filter Change

    7 | Maintenance For oil type and oil capacity see Technical Data [► 28] and Oil [► 28]. 1x o-ring, part no.: 0486 000 513 Check oil level 7.4 Exhaust Filter Change 13 mm wrench Remove filter material (FM) 22 / 32 Instruction Manual R5 RA 0165-0305 D_EN_en...
  • Page 23: Air Heat Exchanger Cleaning

    Maintenance | 7 1x flat gasket Busch genuine spare parts part no.: 0481 523 005 4x exhaust filter (EF) part no.: 0532 140 159 13 mm wrench Max. admissible O-ring torque: 21 Nm Check 4x o-ring 1x filter material (FM) part no.: 0537 524 514...
  • Page 24: Overhaul

    • Decontaminate the machine as much as possible and state the contamination sta- tus in a ‘Declaration of Contamination’. Busch will only accept machines that come with a completely filled in and legally binding signed ‘Declaration of Contamination’ (form downloadable from www.buschvacuum.com).
  • Page 25: Spare Parts

    Use of non-Busch genuine spare parts. Risk of premature failure! Loss of efficiency! • The exclusive use of Busch genuine spare parts and consumables is recommended for the correct functioning of the machine and to validate the warranty. Spare parts kit Description Part no.
  • Page 26 (EF) and the o-rings. The float valve (FV) does • Check float valve and the not work properly. oil return line, repair it if necessary (contact Busch). Abnormal oil consumption. Oil leaks. • Replace seals (contact Busch). The float valve (FV) does •...
  • Page 27 Troubleshooting | 11 The oil is emulsified. The machine sucked in liq- • Flush the machine (con- uids or significant amounts tact Busch). of vapour. • Clean the filter of the gas ballast valve (GB). • Modify the operational mode (see Conveying Condensable Vapours [► 18]).
  • Page 28: Technical Data

    Switch point / Trip signal Oil temperature [°C] In case of unfavourable ambient temperature, other oil viscosities may be used. Please consult your Busch repre- sentative for more details. To know which oil has been filled in the machine, please refer to the nameplate (NP).
  • Page 29 Ateliers Busch S.A. Zone Industrielle CH-2906 Chevenez declares that the machine(s) R5 RA 0165 D; RA 0205 D; RA 0255 D; RA 0305 D has (have) been manufactured in accordance with the European Directives: – ‘Machinery’ 2006/42/EC – ‘Electromagnetic Compatibility’ 2014/30/EU –...
  • Page 30 Note...
  • Page 31 Note...
  • Page 32 Busch Vacuum Solutions We shape vacuum for you. Argentina Denmark Malaysia South Africa info@busch.com.ar info@busch.dk busch@busch.com.my info@busch.co.za Australia Finland Mexico Spain sales@busch.com.au info@busch.fi info@busch.com.mx contacto@buschiberica.es Austria France Netherlands Sweden busch@busch.at busch@busch.fr info@busch.nl info@busch.se Bangladesh Germany New Zealand Switzerland sales@busch.com.bd info@busch.de sales@busch.co.nz...

This manual is also suitable for:

R5 ra 0205 dR5 ra 0255 dR5 ra 0305 d

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