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Cleaning, Wear and Maintenance

39

7

Cleaning, Wear and Maintenance

WARNING

W4.0003

Risk to life caused by an electric shock

Cleaning live parts with water

−

Cleaning the device with water can lead to life-threatening injuries caused

by an electric shock if the device has not been disconnected from the
power supply.

•

Only carry out cleaning work on the device when it has been
disconnected from the power supply.

•

Use a cloth moistened with water for cleaning.

•

Do not clean the device under running water!

WARNING

The device must always be switched off and disconnected from the mains

before accessing it for cleaning or servicing purposes.

7.1 Lubrication

PS

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Summary of Contents for RS 300

Page 1: ... Retsch GmbH 42781 Haan Retsch Allee 1 5 Germany 23 03 2020 Version 0004 Manual Vibratory Disc Mill RS 300 Translation ...

Page 2: ...2 Copyright Copyright by Retsch GmbH Retsch Allee 1 5 42781 Haan Germany ...

Page 3: ...or the Intended Purpose 18 4 2 Grinding jar nominal volume 19 4 3 Feed size 19 4 4 Rated Power 20 4 5 Motor Rotation Speed 20 4 6 Emissions 20 4 6 1 Noise levels 20 4 6 2 Position of the user 20 4 7 Degree of Protection 21 4 8 Protective Equipment 21 4 9 Dimensions and Weight 21 4 10 Required Floor Space 21 5 Installation drawing 22 6 Operating the Device 23 6 1 Views of the device 23 6 2 Summary ...

Page 4: ...4 7 2 Maintenance 40 7 3 Parts subject to wear and tear 42 8 Return for Service and Maintenance 44 9 Disposal 45 10 Index 46 ...

Page 5: ...Notes on the manual 5 ...

Page 6: ...at http www retsch com on the pages for the specific device concerned Amendment status The document amendment 0004 of the Vibratory Disc Mill RS 300 manual has been prepared in accordance with the Machinery Directive 2006 42 EC 1 1 Disclaimer This manual has been prepared with great care We reserve the right to make technical changes We assume no liability for personal injuries resulting from the ...

Page 7: ...Notes on the manual 7 ...

Page 8: ...s and information on how to avoid the risk Life threatening or serious injuries may result if the Warning sign is disregarded There is an increased risk of a serious accident or of a possibly fatal personal injury The signal word WARNING is additionally used in the running text or in instructions CAUTION C1 0000 Risk of injuries Source of danger Possible consequences if the danger is ignored Instr...

Page 9: ...uct from Retsch GmbH and has been developed in line with the state of the art The device is safe to use when operated correctly and when following the instructions in this manual CAUTION C3 0015 Risk of injury Improper modifications to the device Improper modifications to the device can result in injuries Do not make any unauthorised changes to the device Only use the spare parts and accessories a...

Page 10: ...ollowing points Intended purpose of the machine Hazardous areas Safety provisions You must be satisfied that staff have the requisite qualifications General instructions and actions in an emergency Applicable accident prevention regulations Personal protective clothing required Operation of the machine in line with this Manual Accepted applicable rules governing occupational health and safety Inco...

Page 11: ...technical staff as well as external service providers who speak German and the language of the operating personnel The usual skills communicated during training e g as a plant fitter mechatronics engineer or toolmaker are prerequisites for the assembly commissioning and troubleshooting of the machine Employees must be able to manage all applicable mechanical tasks and be familiar with and have exp...

Page 12: ...d sufficient instructions about the operation and maintenance of the system The user has received the 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 The managing operator should for legal protection have the user confirm the instruction about the operation of the device I have read and...

Page 13: ...TICE N5 0014 Complaints Incomplete delivery or transport damage The forwarding agent and Retsch GmbH must be notified immediately in the event of transport damage It is otherwise possible that subsequent complaints will not be recognised Please check the delivery on receipt of the device for its completeness and intactness Notify your forwarding agent and Retsch GmbH within 24 hours 3 3 Temperatur...

Page 14: ...exceed or fall below the permitted temperature range 5 C to 40 C ambient temperature of the device 3 5 Installing the device Installation height max 2 000 m above sea level 3 6 Description of type plate Fig 1 Type plate 1 Device designation 2 Year of manufacture 3 Article number 4 Serial number 5 Manufacturer s address 6 CE mark 7 Disposal sign 8 Barcode 9 Voltage 10 Supply frequency 11 Output 12 ...

Page 15: ...y matching the values on the type plate WARNING When connecting the power cable to the mains supply use an external fuse that complies with the regulations applicable to the place of installation Check the type plate for details on the necessary voltage frequency and maximum external current source fuse for the device The listed values must agree with the existing mains supply Only use the supplie...

Page 16: ...18 Transportation lock Transport without transportation lock or operation with transportation lock Mechanical components may be damaged Only transport the device with mounted transportation lock Do not operate the device with built in transportation lock 3 11 Installing the device Place the device on a firm surface Please refer to the Technical data chapter for more parameters The device must be l...

