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Summary of Contents for Retsch GM 300
- Page 1 Manual Knife Mill GM 300 Translation © Retsch GmbH, 42781 Haan, Retsch-Allee 1-5, Germany 12.11.2012 0006...
- Page 2 Copyright © Copyright by Retsch GmbH Haan, Retsch-Allee 1-5 D-42781 Haan Federal Republic of Germany...
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Page 3: Table Of Contents
Notes on the Operating Manual ......................5 Explanations of the safety warnings ....................6 General safety instructions ........................ 7 Repairs ............................... 8 Confirmation ............................9 Transport, scope of delivery, installation ..................10 Packaging ............................10 Transport............................10 Temperature fluctuations and condensed water ................10 Conditions for the place of installation ..................... - Page 4 Starting the grinding process ......................25 5.10 Interrupting and continuing the grinding process ................25 5.11 Stopping the grinding process ......................25 5.12 Menu structure ..........................26 5.12.1 Setting Possibilities on the Display Menu ................26 5.13 Setting the grinding time ........................28 5.14 Setting the Speed ..........................
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Page 5: Notes On The Operating Manual
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. -
Page 6: Explanations Of The Safety Warnings
Notes on the Operating Manual 1.1 Explanations of the safety warnings 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... -
Page 7: General Safety Instructions
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. -
Page 8: Repairs
Reperatur en 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:... -
Page 9: Confirmation
Confirmation Bes tätigung 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. -
Page 10: Transport, Scope Of Delivery, Installation
Transport, scope of delivery, installation 3 Transport, scope of delivery, installation 3.1 Packaging The packaging has been adapted to the mode of transport. It complies with the generally applicable packaging guidelines. 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. -
Page 11: Removing The Transport Safeguard
Transport, scope of delivery, installation 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. 3.5 Removing the transport safeguard Remove the cardboard cross, which serves to protect the knives during transport), from the inside of the grinding jar. - Page 12 Transport, scope of delivery, installation Device designation Year of production Part number Serial number Manufacturer’s address CE marking Disposal label Bar code Power version Mains frequency Capacity Amperage Number of fuses 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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Page 13: Technical Data
It can process sample volumes of up to 4.5 litres quickly and reproducibly. The GRINDOMIX GM 300 is designed for quantities up to approx. 4500 ml, large volume materials up to 1000 ml. The feed size is < 130 mm. -
Page 14: Emissions
Technical data The device can be started only if the housing cover is closed and can be opened only if the motor has stopped completely. The actual speed is displayed during operation. The safety device checks that the grinding jar and cover are in place before the grinding process can be started. -
Page 15: Drive Output
Technical data 4.5 Drive output 3-phase asynchronous motor with frequency converter 4.6 Rated power Continuous duty 1.5 KW, peak performance 3 kW 4.7 Rated voltage – 50 / 60Hz + 0,1Hz 220 - 230 V 4.8 Rotation speed The knife speedcan be set in 100-rpm steps from 500 to 4000 rpm. 4.9 Dimensions and weight 4.9.1 Height with Hood Cover Closed... -
Page 16: Operating The Machine
Operating the machine 5 Operating the machine 5.1 Views of the Instrument Fig. 2: Front view Fig. 3: Rear view... -
Page 17: Operating Elements And Displays
Operating the machine Fig. 4: Detailed views of housing Fig. 5: Detail of grinding jar disassembly 5.2 Operating elements and displays... - Page 18 Operating the machine Fig. 6: Graphical View of the Control Panel...
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Page 19: Overview Table Of The Parts Of The Device
Operating the machine 5.3 Overview table of the parts of the device Element Description Function Grinding jar cover Closes the grinding chamber Flap Prevents interference with the grinding chamber Grinding chamber Accommodates the sample material Knife Grinds the sample material Jar holder (base frame) Accommodates the grinding jar Display window... -
Page 20: Switching On And Off
Operating the machine 5.4 Switching On and Off • Switch on the mill by pressing the ON/OFF switch (M) at the back. When the GM300 is switched on for the first time, the language menu is displayed. You can select your national language here by turning the operating knob (G). Pressing this knob confirms the selection and the display shows “Open Lid”. - Page 21 Operating the machine Fig. 7: Recessed grips on the knife Fig. 8: Removing the knife– Fill level of the grinding jar Note that the knife must be inserted before filling the grinding jar. The knife is placed on the shaft and held by magnetic force . The sealing lip (DL) of the V ring seal (V) must point downwards when inserted.
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Page 22: Inserting The Grinding Jar
Operating the machine Fig. 9: Inserting the sealing ring Fig. 10: Preparing the knife and grinding jar, inserting the knife NOTE • Check the state of the V-ring seal (V) regularly. – The bottom edge of the lip seal (DL) must be clean and smooth. •... - Page 23 Operating the machine Use the face spanner (SL) to mount the knife dome and the bearing flange in the grinding jar. (see diagram below) NOTE Before inserting the grinding jar, it is essential to ensure that the bearing flange and the knife dome are positioned securely. If necessary, tighten the bearing flange with the face spanner (SL).
