Retsch GRINDOMIX GM 300 User manual

© Retsch GmbH, 42781 Haan, Retsch-Allee 1-5, Germany | 26.11.2019 Version 0017
Manual
Knife Mill GM 300
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............................................................................................................................. 6
1.1 Explanations of the Safety Instructions ............................................................................................. 7
1.2 General Safety Instructions ............................................................................................................... 8
1.3 Repairs............................................................................................................................................... 9
2Confirmation ........................................................................................................................................ 10
3Packaging, Transport and Installation .............................................................................................. 11
3.1 Packaging........................................................................................................................................ 11
3.2 Transport.......................................................................................................................................... 11
3.3 Temperature fluctuations and condensed water ............................................................................. 11
3.4 Conditions for the Installation Site................................................................................................... 11
3.5 Removing the Transportation Lock.................................................................................................. 12
3.6 Installation of the Device.................................................................................................................. 12
3.7 Electrical Connection....................................................................................................................... 12
3.8 Type Plate Description..................................................................................................................... 12
4Technical Data..................................................................................................................................... 14
4.1 Use of the Device for the Intended Purpose.................................................................................... 14
4.2 Protective Equipment....................................................................................................................... 14
4.3 Emissions......................................................................................................................................... 15
4.4 Degree of Protection........................................................................................................................ 15
4.5 Drive................................................................................................................................................. 15
4.6 Rated Power.................................................................................................................................... 15
4.7 Rated voltage................................................................................................................................... 15
4.8 Speed............................................................................................................................................... 16
4.9 Dimensions and Weight................................................................................................................... 16
4.9.1 Height with Hood Cover Closed................................................................................................... 16
4.9.2 Height with Hood Cover Open..................................................................................................... 16
4.9.3 Weight.......................................................................................................................................... 16
4.10 Required Floor Space...................................................................................................................... 16
5Operating the Device .......................................................................................................................... 17
5.1 Views of the device.......................................................................................................................... 17
5.2 Operating elements and displays .................................................................................................... 19
5.3 Overview table of the parts of the device ........................................................................................ 20
5.4 Switching On and Off....................................................................................................................... 21
5.5 Opening and Closing of the Device................................................................................................. 21
5.6 Handling the Knife ........................................................................................................................... 21
5.7 Inserting the Grinding Jar ................................................................................................................ 23
5.7.1 Grinding container - use with different materials......................................................................... 25
5.8 Grinding Jar Lid Sealing Rings........................................................................................................ 25
5.9 Starting the grinding process........................................................................................................... 27
5.10 Interrupting and continuing the grinding process ............................................................................ 27
5.11 Stopping the grinding process......................................................................................................... 27
6Display and operation......................................................................................................................... 28
6.1 Symbols in the Display Unit............................................................................................................. 28
6.2 Display unit –operation of the device.............................................................................................. 28
6.2.1 Adjustment options using the display menu ................................................................................ 29
6.2.2 Navigating between operating modes ......................................................................................... 29
6.3 Direct access to the language menu ............................................................................................... 29
6.4 Menu structure................................................................................................................................. 31
6.5 Operating modes ............................................................................................................................. 31
6.5.1 Manual operation......................................................................................................................... 31
6.5.2 Program 01 to 10......................................................................................................................... 31
6.5.3 Sequences 01 to 10..................................................................................................................... 32
6.5.4 Basic settings............................................................................................................................... 32

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6.6 Manual Mode................................................................................................................................... 32
6.6.1 Grinding time................................................................................................................................ 32
6.6.2 Speed........................................................................................................................................... 32
6.6.3 Direction of rotation...................................................................................................................... 32
6.6.4 Interval......................................................................................................................................... 33
6.6.5 Direction reversal......................................................................................................................... 33
6.6.6 Pause time................................................................................................................................... 33
6.6.7 Save parameters ......................................................................................................................... 33
6.7 Programme Mode............................................................................................................................ 33
6.7.1 Change program.......................................................................................................................... 33
6.7.2 Delete program............................................................................................................................ 34
6.8 Basic settings................................................................................................................................... 34
6.8.1 Automatic opening....................................................................................................................... 34
6.8.2 Language..................................................................................................................................... 34
6.8.3 Brightness.................................................................................................................................... 34
6.8.4 Date ............................................................................................................................................. 34
6.8.5 Time............................................................................................................................................. 35
6.8.6 Acoustic warning signal ............................................................................................................... 35
6.8.7 Service......................................................................................................................................... 35
6.8.7.1 Operating hours................................................................................................................... 35
6.8.7.2 Software version of display.................................................................................................. 35
6.8.7.3 Software version of the controller........................................................................................ 35
6.8.7.4 Update software................................................................................................................... 36
6.9Emergency Unlocking...................................................................................................................... 36
7Working instructions........................................................................................................................... 38
8Fault messages.................................................................................................................................... 39
9Cleaning and service .......................................................................................................................... 40
10 Accessories ......................................................................................................................................... 42
11 Disposal................................................................................................................................................ 43
12 Index ..................................................................................................................................................... 44

