Operating instructions
Contents
1. Loosen the retaining screws A to change or remove the fixed knives 4 When inserting fasten the fixed knives with the retaining screw A 5 After mounting the rotor see amp Inserting changing a rotor on page 24 set the gap width of the knives see Setting the gap width of the knives on page 28 26 FRITSCH u 6 1 4 1 Installation position of the fixed knives 45 7170 09 45 7171 09 3 45 7160 09 45 7161 09 1 45 7170 09 45 7171 09 2 6 1 4 2 Installation position of the fixed knives with tungsten carbide cutting edge 45 7320 00 3 PT 45 7310 00 Wer 1 45 7320 00 E o NOTICE Note the position of the Tungsten Carbide hard metal strips These are marked BLUE in the image above 27 FRITSCH A 6 1 5 Setting the gap width of the knives The knife gap is set at the factory to approx 0 2 mm A B 3 Retaining screw A and threaded pins B for fixed knife 3 A B 1 2 Retaining screws A and threaded pins B for fixed knife 1 2 1 p VU 7 p 8 p Open the cutting mill see amp Opening the cutting mill on page 24 but set the main switch on the back of the device to ON Loosen the middle retaining screws A on all 3 fixed knives and unscrew them slightly Turn the rotor so that the rotor knife and the fixed knife are exactly opposite each other Screw in2. FRITSCH A 1 Open the funnel lid 2 Unscrew the cross head screws D with a screwdriver 3 p Close the funnel lid 4 Unscrew the Torx screws E with a screwdriver 5 Unscrew the knurled screw B 6 The plunger G can now be taken out 7 Install in reverse order 41 7 4 Collecting vessel FRITSCH A Pull out the collecting vessel and clean it It can be vacuumed or wiped down with a damp cloth l NOTICE Close the cutting mill after cleaning and check for proper functioning See Initial start up on page 22 NOTICE Make sure that the parts sit firmly when assembling 7 5 Cleaning the filter foam mat 1 Vacuum the filter foam mat with the vacuum cleaner 2 Subsequently wash it out with water If necessary you could use a tenside for cleaning 3 Allow the foam mat to air dry 42 FRITSCH A 8 Maintenance A DANGER Mains voltage Before beginning with maintenance work unplug the mains plug and protect the device against being unin tentionally switched back on again Indicate maintenance work with warning signs Maintenance work may only be performed by special ised personnel Put safety equipment back into operation after mainte nance or repair work NOTICE Observe the sharpness of the fixed knife If the fixed knife is blunt the motor may burn out Fritsch GmbH cannot uphold t
3. FRITSCH Ta A 2 4 Information on hazards and symbols used in this manual Safety information Safety information in this manual is designated by symbols Safety infor mation is introduced by keywords that express the extent of the hazard DANGER This symbol and keyword combination points out a directly hazardous situation that can result in death or serious injury if not avoided WARNING This symbol and keyword combination points out a possibly hazardous situation that can result in death or serious injury if not avoided CAUTION This symbol and keyword combination points out a possibly hazardous situation that can result in slight or minor injury if not avoided NOTICE This symbol and keyword combination points out a possibly hazardous situation that can result in property damage if not avoided ENVIRONMENT This symbol and keyword combination points out a possibly hazardous situation that can result in environmental damage if not avoided Special safety information To call attention to specific hazards the following symbols are used in the safety information DANGER This symbol and keyword combination points out a directly hazardous situation due to electrical current Ignoring infor mation with this designation will result in serious or fatal injury FRITSCH a a A Safety information in the procedure instructions DANGER This symbol and keyword c