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Page 24: Grinding Container - Use With Different Materials
Operating the machine Fig. 12: Inserting the grinding jar and closing the device. 5.7.1 Grinding container - use with different materials The material properties specified refer to samples from the main area of applications: food or animal fodder The plastic grinding jar is less suitable for dry, tough or fibrous samples. Stainless steel is recommended for these samples as well as all others from the specified field of applications. -
Page 25: Starting The Grinding Process
Operating the machine Fig. 13: Use of one or two sealing rings NOTE Thin fluid samples should be started at a low speed. Increase the speed gradually. The maximum speed for liquid samples may not exceed 2,500 revolutions per minute. 5.9 Starting the grinding process ... -
Page 26: Menu Structure
Operating the machine • Press the STOP key (I) twice. The grinding process is stopped (end). The grinding parameters are reset to the previously set or stored values. 5.12 Menu structure This device offers new, very user-friendly prompting. All relevant data can be entered into or called up on a graphic display with one-button operation. - Page 27 Operating the machine 1st level 2nd level 3rd level 4th level 5th level 6th level Manual operation Sequeces 01 to 10 (Press knob and turn to the left) Grinding program 01 tos 10 (Turn knob to the right) Grinding duration Grinding duration [1sec.
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Page 28: Setting The Grinding Time
Operating the machine Sequences 01 P01+P02 Sequences 02 P01+P02+P03 Sequences 03 P01+P02+P03+P04 Sequences 04 P01+P02+P03+P04+P05 Sequences 05 P01+P02+P03+P04+P05+P06 Sequences 06 P01+P02+P03+P04+P05+P06+P07 Sequences 07 Sequences Program P01+P02+P03+P04+P05+P06+P07+P08 Sequences 08 P01+P02+P03+P04+P05+P06+P07+P08+P09 Sequences 09 P01+P02+P03+P04+P05+P06+P07+P08+P09+P10 Sequences 10 5.13 Setting the grinding time • Turn the rotary knob until you reach the grinding time menu item. -
Page 29: Setting The Direction Of Rotation
Operating the machine Fig. 14: Maximum speed for runny liquid samples 5.15 Setting the Direction of Rotation • Turn the rotary knob to reach the direction of rotation menu item. The selected menu item is highlighted by the dark selection bar. •... - Page 30 Operating the machine CAUTION Emergency Unlocking Drive continuing to run – There is a substantial risk of injury if the drive and associated device parts run on a long time without being braked! • Activate the emergency unlocking only when the machine has come to a complete stop and is disconnected from the power supply.
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Page 31: Working Instructions
Working instructions 6 Working instructions Four sharp, sturdy blades rotate in the centre of the grinding container. Depending on the direction of rotation, cutting is done with the blunt side (preliminary size reduction) or with the sharp side (fine size reduction). To protect the knife from damage from hard material, the knife are equipped with a counterblade. -
Page 32: Cleaning And Service
Cleaning and service 8 Cleaning and service Autoclavable and dishwasher-safe autoclavable Dishwasher-safe Autoclavable and dishwasher-safe Fig. 17: Autoclavable and dishwasher-safe components and exceptions Dishwasher safe Fig. 18: Dishwasher safe components NOTICE • Dry all metallic parts of the grinding jar and the knife after drying to prevent possible corrosion. - Page 33 (K) may appear after this protective oxide layer has been damaged. • This corrosion can be prevented if you dry the grinding tools after rinsing. In the case of the steel used by Retsch, the protective layer is automatically continuously formed through a reaction with oxygen (O •...
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Page 34: Accessories
Accessories 9 Accessories NOTE The use of the gravity lid reduces the possible filling capacity of the grinding jar by 5 cm under the edge of the jar. This corresponds to a filling capacity of 3.5 litres. Fig. 21: Engaging the gravity lid in the securing recess ... -
Page 35: Disposal
Disposal 10 Disposal Please observe the respective statutory requirements with respect to disposal. Information on disposal of electrical and electronic machines in the European Community. Within the European Community the disposal of electrically operated devices is regulated by national provisions that are based on the EU Directive 2002/96/EC on Waste Electrical and Electronic Equipment (WEEE). -
Page 36: Index
11 Index Drive output ............15 Dry ice ..............22 ) ..............22 Dusty sample ............. 24 Accessories ............34 Electrical connection .......... 11 Amperage ............12 Emergency unlocking......... 30 Atmospheric humidity ......... 10 Emergency unlocking of flap ......30 Autoclavable components........ - Page 37 Required floor space .......... 15 Revmoving the knife – fill level of the grinding jar Knife Speed ............15 ............... 21 Rotation speed ........... 15 Magnetic force ............ 21 rpm ..............15 Mains frequency ..........12 Runny samples ..........29 Manufacturer’s address ........
- Page 38 Use of the machine for the intended purpose ..13 Watery sample ........... 24 Weight ..............15 Working instructions ........... 31 ventilation properties ........... 22 View of the back ..........30 Views of the Instrument ........16 Year of production ..........12...
- Page 41 Authorized person for the compilation of technical documents: J. Bunke (technical documentation) The following records are held by Retsch GmbH in the form of Technical Documentation: Detailed records of engineering development, construction plans, study (analysis) of the measures required for conformity assurance, analysis of the residual risks involved and operating instructions in due form according to the approved regulations for preparation of user information data.
- Page 44 Copyright ® Copyright by Retsch GmbH Haan, Retsch-Allee 1-5 D-42781 Haan Federal Republic of Germany...
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