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BUSCH R5 RA 0165 D - User Manual

BUSCH R5 RA 0165 D
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R5
Oil-Lubricated Rotary Vane Vacuum Pumps
RA 0165 D, RA 0205 D, RA 0255 D, RA 0305 D
Instruction Manual
0870524629 | D0009_en-US | Original instructions 5/31/2022

Questions and Answers

  • Z
    zachary96Aug 18, 2025
    What to do if my BUSCH R5 RA 0165 D Water Pump does not start?
    • J
      Jeremy CollinsAug 18, 2025
      If your BUSCH Water Pump doesn't start, it could be due to several reasons: * The motor might not be getting the correct voltage. In this case, check the power supply. * The motor itself may be defective, requiring a replacement. * The coupling (CPL) could be defective and needs replacement.
  • S
    Spencer JonesAug 20, 2025
    Why is my BUSCH Water Pump running too hot?
    • I
      iburgessAug 20, 2025
      If your BUSCH Water Pump is running too hot, consider these potential causes: * There might be insufficient cooling. Try removing dust and dirt from the machine and check the cooling fan. * The ambient temperature could be too high. Ensure you are operating within the permitted ambient temperature range. * The oil level might be too low, requiring you to top up the oil. * The exhaust filters (EF) could be partially clogged, in which case you should replace them.
  • C
    Christian BeckAug 23, 2025
    What to do if my BUSCH Water Pump is running very noisily?
    • A
      Ann JohnstonAug 23, 2025
      If your BUSCH Water Pump is running very noisily, it could be due to: * A worn coupling (CPL). Replace the coupling (CPL).
  • M
    Mr. Larry ScottAug 25, 2025
    Why is my BUSCH R5 RA 0165 D not reaching the usual pressure?
    • O
      odavisAug 26, 2025
      If your BUSCH Water Pump isn't reaching the usual pressure, here are some possible causes: * The oil level may be too low. Top up the oil. * The inlet screen (IS) might be partially clogged. Clean the inlet screen (IS). * If equipped, the inlet filter cartridge (optional) could be partially clogged. Replace the inlet filter cartridge.
  • A
    Ariel ReynoldsAug 27, 2025
    Why does my BUSCH R5 RA 0165 D have abnormal oil consumption?
    • A
      Amber HuntAug 27, 2025
      Abnormal oil consumption in your BUSCH Water Pump can be attributed to: * Oil leaks. * The machine runs at atmospheric pressure for a long period. Make sure that the machine operates under vacuum.
  • R
    ronaldrogersAug 30, 2025
    Why is my BUSCH R5 RA 0165 D fuming or expelling oil droplets?
    • G
      gatesbruceAug 30, 2025
      If your BUSCH Water Pump is fuming or expelling oil droplets, consider the following: * The exhaust filters (EF) might be partially clogged. Replace the exhaust filters (EF). * An exhaust filter (EF) with o-ring might not be fitted properly. Ensure the correct position of the exhaust filters (EF) and the o-rings.
  • J
    John ScottSep 1, 2025
    Why is the oil in my BUSCH R5 RA 0165 D black?
    • P
      perkinsbrookeSep 1, 2025
      The oil in your BUSCH Water Pump might be black due to: * Oil change intervals being too long. * The inlet filter (optional) being defective. Replace the inlet filter.
  • R
    Richard SpencerSep 3, 2025
    Why is the oil emulsified in my BUSCH R5 RA 0165 D?
    • G
      George BryantSep 4, 2025
      The oil in your BUSCH Water Pump might be emulsified because the machine sucked in liquids or significant amounts of vapour.
  • A
    Amber LongSep 6, 2025
    Why my BUSCH Water Pump does not start?
    • J
      John MccannSep 6, 2025
      If your BUSCH Water Pump isn't starting, it could be due to a few reasons. First, check the power supply to ensure the motor is receiving the correct voltage. If the power is correct, the motor itself might be defective and need replacement. Another potential issue is a defective coupling (CPL), which would also require replacement.
  • A
    Ashley HicksSep 8, 2025
    What to do if my BUSCH R5 RA 0165 D doesn't reach usual pressure?
    • A
      Ashley CopelandSep 8, 2025
      If your BUSCH Water Pump is not reaching the usual pressure on the suction connection, start by checking the oil level and top it up if it's low. Also, the inlet screen (IS) might be partially clogged, so clean it. If you have an optional inlet filter cartridge, it could be partially clogged and need replacement. For internal parts that are worn or damaged, contact Busch for repair.

