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Summary of Contents for Retsch RM200
- Page 1 Operating Instructions for Mortar Mill RM200 Retsch GmbH, 42781 Haan, Retsch-Allee 1-5, Germany 11/6/2012 00023...
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Page 2: Notes On These Operating Instructions
They instruct the target group(s) for each of the defined areas, in order to ensure safe handling of the RM200 when used for the intended purpose. Knowledge of the relevant section is an essential precondition for safe, proper use of the machine. -
Page 3: Table Of Contents
Maintenance ................... 30 Accessories RM200 ................30 Wear ..................... 31 Readjusting the lock pre-tensioning ........... 31 Wearing parts ................. 31 Checks ................... 31 Copyright ..................31 Alterations ..................31 Summary of safety regulations for the RM200........32 11/6/2012 Retsch GmbH 0002... -
Page 4: Safety
RM200. For your own protection have your employees confirm that they have been instructed in operation of the RM200. The draft of a suitable form is given at the end of the section on safety. We exclude any claims for damages of any kind for... -
Page 5: Warning Signs
Observe instructions for use Repairs These operating instructions do not include repair instructions. For your own safety repairs must be carried out only by Retsch GmbH or an authorised agent (service technicians). In this case please contact: The Retsch agency in your country... - Page 6 Please keep the packing material for the duration of the guarantee period since if there is a complaint and the machine is returned with inadequate packing your guarantee claim will be at risk. Transport The RM200 must not be knocked, shaken or thrown during transport. Otherwise the electronic and mechanical components can become damaged. Temperature variations If temperature variations are high (e.g.
- Page 7 Cleaning Do not clean the RM200 with running water. Danger to life through current surgeUse only a cloth moistened with water. Cleaning agents and solvents must not be used – not for cleaning the milling tools either.
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Page 8: Confirmation
Confirmation I have taken note of the section „Notes on these operating instructions” and the section on “Safety”. _______________________________________ Signature of operating authority _______________________________________ Signature of service technician 11/6/2012 Retsch GmbH 0002... -
Page 9: Technical Data
8 hours single shift operation with 30% operating time. The RM200 is suitable for dry and wet milling of soft, medium hard, hard, pasty and brittle materials, up to a hardness of 9 on the Mohs’ scale. -
Page 10: Transport And Installation
If temperature variations are high (e.g. during air transport) the RM200 must be protected against condensed water. Otherwise electronic components can become damaged. Intermediate storage Ensure that the RM200 is also stored dry during intermediate storage. 11/6/2012 Retsch GmbH 0002... -
Page 11: Conditions For The Place Of Installation
Installation height: max. 2000 m above sea level Installation Mount the RM200 only on a firm, stable laboratory bench since otherwise vibrations can be transmitted. Electrical connection Voltage and frequency for the RM200 are given on the type plate. -
Page 12: Operation
Operation Target group: Operators Operating elements and operation Diagram of operating elements: Front view Rear view 11/6/2012 Retsch GmbH 0002... -
Page 13: Operating Elements And Their Function
Takes two visible type fuses Type plate Information on the machine and connected loads ON/OFF switch For switching the RM200 on and off Display and operating unit: For Time preselection and starting / stopping the explanations see below machine Closing grip For opening and locking the millling chamber Turning handle –... - Page 14 Indicates stand-by mode Green LED Indicates milling operation Two digit display Indicates the set milling time or, during operation, the milling time still remaining. Setting range: 1 to 99 minutes plus “- -“ for continuous operation. 11/6/2012 Retsch GmbH 0002...