4. FRITSCH a OO Operating instructions POWER CUTTING MILL PULVERISETTE 25 Valid starting with 25 20XX 0100 Read the instructions prior to performing any task Translation of the original operating instructions FRITSCH a Fritsch GmbH Milling and Sizing Industriestra e 8 D 55743 Idar Oberstein Telephone 49 0 6784 70 0 Fax 49 0 6784 70 11 Email info fritsch de Internet www fritsch de Version 05 2015 Index 007 FRITSCH A Certifications and CE conformity Certification CE Conformity Fritsch GmbH has been certified by the TUV Zertifizierungsgemeinschaft e V TGA T LER PUR AT EIN GERMAN ASIOCIATION FOR ACCREDITATION OM Dh TGA ZM 05 08 00 An audit certified that Fritsch GmbH conforms to the requirements of the DIN EN ISO 9001 2008 The enclosed Conformity Declaration lists the guidelines the FRITSCH instrument conforms to to be able to bear the CE mark FRITSCH A Table of contents 1 Basic structure nun 6 2 Safety information and USEC ccccccsecccesecccsseceeseceeesceeeneeeeeees 7 2 1 Requirements for the USEP ccccssccccssseecceseceeeeeeeeeeeeseeees 7 2 2 Scope of APPLICATION ccceeecccessececesececeseceeeeseeeseeeceeeeseeeees 7 2 2 1 Operating Principle cc eeccccsssecceeseeeceeeeceeseeeeeseeeeees 8 2 22 DIVE MOTOR einen ee eg 8 2 3 Obligations of the OPErator ccccecccescceseceeseeeeeeeceneeeeeeeees
5. le FRITSCH A 2 8 3 Direction of rotation detection A unit for detection of the direction of rotation is installed in devices with a three phase motor If the STOP button lights up red after connecting to a three phase power system and switching the main switch to I ON the direction of rotation must be corrected To do this two phases in the mains plug must be replaced See amp Electrical connection on page 20 2 8 4 Overload protection m The motor protection switch switches off if overload occurs amp Overload of the cutting mill on page 36 The STOP button lights up red J FRITSCH A 3 3 1 3 2 3 3 3 4 3 5 3 6 3 7 Technical data Dimensions Weight Operating noise Voltage Current consumption Power consumption 450 mm x 650 mm x 630 mm width x depth x height Devices without funnel cutting tools sieve cassette collecting vessel and stand 75 kg net Devices with standard funnel for bulk solids cutting tool from tung sten carbide sieve cassette collecting vessel and stand approx 110 kg net Packed approx 140 kg gross The noise level is approx 78 dB A when idle The value fluctuates strongly depending on the comminution material 400V 3 16A for 400V 3 motor amp Electrical connection on page 20 Transient overvoltages in accordance with overvoltage category II are permitted 3240 W for 400V
6. the mains immediately Replace the safety switch START button Indicating readiness for Does the START button Before each use operation light up green if the main switch is at ON If not see Checklist for trou bleshooting on page 46 Rotor Comminuting material Is the rotor still sharp Before each use If not resharpen or replace depending on wear Fixed knives Comminuting material Are the fixed knives sharp Before each use Maintenance Turn around or resharpen A4 FRITSCH A Functional part Function Type Inspection Maintenance interval Cutting gap Comminuting material Measure gap width For Whenever rotor and fixed setting see amp Setting the knives are changed gap width of the knives on page 28 Cones Centring rotor Check cones for cleanliness Whenever rotor is changed and grooves See Inserting changing a rotor on page 24 8 1 Removing and installing the cutting knives Depending on the material to be cut and the duration of use the fixed knives have to be resharpened or replaced Fixed knives 2 and 3 can be turned once after this they must be resharpened or replaced For instal lation or removal observe Chapter Inserting changing the fixed knives on page 26 AG FRITSCH m o SEITE 9 Repairs DANGER Mains voltage Before beginning with repair work unplug the mains plug and protect the device against bei