Summary

Safety

Product Description

2.1 Operating Principle

Explains how the rotary vane vacuum pump operates and its oil system.

2.2 Intended Use

Details the machine's purpose and limitations for industrial applications.

2.3 Start Controls

Describes the machine's control mechanism and optional starter units.

2.4.1 Gas Ballast Valve

Mixes process gas with ambient air to counteract vapor condensation.

2.4.2 Inlet Filter

Protects the machine from dust and solids in the process gas.

2.4.3 Water-oil Heat Exchanger

Used for unfavorable ambient conditions to cool the oil.

2.4.4 Temperature Switch Oil

Monitors the oil temperature with two switch points.

2.4.5 Resistance Thermometer

Monitors the oil temperature and signals warning/trip points.

2.4.6 Level Switch

Monitors the oil level and stops the machine if too low.

2.4.7 Pressure Switch

Monitors oil separator pressure and stops the machine if a threshold is reached.

2.4.8 Pressure Transmitter

Monitors oil separator pressure and signals warning/trip levels.

Transport

Storage

Installation

5.1 Installation Conditions

Specifies the required environmental and physical conditions for proper installation.

5.2 Connecting Lines; Pipes

Details connection requirements for suction and discharge lines.

5.2.1 Suction Connection

Details the connection requirements and safety precautions for the suction port.

5.2.2 Discharge Connection

Provides guidelines for connecting the discharge port and gas flow.

5.2.3 Cooling Water Connection (Optional)

Describes the connection and requirements for the optional water-oil heat exchanger.

5.3 Filling Oil

Instructions for filling the machine with the correct type and amount of oil.

5.4 Fitting the Coupling

Procedure for fitting the coupling between the motor and the pump shaft.

Electrical Connection

6.1 Machine delivered with a Control Box (Option)

Explains electrical connection for machines equipped with an optional control box.

6.2 Machine delivered without Control Box or Variable Speed Drive (VSD)

Details electrical connection for machines without a control box or VSD.

6.3 Machine delivered with a Variable Speed Drive (Option)

Instructions for electrical connection when a variable speed drive is included.

6.4 Wiring Diagram Three-Phase Motor

Provides wiring diagrams for three-phase motors in various configurations.

6.5.1 Wiring Diagram Level Switch (Optional)

Wiring diagram for connecting an optional level switch for monitoring.

6.5.2 Wiring Diagram Temperature Switch Oil (Optional)

Wiring diagram for connecting an optional oil temperature switch.

6.5.3 Wiring Diagram Resistance Thermometer (Optional)

Wiring diagram for connecting an optional resistance thermometer.

6.5.4 Wiring Diagram Pressure Switch (Optional)

Wiring diagram for connecting an optional pressure switch.

6.5.5 Wiring Diagram Pressure Transmitter (Optional)

Wiring diagram for connecting an optional pressure transmitter.

6.5.6 Wiring Diagram Pressure Switch of Water-oil Heat Exchanger (Optional)

Wiring diagram for connecting water-oil heat exchanger pressure switch.

Commissioning

7.1 Conveying Condensable Vapors

Procedure for commissioning the machine when conveying condensable vapors.

Maintenance

8.1 Maintenance Schedule

Outlines the recommended maintenance tasks and intervals for normal and harsh applications.

8.2 Oil Level Inspection

Procedure for checking the oil level in the vacuum pump.

8.3 Oil and Oil Filter Change

Instructions for changing the oil and the oil filter.

8.4 Exhaust Filter Change

Detailed steps for replacing the exhaust filters.

8.5 Air Heat Exchanger Cleaning

Procedure for cleaning the air heat exchanger.

Overhaul

Decommissioning

10.1 Dismantling and Disposal

Steps for safely dismantling and disposing of the machine.

Spare Parts

Troubleshooting

Technical Data

Oil

EU Declaration of Conformity

UK Declaration of Conformity

BUSCH R5 RA 0165 D Specifications

General IconGeneral
BrandBUSCH
ModelR5 RA 0165 D
CategoryWater Pump
LanguageEnglish

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