BUSCH R5 User Manual

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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

Instructions52 pages

Questions and Answers:

J
Jessica FranklinAug 27, 2025
Why is my BUSCH R5 fuming or expelling oil?
- E
  Elizabeth SavageAug 27, 2025
  If your BUSCH Water Pump is fuming or expelling oil droplets through the gas discharge, the exhaust filters may be partially clogged and need replacement. Also, ensure that the exhaust filter with o-ring is fitted properly. Check the float valve and the oil pipe for any clogging and remove it. If you have a version with an oil return valve and the machine runs for more than 10 hours without interruption, regularly shut down the machine for short periods of time.
A
Amy MillerAug 27, 2025
What causes a BUSCH Water Pump to run very noisily?
- K
  Kristi BenitezAug 27, 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. In either of the last two cases, contact Busch to repair the machine.
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.
C
courtney13Aug 28, 2025
What to do if the oil in my BUSCH R5 Water Pump is emulsified?
- J
  Jennifer AllenAug 28, 2025
  If the oil in your BUSCH Water Pump is emulsified, it might be because the machine sucked in liquids or significant amounts of vapour, in this case, contact Busch to flush the machine. You should also clean the filter of the gas ballast valve. Consider modifying the operational mode.
S
Susan WadeAug 28, 2025
What to do if my BUSCH Water Pump does not start?
- K
  Kathleen WardAug 28, 2025
  If your BUSCH Water Pump doesn't start, first check the power indicator light to ensure the unit is receiving power at the correct voltage by checking the power supply connection. If the power is on but the touchscreen or PLC isn't running, verify the 24V power supply. If the machine has reached a limit operating value, identify and solve the problem listed in the menu “HOME” > “WARNING/ALARM”. Also, the motor or the coupling could be defective and may need replacement.
M
Michael MartinezAug 29, 2025
What to do if my BUSCH R5 Water Pump does not reach the usual pressure on the suction connection?
- D
  Deanna YoungAug 29, 2025
  If your BUSCH Water Pump isn't reaching the usual suction pressure, it could be due to several reasons. Check the oil level and top it up if it's low. The inlet filter cartridge might be partially clogged and require replacement. If these steps don't resolve the issue, internal parts may be worn or damaged.
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.
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.
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.
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.

BUSCH R5 Specifications

General

Brand	BUSCH
Model	R5
Category	Water Pump
Language	English

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

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