Page 17: ...t and Installation 17 3 12 Removing the transport lock Fig 3 Accessing the transport lock The drive unit of the device is locked for transport The two screws ZS must be removed before commissioning for the first time ZS ...

Page 18: ...l to health Take note of the safety data sheets for the sample material Target group operating company operator Designation of the machine type RS 300 The RS 300 vibratory disc mill is used for the fast loss free and reproducible pulverisation of medium hard hard brittle and fibrous materials to analytical fineness Thanks to the innovative Cardan drive 3 dimensional grinding movement the mill runs...

Page 19: ...nded for continuous operation 4 2 Grinding jar nominal volume Hardened steel Standard steel 100 800 1000 2000 ml 100 800 1000 2000 ml Stainless steel 1 4401 Silicon nitride 2000 ml 1000 ml Tungsten carbide 100 ml Zirconium oxide 100 ml NOTICE N12 0000 Wear or damage to the grinding set Insufficient fill quantity Increased wear or damage to the grinding set is possible if the grinding set is operat...

Page 20: ...sult in not hearing acoustic warning signals leading to injuries Take the volume of grinding noise into consideration when designing the acoustic signals in the working environment Where necessary use additional visual signals 4 6 1 Noise levels Noise measurement in accordance with DIN 45635 31 01 KL3 The noise levels are mainly influenced by the machine speed the material being ground and the gri...

Page 21: ...nly be opened when the device has come to a halt The device can only be started if there is sufficient air pressure at least 7 5 bar If the air pressure drops below the minimum level during grinding the device is automatically switched off 4 9 Dimensions and Weight Height up to approx 1420 mm width 1150 mm depth up to approx 800 mm Weight RS 300 net approx 315 kg 4 10 Required Floor Space Height c...

Page 22: ...Installation drawing 22 5 Installation drawing RS 300 construction size ...

Page 23: ...Operating the Device 23 6 Operating the Device 6 1 Views of the device Fig 4 Front view of the device H I K B L M O J A ...

Page 24: ...pport for grinding jars Support for grinding jar and centring aid J Emergency stop button When pressed the machine is switched off immediately K Pin closing mechanism Safety lock for the cover L Control panel Controls the device M Closing mechanism Support for the pin closing mechanism N Bellows cylinder Cylinder for pneumatic clamping of grinding jars O Main on off switch When turned the machine ...

Page 25: ...ce The following steps are required to be able to insert and clamp the grinding jar Connect the device to the power supply Switch the main switch on the front on Press button F3 open lid The safety lock opens and the lid can be flipped open 6 6 Closing the device Hamber w hen the device It is only possible to look the grinding chamber when the device is connected to the power supply and the main s...

Page 26: ...evice This can result in substantial injuries Disconnect the device from the power supply before activating the emergency release Wait until all parts of the device have stopped moving Fig 7 RS 300 front panel Fig 8 Key in the electronics assembly On delivery a key is supplied with the device in the electronics assembly right hand side of the machine using which the device can be opened manually i...

Page 27: ...Operation without grinding set During operation of the device without grinding set excessive wear or damage to the device may occur Operate the device only with a grinding set mounted 6 8 1 Grinding jars Fig 10 Image of a grinding jar A Retsch grinding set with volumes of 100 800 1000 and 2000 ml and standard steel hardened steel stainless steel tungsten carbide silicon nitride and zirconium oxide...

Page 28: ... MW and the inner grinding piece RE 6 9 Preparing the grinding process For the grinding jar only Fit one disc and one ring in the grinding jar Position the ring and the disc as shown in the diagram Fig 12 Positioning the ring and disc Fill the material to be ground into the space RZ between the grinding chamber wall MW and the inner ring RE For an ideal grinding result the area RS between the inne...

Page 29: ...e grinding jar wall the inner ring and the disc e g using a brush Check whether the lid seal has been inserted Close the grinding jar grinding disc with the lid Slide the grinding jar grinding disc into the support Fig 14 Inserting the grinding jar Centre the grinding set in the grinding jar support MA Fig 15 Centred grinding jar SC RE MW RS RZ MA ...

Page 30: ... protective gloves when handling the grinding jar Never open hot grinding jars Allow grinding jars to cool down to room temperature before opening them The grinding jar clamping mechanism consists of a bellows cylinder that is automatically filled with air before the start of the grinding process thereby clamping the grinding set Please bear in mind that this device involves grinding apparatus wit...

Page 31: ...lied with air Using the buttons shown in the image the support tool can be moved upwards or downwards This enables the grinding jar to be placed effortlessly and ergonomically into the mill and to be removed from the mill again The Autolifter can be adjusted to the volumes specified above with the help of small adapter pieces The Autolifter is available for volume sizes of 800 1000 2000 ml ...

Page 32: ...d tight to the enclosed M10 hexagon bolts washers and circlips 1 Abb 18 Bottom mounting of the spacer bolts 2 Fit the desired insert rings marked in blue to the 4 part adapter plate Abb 19 Inserting the insert rings 3 Insert the adapter plate 2 ensuring that the hole pattern on the adapter plate corresponds to the tapped holes of the spacer bolts 1 ...

