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BUSCH R5 - User Manual

BUSCH R5
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Instruction Manual
R5
Oil-Lubricated Rotary Vane Vacuum Pumps
RA 0760 A PLUS
0870211676/-0004_en / Original instructions / Modifications reserved 10/02/2021
Ateliers Busch S.A.
Zone industrielle, 2906 Chevenez
Switzerland

Table of Contents

Other manuals for BUSCH R5

Preview: Instructions
Instructions52 pages

Questions and Answers

  • S
    Scott StanleySep 18, 2025
    Why does my BUSCH R5 Water Pump start, but labours or runs noisily?
    • B
      brittanyshafferSep 18, 2025
      If your BUSCH Water Pump starts but runs noisily, check for loose connections in the drive motor terminal box and tighten or replace them. For three-phase motors, ensure all coils are properly connected according to the connection diagram. If it's been standing still for weeks or months, let it run warm with the inlet closed. If the operating fluid hasn't been changed for a long time, perform a fluid change, including flushing and filter replacement. For foreign objects, broken vanes or stuck bearings, contact Busch service to repair the vacuum pump.
  • M
    Michelle GonzalezSep 16, 2025
    What to do if BUSCH Water Pump does not start?
    • S
      scott60Sep 16, 2025
      If your BUSCH Water Pump isn't starting, first ensure the drive motor is receiving the correct voltage. Check if the drive motor starter overload protection is appropriately set, adjusting if necessary, especially in high ambient temperatures. Inspect the fuses and replace any that have blown. If it's an alternating current motor version, contact Busch service to repair the drive motor capacitor if it's defective. Ensure the connection cable is adequately sized to prevent voltage drops. If the pump or motor is blocked, disconnect it from power, remove the fan cover, and try turning the motor by hand. If the pump is blocked, contact Busch service for repair. For a defective drive motor, contact Busch service to replace it.
  • C
    Carol GonzalezSep 16, 2025
    Why is my BUSCH R5 running very hot?
    • J
      Jordan CoxSep 16, 2025
      If your BUSCH Water Pump is running very hot, ensure there is sufficient air ventilation around the unit. Clean the fan cowling, fan wheel, ventilation grille, and cooling fins. If the pump is in a narrow space, ensure adequate ventilation. For pumps with an oil cooler, clean the spaces in the finned tube. Make sure the ambient and inlet gas temperatures are within permitted ranges. Replace a partially clogged exhaust filter. Top up the operating fluid if the level is low. Ensure the mains frequency and voltage are within the tolerance range, providing a more stable power supply if needed. Remove any cloggings from filters, screens, suction, discharge, or pressure lines. If the suction, discharge, or pressure line is too long with a small diameter, use a larger diameter.
  • S
    Samuel JohnstonSep 16, 2025
    How to troubleshoot if BUSCH R5 Water Pump does not reach the usual pressure?
    • S
      Stephanie JohnstonSep 16, 2025
      If your BUSCH Water Pump isn't reaching its usual pressure, start by checking hose and pipe connections for leaks. It's also common for contaminated operating fluid to be the cause, so consider changing it. Ensure there's enough operating fluid in the reservoir and that the exhaust filter isn't clogged, replacing them if necessary. Clean the screen on the suction connection, and if you have a filter installed there, clean or replace that too. Clear any blockages in the suction, discharge, or pressure lines, and if these lines are too long or narrow, replace them with larger diameter ones. Finally, check the inlet non-return valve for blockages and clean if needed. For issues with the oil tubing, shaft seal, vanes, radial clearance, or internal parts, contact Busch service for repair.
  • S
    Shannon WallaceAug 27, 2025
    Why the oil in my BUSCH R5 is black?
    • M
      Michael GarciaAug 27, 2025
      If the oil in your BUSCH Water Pump is black, it could be due to oil change intervals being too long. In this case, contact Busch to flush the machine. Another possibility is a defective inlet filter, which should be replaced. Also, the machine might be running too hot.
  • R
    richardstimothyAug 31, 2025
    What causes an electrical cabinet temperature alarm in my BUSCH R5?
    • H
      Heather BakerAug 31, 2025
      If you're getting an electrical cabinet temperature alarm on your BUSCH Water Pump, it means the temperature in the control unit is too high. This can be due to insufficient cooling, so remove any dust and dirt from the machine and check the heat exchanger. It could also be due to a high ambient temperature, ensure that the ambient temperature is within the permitted range.
  • J
    Joshua Washington MDAug 30, 2025
    Why is the oil in my BUSCH R5 black?
    • C
      Connie GarciaAug 30, 2025
      If the oil in your BUSCH Water Pump is black, it could be due to oil change intervals being too long, in this case you should drain the old oil and fill in new oil. Another reason could be that the machine runs too hot.
  • W
    wardvictoriaAug 30, 2025
    Why does my BUSCH R5 Water Pump fume or expel oil droplets through the gas discharge?
    • G
      gomezvanessaAug 30, 2025
      If your BUSCH Water Pump is fuming or expelling oil droplets, the exhaust filters may be partially clogged and require replacement. Also, ensure the exhaust filter with o-ring is correctly positioned. Another potential cause is a malfunctioning float valve; check it and the oil return line.
  • B
    Brenda FrancoAug 30, 2025
    Why is my BUSCH R5 Water Pump running very noisily?
    • C
      Connie Sanchez DDSAug 30, 2025
      If your BUSCH Water Pump is running very noisily, it could be due to a worn coupling, which would need to be replaced. Alternatively, the vanes could be stuck, or the bearings could be defective.
  • A
    Amy IbarraAug 29, 2025
    Why is my BUSCH R5 Water Pump having abnormal oil consumption?
    • T
      Tiffany AllenAug 29, 2025
      If you notice abnormal oil consumption in your BUSCH Water Pump, there are a few potential causes. Check for oil leaks and replace seals if necessary. Also, the float valve may not be working correctly, inspect the float valve and the oil return line. Lastly, ensure the machine operates under vacuum and not at atmospheric pressure for extended periods.

Summary

Safety

Product Description

Standard Features

User Interface Functions

Installation

Installation Conditions

Specifies environmental and spatial requirements for proper installation.

Connecting Lines and Pipes

Electrical Connection

Details on safe and correct electrical hook-up for the machine.

Commissioning

Prerequisites Before Use

Configuration

Start Up

In Operation

Control Mode

How to select and manage operating modes like Local, Remote, Manual, Auto.

Operating Mode

Details on Speed Control and Pressure Control operating modes.

Monitoring

Dysfunction and Alarms

Information on warning and alarm signals and their causes.

Stop the Machine

Maintenance

Maintenance Schedule

Recommended maintenance tasks and intervals for normal/harsh use.

Oil and Oil Filter Change

Overhaul

Troubleshooting

Troubleshooting Guide

Provides solutions for common problems and error messages.

Technical Data

BUSCH R5 Specifications

General IconGeneral
BrandBUSCH
ModelR5
CategoryWater Pump
LanguageEnglish

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