Retsch SR 300 User manual

© Retsch GmbH, 42781 Haan, Retsch-Allee 1-5, Germany 14.08.2015 0001
Manual
Rotor Beater Mill SR300
Translation

2
Copyright
© Copyright by
Retsch GmbH
Haan, Retsch-Allee 1-5
D-42781 Haan
Federal Republic of Germany

3

4
1Notes on the Operating Manual ............................................................................................................6
1.1 Explanations of the safety warnings.................................................................................................. 7
1.2 General safety instructions ................................................................................................................ 8
1.3 Repairs............................................................................................................................................... 9
2Confirmation .........................................................................................................................................10
3Transport, scope of delivery, installation..........................................................................................11
3.1 Packaging........................................................................................................................................ 11
3.2 Transport.......................................................................................................................................... 11
3.3 Temperature fluctuations and condensation ................................................................................... 11
3.4 Conditions for the place of installation............................................................................................. 11
3.5 Type plate description...................................................................................................................... 12
3.6 Electrical connection........................................................................................................................ 12
3.7 Transport.......................................................................................................................................... 13
3.8 Frame assembly.............................................................................................................................. 14
3.9 Installation of the machine............................................................................................................... 18
4Technical data.......................................................................................................................................19
4.1 Use of the machine for the intended purpose.................................................................................. 19
4.2 Emissions......................................................................................................................................... 19
4.3 Degree of protection ........................................................................................................................ 20
4.4 Motor rotation speed........................................................................................................................ 20
4.5 Receptacle volume.......................................................................................................................... 20
4.6 Rated power .................................................................................................................................... 20
4.7 Dimensions and weight.................................................................................................................... 20
4.8 Required floor space........................................................................................................................ 21
5Operating the machine ........................................................................................................................22
5.1 Views of the Instrument................................................................................................................... 22
5.2 Overview table of the parts of the device ........................................................................................ 23
5.3 Operating elements and displays .................................................................................................... 24
5.4 Overview Table of the Operating Elements and the Display........................................................... 24
5.5 Opening and closing of the grinding chamber................................................................................. 25
5.5.1 Opening the device...................................................................................................................... 25
5.5.2 Closing the device ....................................................................................................................... 25
5.6 Emergency unlocking ...................................................................................................................... 26
5.7 Inserting the grinding chamber cassettes, sieve frame and rotary beater ...................................... 27
5.7.1 Inserting the grinding chamber cassette...................................................................................... 28
5.7.2 Inserting the sieve frame ............................................................................................................. 28
5.7.3 Inserting the rotor......................................................................................................................... 29
5.7.4 Removing the grinding set........................................................................................................... 29
5.8 Inserting the filter unit and collecting receptacle.............................................................................. 29
5.9 Manual operation............................................................................................................................. 30
5.9.1 Switching on / off ......................................................................................................................... 30
5.9.2 Speed........................................................................................................................................... 30
5.9.3 Adjusting the speed ..................................................................................................................... 30
5.9.4 Starting the grinding process....................................................................................................... 30
5.9.5 Stopping the grinding process..................................................................................................... 30
6Cleaning, wear and service .................................................................................................................31

5
6.1 Servicing the closing pins................................................................................................................ 31
6.2 Servicing and cleaning..................................................................................................................... 32
6.3 Fusing.............................................................................................................................................. 34
7Fault messages.....................................................................................................................................35
8Returning for service and maintenance.............................................................................................36
9Disposal.................................................................................................................................................37
10 Index ......................................................................................................................................................39
Appendix .................................................................................................................................. following page

