Retsch BB 500 User manual

© Retsch GmbH, 42781 Haan, Retsch-Allee 1-5, Germany | 07.02.2023 Version 0001
Manual
Jaw Crusher BB 500
Translation

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Copyright
© Copyright by
Retsch GmbH
Retsch-Allee 1-5
42781 Haan
Germany

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Table of Contents
1Notes on the manual............................................................................................................................. 5
1.1 Disclaimer.......................................................................................................................................... 5
1.2 Copyright............................................................................................................................................ 5
1.3 Repairs............................................................................................................................................... 6
2Safety...................................................................................................................................................... 7
2.1 Explanations of the Safety Instructions ............................................................................................. 8
2.2 General Safety Instructions ............................................................................................................... 9
2.3 Protective Equipment....................................................................................................................... 10
2.4 Intended use.................................................................................................................................... 10
2.5 Improper use.................................................................................................................................... 10
2.6 Confirmation Form for the Managing Operator................................................................................ 11
3Technical Data..................................................................................................................................... 12
3.1 Use of the Device for the Intended Purpose.................................................................................... 12
3.2 Principle of Operation ...................................................................................................................... 12
3.3 Dimensions and Weight................................................................................................................... 12
3.4 Required Floor Space...................................................................................................................... 13
3.5 Installation drawing.......................................................................................................................... 14
3.6 Rated Power.................................................................................................................................... 15
3.7 Degree of Protection........................................................................................................................ 15
3.8 Emissions......................................................................................................................................... 15
3.9 Electromagnetic Compatibility (EMC).............................................................................................. 16
3.10 Feed Grain Size............................................................................................................................... 16
3.11 Degree of hardness of the sample material..................................................................................... 16
3.12 Gap width......................................................................................................................................... 16
4Packaging, Transport and Installation .............................................................................................. 17
4.1 Packaging........................................................................................................................................ 17
4.2 Transport.......................................................................................................................................... 17
4.3 Temperature Fluctuations and Condensation ................................................................................. 19
4.4 Conditions for the Installation Site................................................................................................... 19
4.5 Electrical Connection....................................................................................................................... 20
4.6 Type Plate Description..................................................................................................................... 21
5Views of the device ............................................................................................................................. 22
5.1 Front................................................................................................................................................. 22
5.2 Side view.......................................................................................................................................... 23
5.3 View of the control unit .................................................................................................................... 23
5.4 View of the threaded spindle ........................................................................................................... 24
6First Commissioning........................................................................................................................... 25
6.1 Installation of the Device.................................................................................................................. 26
6.2 Establishing the power supply......................................................................................................... 26
7Operating the Device .......................................................................................................................... 27
7.1 Switching On / Off............................................................................................................................ 28
7.2 Adjusting the gap width.................................................................................................................... 29
7.3 Setting the zero position.................................................................................................................. 30
7.4 Adding sample material................................................................................................................... 31
7.5 Removing sample material after grinding........................................................................................ 32
8Cleaning, Wear and Maintenance ...................................................................................................... 34
8.1 Cleaning........................................................................................................................................... 34
8.1.1 Cleaning the machine housing .................................................................................................... 35
8.1.2 Cleaning the feed hopper and grinding chamber ........................................................................ 35
8.2 Wear ................................................................................................................................................ 36
8.2.1 Replacing the breaking jaws........................................................................................................ 36
8.2.2 Replacing the wearing plates....................................................................................................... 39

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8.3 Maintenance .................................................................................................................................... 40
8.3.1 Lubricating the device.................................................................................................................. 40
8.3.2 Checking the limit switch ............................................................................................................. 43
8.4 Return for Service and Maintenance............................................................................................... 44
9Accessories ......................................................................................................................................... 45
10 Disposal................................................................................................................................................ 46
11 Index ..................................................................................................................................................... 47

Notes on the manual
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1 Notes on the manual
This manual provides technical guidelines for the safe operation of the device. Read this
manual through carefully before installing, putting into service and operating the device.
Reading and understanding this manual is essential for handling the device safely and as
intended.
This manual does not contain any repair instructions. Please contact your supplier or contact
Retsch GmbH directly if anything is unclear or you have questions about these guidelines or the
device, or in the case of any faults or necessary repairs.
You can find further information about your device at http://www.retsch.com on the pages for
the specific device concerned.
Amendment status:
The document amendment 0001 of the "Jaw Crusher BB 500" manual has been prepared in
accordance with the Machinery Directive 2006/42/EC.
1.1 Disclaimer
This manual has been prepared with great care. We reserve the right to make technical
changes. We assume no liability for personal injuries resulting from the failure to follow the
safety information and warnings in this manual. No liability will be assumed for damage to
property resulting from the failure to follow the information in this manual.
1.2 Copyright
This document or parts of it or its content may not be reproduced, distributed, edited or copied
in any form without prior written permission of Retsch GmbH. Damage claims shall be asserted
in the case of infringements.