Notes on the manual
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Notes on the manual
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1 Notes on the manual
This operating manual is a technical guide on how to operate the device safely and it contains
all the information required for the areas specified in the table of contents. This technical
documentation is a reference and instruction manual. The individual chapters are complete in
themselves.
Familiarity (of the respective target groups defined according to area) with the relevant chapters
is a precondition for the safe and appropriate use of the device.
This operating manual does not contain any repair instructions. If faults arise or repairs are
necessary, please contact your supplier or get in touch with Retsch GmbH directly.
Application technology information relating to samples to be processed is not included but can
be read on the Internet on the respective device’s page at www.retsch.com.
Changes
Subject to technical changes.
Copyright
Disclosure or reproduction of this documentation, use and disclosure of its contents are only
permitted with the express permission of Retsch GmbH.
Infringements will result in damage compensation liability.

Notes on the manual
7
1.1 Explanations of the Safety Instructions
In this Operating Manual we give you the following safety warnings
Serious injury may result from failing to heed these safety warnings. We give you the following
warnings and corresponding content.
WARNING
Type of danger / personal injury
Source of danger
–Possible consequences if the dangers are not observed.
•Instructions on how the dangers are to be avoided.
We also use the following signal word box in the text or in the instructions on action to be taken:
WARNING
Moderate or mild injury may result from failing to heed these safety warnings. We give you
the following warnings and corresponding content.
CAUTION
Type of danger / personal injury
Source of danger
–Possible consequences if the dangers are not observed.
•Instructions on how the dangers are to be avoided.
We also use the following signal word box in the text or in the instructions on action to be taken:
CAUTION
In the event of possible property damage we inform you with the word “Instructions” and the
corresponding content.
NOTICE
Nature of the property damage
Source of property damage
–Possible consequences if the instructions are not observed.
•Instructions on how the dangers are to be avoided.
We also use the following signal word in the text or in the instructions on action to be taken:
NOTICE

Notes on the manual
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1.2 General Safety Instructions
CAUTION
Read the Operating Manual
Non-observance of these operating instructions
–The non-observance of these operating instructions can
result in personal injuries.
•Read the operating manual before using the device.
•We use the adjacent symbol to draw attention to the
necessity of knowing the contents of this operating
manual.
Target group : All persons concerned with the machine in any form
This machine is a modern, high performance product from Retsch GmbH and complies with the
state of the art. Operational safety is given if the machine is handled for the intended purpose
and attention is given to this technical documentation.
You, as the owner/managing operator of the machine, must ensure that the people
entrusted with working on the machine:
•have noted and understood all the regulations regarding safety,
•are familiar before starting work with all the operating instructions and
specifications for the target group relevant for them,
•have easy access always to the technical documentation for this machine,
•and that new personnel before starting work on the machine are familiarised
with the safe handling of the machine and its use for its intended purpose,
either by verbal instructions from a competent person and/or by means of
this technical documentation.
Improper operation can result in personal injuries and material damage. You are
responsible for your own safety and that of your employees.
Make sure that no unauthorised person has access to the machine.
CAUTION
Changes to the machine
–Changes to the machine may lead to personal injury.
•Do not make any change to the machine and use spare parts and
accessories that have been approved by Retsch exclusively.
NOTICE
Changes to the machine
–The conformity declared by Retsch with the European Directives will lose
its validity.
–You lose all warranty claims.
•Do not make any change to the machine and use spare parts and
accessories that have been approved by Retsch exclusively.

Notes on the manual
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1.3 Repairs
This operating manual does not contain any repair instructions. For your own
safety, repairs may only be carried out by Retsch GmbH or an authorized
representative or by Retsch service engineers.
In that case please inform:
The Retsch representative in your country
Your supplier
Retsch GmbH directly
Your Service Address:

Confirmation
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Bestätigung
2 Confirmation
This operating manual contains essential instructions for operating and maintaining the device
which must be strictly observed. It is essential that they be read by the operator and by the
qualified staff responsible for the device before the device is commissioned. This operating
manual must be available and accessible at the place of use at all times.
The user of the device herewith confirms to the managing operator (owner) that
(s)he has received sufficient instructions about the operation and maintenance of
the system. The user has received the operating manual, has read and taken note
of its contents and consequently has all the information required for safe operation
and is sufficiently familiar with the device.
As the owner/managing operator you should for your own protection have your
employees confirm that they have received the instructions about the operation of
the machine.
I have read and taken note of the contents of all chapters in this operating
manual as well as all safety instructions and warnings.
User
Surname, first name (block letters)
Position in the company
Signature
Service technician or operator
Surname, first name (block letters)
Position in the company
Place, date and signature