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BUSCH R 5 KB 0040 D - User Manual

BUSCH R 5 KB 0040 D
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Installation and
Operating Instructions
Vacuum Pumps
R 5 KB/KC 0040 D
Busch Produktions GmbH
Schauinslandstr. 1
79689 Maulburg
Germany
0870152113 / 180301
/ Original instructions / Modifications reserved

Table of Contents

Questions and Answers

  • K
    Kelsey SmithAug 21, 2025
    What to do if my BUSCH Water Pump runs very hot?
    • D
      Daniel Wilson DDSAug 21, 2025
      If your BUSCH Water Pump runs very hot, several issues could be the cause. Ensure sufficient air ventilation by cleaning fan cowlings, wheels, ventilation grilles, and cooling fins, and ensure adequate ventilation in narrow spaces. Check that the ambient and inlet gas temperatures are within permitted limits. Other potential causes include a partially clogged exhaust filter (replace it), insufficient oil in the reservoir (top up oil), or oil burnt from overheating (flush the pump, replace the exhaust filter, and fill with new oil). Also, verify that the mains frequency or voltage is within the tolerance range and remove any partial clogging from filters, screens, or suction/discharge lines. Finally, ensure that suction/discharge lines aren't too long or have too small a diameter.
  • J
    jeffrey38Aug 23, 2025
    How to troubleshoot a BUSCH Water Pump that doesn't start?
    • B
      Benjamin YatesAug 23, 2025
      If your BUSCH Water Pump doesn't start, check the following: Ensure the drive motor is supplied with the correct voltage. Verify that the drive motor starter overload protection is appropriately set. Inspect the fuses. Ensure the connection cable is adequately sized to prevent voltage drop. Check for any blockages in the vacuum pump or drive motor. If the motor is blocked, disconnect it from the power supply, remove the fan cover, and try turning the motor by hand. If the pump is blocked, consider contacting Busch service. If the drive motor is defective, consider replacing it through Busch service.
  • S
    Samantha BrownAug 26, 2025
    Why does my BUSCH Water Pump expel oil droplets?
    • R
      Rachel HarrisonAug 26, 2025
      If your BUSCH Water Pump is expelling oil droplets through the gas discharge, several factors could be responsible. Check that the exhaust filter is properly seated and insert it correctly if necessary. Ensure the o-ring is present and undamaged; replace it if needed. Inspect the exhaust filter for cracks and replace it if any are found. If the exhaust filter is clogged with foreign matter, replace it. Also, inspect the oil return line for clogs or breaks. Clean any clogs or replace broken lines, and top up the oil if necessary.
  • D
    Donna HeathAug 30, 2025
    What causes a BUSCH Water Pump to be blocked?
    • M
      Mary BellAug 30, 2025
      A BUSCH Water Pump can be blocked due to several reasons. Solid foreign matter may have entered the pump. Corrosion from remaining condensate can also cause blockage. Additionally, running the pump in the wrong direction can lead to it being blocked. If any of these occur, consider contacting Busch service for repair. Ensure the suction line is equipped with a screen and, if necessary, add a filter.
  • L
    Leslie JacksonSep 1, 2025
    Why is the oil in my BUSCH Water Pump black?
    • A
      Amanda DaySep 1, 2025
      The oil in your BUSCH Water Pump may be black because the oil change intervals are too long or the oil was overheated. To resolve this, flush the vacuum pump, replace the exhaust filter, and fill with new oil. If the oil life is too short, consider using oil with better heat resistance or retrofitting cooling.
  • D
    Denise PatelSep 3, 2025
    What causes a BUSCH Water Pump to run very noisily?
    • R
      Robert StanleySep 3, 2025
      A BUSCH Water Pump may run very noisily due to defective bearings or stuck vanes. For defective bearings or stuck vanes, consider contacting Busch service for repair. Use only recommended oils and change them more frequently to prevent vanes from sticking.
  • D
    Dr. Yvette HarrisSep 6, 2025
    Why does the gas from my BUSCH Water Pump smell displeasing?
    • A
      Amanda MooreSep 6, 2025
      The gas conveyed by the BUSCH Water Pump may smell displeasing due to process components evaporating under vacuum or readily volatile components of the oil, such as additives, especially after an oil change. Check the process and consider using a different type of oil if applicable.
  • V
    Vanessa MillerSep 8, 2025
    Why is the oil in my BUSCH Water Pump watery and white?
    • D
      Daniel ThomasSep 8, 2025
      The oil in your BUSCH Water Pump may be watery and white because the pump aspirated water or significant amounts of humidity. To resolve this, flush the vacuum pump, replace the exhaust filter, and fill with new oil. Modify the operational mode. If your pump has a gas ballast with a sinter metal filter, clean the sinter metal filter using compressed air.
  • T
    Timothy BlackSep 12, 2025
    Why does the oil in my BUSCH Water Pump foam?
    • B
      Benjamin CarterSep 12, 2025
      The oil in your BUSCH Water Pump may foam due to the mixing of incompatible oils. To resolve this, flush the vacuum pump, replace the exhaust filter, and fill with new oil. Make sure the proper oil is used for topping up.
  • S
    Shane HunterSep 13, 2025
    Why is the oil in my BUSCH Water Pump resinous?
    • K
      kristinedyerSep 13, 2025
      The oil in your BUSCH Water Pump may be resinous and/or sticky due to an improper oil type being used, possibly from confusion, or topping up with incompatible oil. To resolve this, flush the vacuum pump, replace the exhaust filter, and fill with new oil. Make sure the proper oil is used for changing and topping up.