Notes on the manual
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1.3 Repairs
This manual does not contain any repair instructions. For safety reasons, repairs may only be
carried out by Retsch GmbH or an authorised representative or by qualified service technicians.
In case of repair, please inform…
…the Retsch GmbH representative in your country,
…your supplier, or
…Retsch GmbH directly.
Service address:

Safety
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2 Safety
Safety Officer
The operating company itself must ensure the following with respect to persons authorised to
work on the device:
−that they have read and understood all regulations contained in the chapter on safety;
−that they are aware before they start work of all instructions and regulations for the target
group related to the work;
−that they have easy access to the manual for this device at all times;
−that they have been familiarised with the safe and correct handling of the device before
starting work on it, by means of a verbal introduction by a competent person and/or using
this manual.
Improper operation can lead to personal injuries. The operating company itself is
responsible for its safety and that of its staff. The operating company itself must ensure that no
unauthorised persons have access to the device.
Target group
All those operating, cleaning or working with or on the device.
This device is a modern, powerful product from Retsch GmbH and has been developed in line
with the state-of-the art. The device is safe to use when operated correctly and when following
the instructions in this manual.
People under the influence of intoxicating substances (medications, drugs, alcohol) or who
are overtired may not operate the device or work on the device.

Safety
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2.1 Explanations of the Safety Instructions
The following warnings in this manual warn of possible risks and damage:
DANGER
D1.0000
Risk of fatal injuries
Source of danger
−Possible consequences if the danger is ignored.
•Instructions and information on how to avoid the risk.
Fatal or serious injuries may result if the “Danger” sign is disregarded. There is a very high
risk of a life-threatening accident or lasting personal injury. The signal word DANGER is
additionally used in the running text or in instructions.
WARNING
W1.0000
Risk of life-threatening or serious injuries
Source of danger
−Possible consequences if the danger is ignored.
•Instructions and information on how to avoid the risk.
Life-threatening or serious injuries may result if the “Warning” sign is disregarded. There is
an increased risk of a serious accident or of a possibly fatal personal injury. The signal word
WARNING is additionally used in the running text or in instructions.
CAUTION
C1.0000
Risk of injuries
Source of danger
−Possible consequences if the danger is ignored.
•Instructions and information on how to avoid the risk.
Average to slight injuries may result if the “Caution” sign is disregarded. There is an average
or slight risk of an accident or personal injury. The signal word CAUTION is additionally
used in the running text or in instructions.

Safety
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NOTICE
N1.0000
Type of damage to property
Source of the damage to property
−Possible consequences if the information is ignored.
•Instructions and information on how to avoid the damage to
property.
Damage to property may result if the information is disregarded. The signal word NOTICE is
additionally used in the running text or in instructions.
2.2 General Safety Instructions
CAUTION
C2.0002
Risk of injury
Lack of knowledge of the manual
−The manual contains all safety-related information. Disregarding the
manual can therefore lead to injuries.
•Read the manual carefully before operating the device.
CAUTION
C3.0015
Risk of injury
Improper modifications to the device
−Improper modifications to the device can result in injuries.
•Do not make any unauthorised changes to the device.
•Only use the spare parts and accessories approved by Retsch
GmbH!
NOTICE
N2.0012
Changes to the device
Improper modifications
−The conformity declared by Retsch GmbH with the European Directives
will lose its validity.
−Any warranty claims will be terminated.
•Do not make any modification to the device.
•Use spare parts and accessories that have been approved by Retsch
GmbH exclusively.

Safety
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2.3 Protective Equipment
•The Jaw Crusher BB 500 can only be started when the collecting receptacle has been
inserted into the base frame.
•A limit switch behind the collecting receptacle prevents the machine starting in an unsafe
state.
•Removing the collecting receptacle results in the grinding process stopping immediately.
•The motor protection switch turns the drive motor off when the jaws are blocked.
•In the event of danger, the machine can be shut down at any time by pressing the
emergency stop button .
2.4 Intended use
The Jaw Crusher BB 500 is suitable for grinding medium to extremely hard substances and for
brittle and hard ductile materials.
As a laboratory instrument, the unit is intended exclusively for sample preparation and
processing of solids and is not to be used as a production machine.
The instrument is designed for stationary operation in a dry and clean working environment.
The operator and operating personnel must have read the operating manual and be familiar
with the full range of functions of the instrument.
2.5 Improper use
The Jaw Crusher BB 500 is not designed for continuous operation. Use in the private sphere
and for applications other than those set out in the “Intended use” chapter is not permitted.
Repairs and modifications may only be carried out by Retsch GmbH by an authorised
representative, or by qualified service technicians.