Notes on the Operating Manual
6
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1 Notes on the Operating Manual
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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.
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Changes
Subject to technical changes.
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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.
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Notes on the Operating Manual
7
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1.1 Explanations of the safety warnings
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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
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Notes on the Operating Manual
8
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1.2 General safety instructions
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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.
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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.
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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.
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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.
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Notes on the Operating Manual
9
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Reperaturen
1.3 Repairs
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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:
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Confirmation
10
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Bestätigung
2 Confirmation
Pos: 1.3.3 /0005 RETSCH/0099 RET SCH Standard Kapitel/M odule_StandardkapitelB estätigung General @ 0\mod _1228722962707 _9.docx @ 4114 @ @ 1
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
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Transport, scope of delivery, installation
11
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3 Transport, scope of delivery, installation
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3.1 Packaging
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The packaging has been adapted to the mode of transport. It complies with the
generally applicable packaging guidelines.
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NOTICE
Storage of packaging
–In the event of a complaint or return, your warranty claims may be
endangered if the packaging is inadequate or the machine has not been
secured correctly.
•Please keep the packaging for the duration of the warranty period.
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3.2 Transport
Pos: 3.6/ 0030 Warnhinweise/0 004H INWEIS/H0017 HIN WEISTr ansport @ 0\mod_12289 18883019_9.docx @ 4802 @ @ 1
NOTICE
Transport
–Mechanical or electronic components may be damaged.
•The machine may not be knocked, shaken or thrown during
transport.
Pos: 3.7 /0025 Überschrift en/1.1 Überschrift en/1.1 Überschrift enBD A/11 Temperatursc hwankungen und Ko ndenswasser @ 11 \mod_1435905 983675_9.docx @ 849 16@ 2 @ 1
3.3 Temperature fluctuations and condensation
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NOTICE
Temperature fluctuations
The machine may be subject to strong temperature fluctuations during transport
(e.g. aircraft transport)
–The resultant condensed water may damage electronic components.
•Protect the machine from condensed water.
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3.4 Conditions for the place of installation
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Ambient temperature: 5°C to 40°C
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NOTICE
Ambient temperature
–Electronic and mechanical components may be damaged and the
performance data alter to an unknown extent.
•Do not exceed or fall below the permitted temperature range of the
machine (5°C to 40°C / ambient temperature).
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Atmospheric humidity:
Maximum relative humidity 80% at temperatures up to 31°C, decreasing linearly up
to 50% relative humidity at 40°C

Transport, scope of delivery, installation
12
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NOTICE
Atmospheric humidity
–Electronic and mechanical components may be damaged and the
performance data alter to an unknown extent.
•Do not exceed the admissible range for atmospheric humidity.
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3.5 Type plate description
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Fig. 1: Type plate lettering
1 Device designation
2 Year of production
3 Part number
4 Serial number
5 Manufacturer’s address
6 CE marking
7 Disposal label
8 Bar code
9 Power version
10 Mains frequency
11 Capacity
12 Amperage
13 Number of fuses
14 Fuse type and fuse strength
In the case of questions please provide the device designation (1) or the part
number (3) and the serial number (4) of the device.
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3.6 Electrical connection
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WARNING
When connecting the power cable to the mains supply, use an external fusethat
complies with the regulations applicable to the place of installation .
•Please check the type plate for details on the necessary voltage and
frequency for the device.
•Make sure the levels agree with the existing mains power supply.
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
4
1
3

Transport, scope of delivery, installation
13
•Use the supplied connection cable to connect the device to the mains power
supply.
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NOTICE
Electrical connection
–Mechanical or electronic components may be damaged.
•Please observe the information on the type plate.
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3.7 Transport
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WARNING
Serious personal injury
Falling loads
–The appliance is very heavy and can therefore cause serious personal
injuries if it falls down.
•Lifting above head height is not permissible!
Pos: 3.20 /0005 RETSCH/ 0005 RETSCH Be dienungsanleitunge n Kapitelsammlung en/0005 milling/SR 300_B/Modulordner /05Tr ansport, Liefer umfang und Aufstell en SR/0505 Modul Tr ansport @ 11\mod_1 435651586176_9. docx @ 84485 @ @ 1
Fig. 2: Removing the transport aid
Only lift and transport the device using the transport lug (TH) provided. Net weight
approx. 70 kg.
NOTICE
Only use transport belts that are approved for the weight.
•Remove the transport lug.
TH

Transport, scope of delivery, installation
14
Pos: 3.21 /0030 Warnhinweise/ 0004H INWEIS/H0017 HINW EISTr ansport @ 0\mod_1228 918883019_9.doc x@ 480 2@ @1
NOTICE
Transport
–Mechanical or electronic components may be damaged.
•The machine may not be knocked, shaken or thrown during
transport.
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3.8 Frame assembly
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Fig. 3: Individual parts of stand
Individual parts of the frame (optional accessory) have been pre-assembled for
easier assembly.
RS
H
SQ
H
TR
H
RS
H

