Retsch GM 300 User Manual

© Retsch GmbH, 42781 Haan, Retsch-Allee 1-5, Germany 12.11.2012 0006 Manual Knife Mill GM 300 Translation

Transport, scope of delivery, installation 10 3 Transport, scope of delivery, installation 3.1 Packaging The packaging has been adapted to t

Transport, scope of delivery, installation 11 NOTICE Atmospheric humidity – Electronic and mechanical components may be damaged and the performan

Transport, scope of delivery, installation 12 1 Device designation 2 Year of production 3 Part number 4 Serial number 5 Manufacturer’s addr

Technical data 13 4 Technical data 4.1 Use of the machine for the intended purpose Target group: Operators Machine type designation: GM 300

Technical data 14 The device can be started only if the housing cover is closed and can be opened only if the motor has stopped completely. The actu

Technical data 15 4.5 Drive output 3-phase asynchronous motor with frequency converter 4.6 Rated power Continuous duty 1.5 KW, peak performa

Operating the machine 16 5 Operating the machine 5.1 Views of the Instrument 0 Fig. 2: Front view Fig. 3: Rear view B A C D E F G H I J O

Operating the machine 17 Fig. 4: Detailed views of housing Fig. 5: Detail of grinding jar disassembly 5.2 Operating elements and displays

Operating the machine 18 Fig. 6: Graphical View of the Control Panel G H I J F

Operating the machine 19 5.3 Overview table of the parts of the device Element Description Function A Grinding jar cover Closes the grinding c

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

Operating the machine 20 5.4 Switching On and Off • Switch on the mill by pressing the ON/OFF switch (M) at the back. When the GM300 is switch

Operating the machine 21 Fig. 7: Recessed grips on the knife Fig. 8: Removing the knife– Fill level of the grinding jar Note that the knife mus

Operating the machine 22 Fig. 9: Inserting the sealing ring Fig. 10: Preparing the knife and grinding jar, inserting the knife NOTE • Check the

Operating the machine 23 2. Use the face spanner (SL) to mount the knife dome and the bearing flange in the grinding jar. (see diagram below) NOT

Operating the machine 24 Fig. 12: Inserting the grinding jar and closing the device. 5.7.1 Grinding container - use with different materials The

Operating the machine 25 Fig. 13: Use of one or two sealing rings NOTE Thin fluid samples should be started at a low speed. Increase the speed gra

Operating the machine 26 • Press the STOP key (I) twice. The grinding process is stopped (end). The grinding parameters are reset to the previous

Operating the machine 27 1st level 2nd level 3rd level 4th level 5th level 6th level 1 Manual operation Sequeces 01 to 10 (Press knob and t

Operating the machine 28 P01 Sequences 01 P01 P01+P02 Sequences 02 P02 P01+P02+P03 Sequences 03 P03 P01+P02+P03+P04 Sequences 04 P04 P01+P02+P03+P

Operating the machine 29 Fig. 14: Maximum speed for runny liquid samples 5.15 Setting the Direction of Rotation • Turn the rotary knob to reac

3 1 Notes on the Operating Manual ... 5 1.

Operating the machine 30 CAUTION Emergency Unlocking Drive continuing to run – There is a substantial risk of injury if the drive and associated

Working instructions 31 6 Working instructions Four sharp, sturdy blades rotate in the centre of the grinding container. Depending on the directio

Cleaning and service 32 8 Cleaning and service Fig. 17: Autoclavable and dishwasher-safe components and exceptions Fig.

Cleaning and service 33 Under certain conditions there may be corrosion on metallic parts. This is not a quality defect and can occur d

Accessories 34 9 Accessories NOTE The use of the gravity lid reduces the possible filling capacity of the grinding jar by 5 cm under the edge o

Disposal 35 10 Disposal Please observe the respective statutory requirements with respect to disposal. Information on disposal of electrical an

36 11 Index( (CO2) ... 22 A Accessories ...

37 K Knife Speed ... 15 M Magnetic force ... 21

38 U Use of the machine for the intended purpose ... 13 V ventilation properties ... 22 View of the back ...

4 5.9 Starting the grinding process ... 25 5

39 Authorized person for the compilation of technical documents: J. Bunke (technical documentation) The following records are held by Retsch GmbH

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

Notes on the Operating Manual 5 1 Notes on the Operating Manual This operating manual is a technical guide on how to operate the device safely

Notes on the Operating Manual 6 1.1 Explanations of the safety warnings In this Operating Manual we give you the following safety warnings S

Notes on the Operating Manual 7 1.2 General safety instructions CAUTION Read the Operating Manual Non-observance of these operating instruct

Notes on the Operating Manual 8 Reperaturen 1.3 Repairs This operating manual does not contain any repair instructions. For your own safety, rep

Confirmation 9 Bestätigung 2 Confirmation This operating manual contains essential instructions for operating and maintaining the device which