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Page 15: View Of Milling Chamber
Contains the material to be milled Scraper Mixes the milled material and scrapes off material adhering to the mortar Fixing screw for scraper Holds the scraper with the screwed-on fixing clamp Fixing clamp for scraper Clamps the scraper 11/6/2012 Retsch GmbH 0002... -
Page 16: Installing / Changing The Milling Fittings
Installing / changing the milling fittings If the RM200 has been ordered or supplied with milling fittings the mortar, pestle and scraper will have already been adjusted at the works. If a new set of milling fittings is installed the pestle and scraper must be readjusted or positioned. -
Page 17: Installing Or Changing The Pestle
No dirt should get into the pestle holder Pa Fig.4.1 Fig. 4.1 Make sure that the pestle is locked in position. Otherwise it may fall out when the lid is closed and damage the mortar. 11/6/2012 Retsch GmbH 0002... -
Page 18: Adjusting The Pestle
Fig.7 a guide during setting. They can be used as an aid in reproducing the conditions. However, no mathematical conclusion regarding the contact pressure is possible since this depends on the material to be milled. 11/6/2012 Retsch GmbH 0002... -
Page 19: Adjusting The Scraper To The Mortar
• The scraper can be adjusted by its slot slightly forward or backward. • Slide the scraper backwards. • Tighten the screw. Fig.9 • Close the cover. • Check visually or by sample material if the scraper is applied accurate on the mortar. 11/6/2012 Retsch GmbH 0002... -
Page 20: Adjusting The Contact Pressure
If the scraper pressure is set too high this increases the motor load and can cause triggering of the overload protection switch on the rear side of the machine. 11/6/2012 Retsch GmbH 0002... -
Page 21: Checking The Scraper Setting
Adjusting the milling time The milling time can be adjusted with the display and operating unit E • Switch on the RM200 with switch D. Fig.13 Preselecting the time • Set the required milling time with the + / - buttons O and P Fig.14... - Page 22 Please take all necessary measures, depending on the dangerousness of your sample, to prevent danger to persons. Please note that the properties, and therefore the dangerousness of your sample, can change during the milling process. 11/6/2012 Retsch GmbH 0002...
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Page 23: Stopping The Milling Process
Replacing the fuses Fig.15 • Unplug mains plug from the machine socket A • Unlock and remove the fuse compartment B by pressing the locking device upwards. • Replace the fuses • Insert fuse holder B Fig.15 11/6/2012 Retsch GmbH 0002... -
Page 24: Working Instructions
BGI 504-1-1* and BGI 504-1-4* „Dust exposure – industrial preventive medicine“ BGR 120* „Directives for laboratories“ (* German federal laws) Materials The RM200 is suitable for dry and wet milling of materials of all kinds, with the following possible properties: soft medium hard ... -
Page 25: Crushing, Mixing And Milling Of Samples With Grain Size < 3Mm
Please ask for advice in case of doubt. Crushing, mixing and milling of samples with grain size < 3mm Connect the RM200 to the power supply, switch on and start. The sample is slowly added to the rotating mortar through the filling opening I . For this purpose the right-hand Plexiglass cover I is opened. -
Page 26: Crushing, Mixing And Milling Materials Of Grain Size > 3 Mm
Crushing, mixing and milling materials of grain size > 3 mm Close the RM200 and switch on. Precrushing: Fig.14 • Loosen the rotary grip for adjusting the pestle G down to scale setting “0”... -
Page 27: Security Advice For Handling Liquid Nitrogen
A funnel must be used to fill cooling liquid into the RM 200. Otherwise the cover might be damaged. Please observe the security advice of the liquid nitrogen supplier. Retsch excludes any liability claims which may result from the use of liquid nitrogen or similar substances. 11/6/2012... -
Page 28: Safety Functions And Fault Displays
Safety functions F1 - Overloading In order to prevent overloading of the drive motor and resulting danger to the operator the RM200 is provided with a load control. This continuously measures the actual motor load and indicates this in the load control display. In case of overloading the load control switches off the machine in good time and guarantees a cooling time. -
Page 29: General
• Pestle of sintered corundum • Pestle of zirconium oxide • Pestle of hard porcelain Fig.21 Scraper Fig.22 • Scraper of PUR (abrasion resistant, rubber type material) • Scraper of beech wood • Scraper of PTFE (Teflon) Fig.22 11/6/2012 Retsch GmbH 0002... -
Page 30: Cleaning
Cleaning Do not clean the RM200 with running water. Danger to life through current surge Use only a cloth moistened with water. Cleaning agents and solvents must not be used – not for cleaning the milling tools either. Maintenance The RM200 is maintenance free. When used properly no maintenance and adjusting work need be carried out. -
Page 31: Wear
• If there is an opening gap of only a few cm the machine is switched off and F4 appears in the display. • Delete F4 with stop button R If switching off does not take place the RM200 must be checked immediately by Retsch service. Copyright... -
Page 32: Summary Of Safety Regulations For The Rm200
Claims for damages in any form are machine caused through non-observance of excluded the safety instructions Transport Do not knock, vibrate or throw the RM200 Electronic and mechanical components during transport can be damaged Keep the packing material for the duration of... - Page 33 Authorized person for the compilation of technical documents: Dr. Loredana Di Labio (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 36 Copyright ® Copyright by Retsch GmbH Haan, Retsch-Allee 1-5 D-42781 Haan Federal Republic of Germany...
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