Transport, scope of delivery, installation
15
Fig. 4: Assembling the cross beam
•Where necessary, loosen the four screws (TS) on the cross beam (TR)
slightly.
•Slide the cross beam into the guides at the side of the left-hand and right-
hand roller track (RS).
Fig. 5: Securing the cross beam bracket
NOTICE
Ensure that the cross beam (TR) lies flush on the pre-assembled bracket element
(WS).
Tighten the screw (SW) on the left-hand and right-hand bracket element.
RS
H
TR
H
TS
H
SW
H
WS
H
WS
H
TR
H

Transport, scope of delivery, installation
16
Fig. 6: Screwing the cross beam tight
•Screw the four Allen screws tight.
Fig. 7: Fitting the side protective caps
•Place the four black plastic caps on the openings.
Fig. 8: Fitting the front protective caps
•Place both caps on the ends of the roller track.

Transport, scope of delivery, installation
17
Fig. 9: Placing the stand on the cross beam
•Place the stand (SQ) on the cross beam.
Fig. 10: Attachment points on the stand
Fig. 11: Screwing the stand tightly onto the cross beam
•Screw the stand (SQ) onto the cross beam.
SQ
H

Transport, scope of delivery, installation
18
Fig. 12: SR300 assembly
•Then place the SR300 on the base frame.
•Screw the SR300 housing tightly to the base frame using the 4 screws.
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3.9 Installation of the machine
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Installation height: maximum 2000 m above sea level
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NOTE
Installation
–Depending on the operating status of the mill, there may be slight
vibrations.
•Place the mill on an even, flat and balanced supporting surface only.
The supporting surface must be stable and must not vibrate.
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NOTICE
Installation of the machine
–It must be possible to disconnet the machine from the mains at any time.
•Install the machine such that the connection for the mains cable is
easily accessible.
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Technical data
19
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4 Technical data
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4.1 Use of the machine for the intended purpose
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Target group: Operating companies, operators
Machine type designation: SR 300
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This high performance rotor mill is used for batch-wise or continuous grinding of
granular and fibrous products and product mixes. This device has fundamentally
not been designed for the grinding of wet or damp materials. The rotary beater in
conjunction with the drive achieves a fast, efficient grinding without putting any
strain on the ground material.
Special features
The high performance rotor mill is impressive when used for difficult grinding tasks
where other mills fail. The device permits a particularly effective grinding of
heterogeneous material mixes. Analytical fineness is usually achieved in a single
step. The sample material is scarcely heated in the process, so that the mill is also
suitable for temperature-sensitive materials.
Together with the large selection of sieves and collecting vessels, it is possible to
adjust it to suit individual tasks.
–Fast, gradual grinding using 6-blade rotor
–Rotor made from high quality material
–High level of operator convenience due to central locking, speed indicator
and keypad
–Consistent operating safety in all operator-related device components
–Diverse application possible due to wide range of accessories
–Powerful grinding thanks to 2.2 kW motor with high torque and frequency
converter
–Very quick cleaning thanks to push-fit rotor
–Defined final fineness using bottom sieves with mesh sizes of 0.08 –10 mm
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NOTICE
Area of use of the machine
–This machine is a laboratory machine designed for 8-hour single-shift
operation.
•This machine may not be used as a production machine nor is it
intended for continuous operation.
Pos: 5.6 /0025 Überschrift en/1.1 Überschrift en/1.1 Überschrift enBD A/11 Emmisionen @ 0\ mod_122648 7095021_9.doc x@ 33 10@ 2 @ 1
4.2 Emissions
Pos: 5.7 /0030 Warnhin weise/0003 VORSICH T/V0044 VORSICHT G ehörschaden (GM 300, SM200, SM300, PM 400, PM100) @ 1\ mod_1248181519 795_9.docx @ 11731 @ @ 1
CAUTION
Damage to hearing
The level of noise can be high depending on the type of material,
the knife used, the speed set and the duration of the grinding
process.
- Noise that is excessive in terms of level and duration can cause
impaired or permanently damaged hearing.
•Ensure suitable sound-proofing measures or wear
hearing protection.