Page 33: ... using the enclosed M10 hexagon bolts washers and circlips marked in blue Tighten the bolts to 60 Nm Abb 21 Obere Befestigung der Adapterplatte 5 Likewise tighten the hexagon bolts mounted in Step 1 to 60 Nm 6 You can now insert the grinding jars marked in blue into the adapter plate 2 ...

Page 34: ... the device Start screen press the desired function key Fig 23 Start screen Select one of the following F1 Manual Mode grinding is started and stopped manually by the user The grinding time can be read off on the display F2 Automatic Mode grinding is started manually for a previously programmed grinding time and then stopped automatically F3 Lock Unlock Manual Mode Select F1 to go to the manual mo...

Page 35: ...utton F3 Pressing button F1 starts the grinding process and the time display shows the current grinding time The grinding process is only stopped after pressing button F2 Button F4 takes you back to the start options Automatic Mode Select F2 in the start screen to go to the settings for automatic mode The screen then displays the following functions Fig 25 Options menu for automatic mode On pressi...

Page 36: ...grinding time maximum of 59 minutes and 59 seconds press button F4 to go to the next options menu Fig 27 Options menu 2 3 Interval time F1 Interval time increase interval time F2 Interval time reduce interval time F3 Select minutes seconds F4 Next Pressing button F4 takes you to the last options menu Fig 28 Options men 3 3 reversal OFF Using button F1 here enables you to switch the direction rever...

Page 37: ...panel of the machine if it is not possible for the machine to start The following error message appears if the emergency stop has been activated or it is necessary to open and close the cover again Fig 29 Emergency stop activated The following error message appears if the lock is open Fig 30 Lock open The following error message appears in manual or automatic mode if it is not possible for the mac...

Page 38: ...Operating the Device 38 Fig 31 Check safety ...

Page 39: ...used by an electric shock if the device has not been disconnected from the power supply Only carry out cleaning work on the device when it has been disconnected from the power supply Use a cloth moistened with water for cleaning Do not clean the device under running water WARNING The device must always be switched off and disconnected from the mains before accessing it for cleaning or servicing pu...

Page 40: ...7 2 Maintenance WARNING W5 0000 Risk of loss of life due to an electric shock High voltage due to capacitor discharge Due to the capacitor discharge on the frequency converter the device conducts voltage for up to 3 minutes after the mains plug has been removed You could touch live contacts when the device is open An electric shock can cause serious injuries in the form of burns and cardiac arrhyt...

Page 41: ... and tear or brittleness A forklift or similar is needed when replacing the spring in order to lift the top platform Fig 35 Positions of rubber springs NOTICE N16 0000 Check the filter element B on the filter regulator every 2 weeks Drain any condensate present into a separate container and then close the container Replace the filter system B every 2 years or when the pressure drop reaches 0 1 MPa...

Page 42: ... Parts subject to wear and tear Fig 37 Springs and locking sleeve for spring Replace the springs FE and sleeves AH after approx 500 operating hours Both components should always be replaced together Order No 03 181 0148 spring 03 265 0148 locking sleeve FE AH B ...

Page 43: ...sert MA after approx 300 operating hours Order No 03 143 0071 Fig 39 Bellows cylinder Replace the bellows cylinder AB after approx 200 operating hours Block the supply of compressed air when not using the machine for a long period to extend the service life of all sealing elements Order No 03 381 0010 MA AB ...

Page 44: ...claration service has been correctly and fully completed Download the return form located in the download section Miscellaneous on the Retsch GmbH homepage http www retsch com downloads miscellaneous When returning a device attach the return form to the outside of the packaging In order to eliminate any health risk to the service technicians Retsch GmbH reserves the right to refuse the acceptance ...

Page 45: ... the business to business area to which this product is classified may no longer be disposed of with municipal or household waste To document this the devices are provided with the disposal label Fig 1 Disposal label Since the disposal regulations worldwide and also within the EU may differ from country to country the supplier of the device should be consulted directly in case of need This labelli...

Page 46: ... Filling area of the grinding jar 29 Filter Regler 42 Frequency 15 Front view of the device 23 Function 24 25 Fuse design 14 Fuse rating 14 G General safety instructions 9 Grinding disc 28 Grinding jar inserting 27 nominal volume 19 Grinding jar volume 19 Grinding jars 27 Grinding noise 20 Grinding set 19 detection 20 H Hardness of the sample material 19 Height 21 cover open 21 I Inserting the ada...

Page 47: ...0 Return 13 for service and maintenance 44 Return device 45 Return form 44 S Serial number 14 Service address 10 Sound level meter 20 Sound power level 20 Summary table of device parts 24 Summary table of the control elements and the display 25 Supply frequency 14 T Target group 9 Technical data 18 Temperature fluctuations 13 Temperature range 14 Temporary storage 13 Transport 13 15 16 Transport d...

Page 48: ......

Page 49: ...Copyright Copyright by Retsch GmbH Retsch Allee 1 5 42781 Haan Germany ...

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