Summary

Preface

Technical Data

Provides key specifications like suction capacity, ultimate pressure, motor rating, and noise levels.

Product Description

Principle of Operation

Explains the rotating vane principle, rotor, cylinder, and vane mechanism of the vacuum pump.

Oil Circulation

Details how oil circulates through the pump for sealing, lubrication, and cooling via the oil separator.

Safety

Intended Use

Defines the vacuum pump's industrial application and handling by qualified personnel only.

Safety Notes

Explains the use of DANGER, WARNING, and CAUTION tags and general safety awareness.

Emission of Oil Mist

Discusses oil mist emissions, health risks, and the importance of genuine exhaust filters.

Noise Emission

Addresses noise levels, health risks, and the need for ear protection during operation.

Transport

Storage

Installation and Commissioning

Installation Prerequisites

Lists essential requirements before installing the pump, focusing on safety and cooling.

Mounting Position and Space

Specifies requirements for the mounting location, ambient conditions, and necessary clearance.

Installation Procedures

Suction Connection

Details proper connection of the suction line, including filter requirements and pipe stress considerations.

Gas Discharge

Outlines guidelines for the discharge line, stressing unobstructed flow and static charge prevention.

Electrical Connection; Controls

Covers compliance with directives, motor power supply, and overload protection.

Connecting Electrically and Filling Oil

Connecting Electrically

Details electrical connection procedures, including safety warnings and wiring diagrams for motor connection.

Filling Oil

Provides instructions on how to fill the vacuum pump with oil, including safety precautions and level checks.

Connecting Lines;Pipes

Covers connecting suction and discharge lines, including shut-off valves and hose requirements.

Operation Notes

Use

Defines the vacuum pump's industrial application and handling by qualified personnel only.

Conveying Condensable Vapours

Explains how to operate the pump with condensable vapours, requiring specific setup.

Maintenance

Maintenance Schedule

Provides a schedule for daily, weekly, monthly, and annual maintenance tasks.

Checking the Oil

Details how to check the oil level and colour, and what to do if the level is low or high.

Oil Life

Discusses factors affecting oil life and recommended change intervals.

Oil Change

Draining Used Oil

Step-by-step instructions for safely draining used oil from the vacuum pump.

Flushing the Vacuum Pump

Procedures for flushing the pump if deposits are suspected, using a flushing agent.

Filling in Fresh Oil

Guidance on refilling the vacuum pump with new oil, including level checks and safety.

Exhaust Filter

Checks during Operation

Methods to check exhaust filter condition during pump operation using a pressure gauge or motor current.

Assessment

How to assess filter condition based on pressure gauge readings or motor current, indicating replacement needs.

Change of the Exhaust Filter

Details the procedure for replacing the exhaust filter, including safety warnings and the use of genuine parts.

Overhaul

Removal from Service

Instructions for safely preparing the vacuum pump for temporary removal from service.

Recommissioning

Instructions for restarting a vacuum pump after a period of standstill, including manual rotation checks.

Dismantling and Disposal

Covers safety precautions and procedures for dismantling and disposing of the vacuum pump and its components.

Troubleshooting

Vacuum Pump Pressure Issues

Addresses problems with reaching pressure, high motor current, and slow evacuation.

Mechanical and Operational Problems

Covers issues like blocked vanes, pump blockage, noisy operation, and starting failures.

Temperature and Oil Issues

Discusses overheating, oil expulsion, and oil condition problems like black, watery, or foaming oil.

Exploded View

Spare Parts

Spare Parts Kits

Accessories

Oil

EC-Declaration of Conformity

BUSCH R 5 KB 0040 D Specifications

General IconGeneral
TypeRotary Vane Vacuum Pump
Pumping Speed40 m³/h
Ultimate Vacuum0.1 mbar
Motor Power1.5 kW
Weight71 kg
Frequency50/60 Hz
Operating Temperature Range40 °C

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