Technical data
20
Pos: 5.8 /0005 RETSCH /0005 RETSCH Bedie nungsanleitung enK apitelsammlunge n/0005 milling/SR 300_B/Modulor dner/10 Technische Dat en SR/1015 SR300 Mo dulE mmisionen @ 11\ mod_14356491 44737_9.docx @ 8436 9@ @ 1
Noise measurement in accordance with DIN 45635-31-01-KL3.
Emission at a distance of 1m:
–approx. 68 dB (A) during idling
During grinding, depending on the sample material:
–approx. 85 to 95 dB (A) with peaks of up to 110 dB (A)
Pos: 5.9 /0025 Überschrift en/1.1 Überschrift en/1.1 Überschrift enBD A/11 Schutzart @ 0\ mod_122649183 9164_9.docx @ 332 8@ 2 @ 1
4.3 Degree of protection
Pos: 5.10 /0005 RETSCH/ 0005 RETSCH Be dienungsanleitunge n Kapitelsammlung en/0005 milling/SR 300_B/Modulordner /10T echnische Dat en SR/1020 SR30 0M odul Schutzart @ 11\ mod_14356491451 43_9.docx @ 8438 2@ @ 1
–
––IP41
Pos: 5.11 /0025 Übersc hriften/1.1 Übersc hriften/1.1 Überschrifte n BDA/11 Motordr ehzahl@ 1\mod_1 241508280705_ 9.docx @ 8763 @ 2 @ 1
4.4 Motor rotation speed
Pos: 5.12 /0005 RETSCH/ 0005 RETSCH Be dienungsanleitunge n Kapitelsammlung en/0005 milling/SR 300_B/Modulordner /10T echnische Dat en SR/1025 SR30 0M odulM otordrehza hl@ 1 1\mod_1435649 145611_9.docx @ 8 4395@ @1
The motor speed is 3000-10000 min-1.
The speed can be set in steps of 500 min-1.
Pos: 5.13 /0025 Übersc hriften/1.1 Übersc hriften/1.1 Überschrifte n BDA/11 Aufnah mevolumen Retsch @ 1\ mod_12415085 33945_9.docx @ 8777 @ 2@ 1
4.5 Receptacle volume
Pos: 5.14 /0005 RETSCH/ 0005 RETSCH Be dienungsanleitunge n Kapitelsammlung en/0005 milling/SR 300_B/Modulordner /10T echnische Dat en SR/1030 SR30 0M odul Aufnahmevolum en@ 11\mo d_1435649146001_ 9.docx @ 84408 @ @ 1
The material capacity is < 5 l and can be increased to up to 30 l using accessories.
Pos: 5.15 /0025 Übersc hriften/1.1 Übersc hriften/1.1 Überschrifte n BDA/11 Nennleist ung @ 0\mod_12264 91873164_9.doc x@ 3334 @ 2 @ 1
4.6 Rated power
Pos: 5.16 /0005 RETSCH/ 0005 RETSCH Be dienungsanleitunge n Kapitelsammlung en/0005 milling/SR 300_B/Modulordner /10T echnische Dat en SR/1035 SR30 0M odulN ennleistung @ 11\mod_1435 649146469_9.doc x @ 84421 @ @ 1
–2200 W
Pos: 5.17 /0025 Übersc hriften/1.1 Übersc hriften/1.1 Überschrif ten BDA/11 Abmessu ngenu nd Gewicht Retsch @ 0\ mod_122649 2212173_9.doc x@ 33 52@ 2 @ 1
4.7 Dimensions and weight
Pos: 5.18 /0005 RETSCH/ 0005 RETSCH Be dienungsanleitunge n Kapitelsammlung en/0005 milling/SR 300_B/Modulord ner/10 Technisch eD aten SR/1040 SR300 M odul Abmessungen @ 1 1\mod_1435649 146859_9.docx @ 8 4434@ @ 1
Height: 1200 mm
Width: 580 mm
Depth: 700 mm
Weight: approx. 50 kg without base frame, 60 kg with base frame