7. 3 motor Motor shaft power in accordance with VDE 0530 EN 60034 mM 2 2 kW for 400V 3 motor 17 FRITSCH A 3 8 Electrical fuses Circuit breaker in device Micro fuse in device Motor safety switch amp Overload of the cutting mill on page 36 Direction of rotation detection in three phase model Electrical safety on page 15 3 9 Material Feed size Depending on material and funnel up to 120 x 85 mm Harder material max 20 mm Batchwise sample feeding Throughput Depending on material property and sieve used up to 85 I h 3 10 Final fineness Achievable average final fineness depending on sieve insert 1 10 mm 3 11 Speed 300 360 rpm depending on voltage and frequency 18 FRITSCH A 4 Installation 4 1 Transport The device is delivered on a transport pallet with a wooden cover We recommend using a forklift or pallet truck for transporting the packed device DANGER Do not step under the transport pallet during transport WARNING Improper lifting can lead to personal injury or property damage The machine is only to be lifted with suitable equipment and by qualified personnel The guarantee excludes all claims for damage due to improper transport 4 2 Unpacking m Pull out the nails that fasten the cover to the transport pallet The cover is the wooden box that has been placed over the transport pallet Lift the cover off of the trans
8. 8 2 4 Information on hazards and symbols used in this manual 9 2 5 Device safety INFOrMAatiON csscsccccsssecccceeseeceeaeeeeeesaaeees 11 2 6 Protective CQUIPMENL cccsccsecsecceccecceececeeccuseseceeceesenees 13 2 6 1 Opening the cutting mill without mains connection 13 2 7 Hazardous points 14 2 8 Electrical SATCLY nassen 15 2 8 1 General iNfOrMation ccccceecccsececssceeeeceeseceeeeceeeeeenes 15 2 8 2 Protection against restart cccceccsscceccsececcsecseceeseeseees 15 2 8 3 Direction of rotation AeteCtiONn ccccsseesccssseeeeeeeeeeees 16 2 8 4 Overload Protection ccccccsssscccccssseeceeseseeeceseeseeeeesaeeees 16 3 Technical data 17 358 DPMO ON ee een 17 EPE E E A ee 17 33 WOO S TEINS NOG araroa E 17 JA VO De TETERA N 17 3 5 Current consumMption sssssssssessssessssesersrssrereseseeseseesesreseee 17 3 6 Power consumption ne neisi inrens nasais 17 3 7 Motor shaft power in accordance with VDE 0530 EN BO A ee ee 17 38 EISELTICA TUS ee 18 Be IW AUVON Al ccsepstencasvsaceccusesaneonsaesecesaangeceusaabeasersneguvsandeqeasoaseqnuas 18 3 10 Final finnene SS seirinin 18 3 11 Speed 18 4 IMST CIO see ee 19 Al TEanspork ner nie 19 42 Unpacking nie ae 19 4 3 Setting UP nenne 19 4 4 Ambient conditions s 22202222000esse rennen snnnnnnnnnne nennen 20 AS Electrical connection 20 4 5 1 Adapting to the MaINS cccccccssscccc
9. be observed Always keep the operating manual at the installation site of the PULVERI SETTE 25 People with health problems or under the influence of medication drugs alcohol or exhaustion must not operate this device The PULVERISETTE 25 may only be operated by authorised persons and serviced or repaired by trained specialists All commissioning mainte nance and repair work may only be carried out by technically qualified personnel Qualified personnel are persons who because of their educa tion experience and training as well as their knowledge of relevant standards regulations accident prevention guidelines and operating conditions are authorised by those responsible for the safety of the machine to carry out the required work and are able to recognize and avoid possible hazards as defined for skilled workers in IEC 364 In order to prevent hazards to users follow the instructions in this manual Malfunctions that impair the safety of persons the PULVERISETTE 25 or other material property must be rectified immediately The following information serves both the personal safety of operating personnel as well as the safety of the products described and any devices connected to them All maintenance and repair work may only be performed by technically qualified personnel This operating manual is not a complete technical description Only the details required for operation and maintaining usability are described Fritsch has pr
10. devices for recycling or disposal free of charge whenever a new device is purchased The used FRITSCH device must be delivered free of charge to a FRITSCH establishment In all other cases FRITSCH takes back used FRITSCH devices for recycling or disposal only against payment 48 _ FRITSCH 11 Guarantee terms Guarantee period Conditions for claims against the guar antee Reasons for loss of the guarantee As manufacturer FRITSCH GmbH provides above and beyond any guar antee claims against the seller a guaranty valid for the duration of two years from the date of issue of the guarantee certificate supplied with the device Within this guarantee period we shall remedy all deficiencies due to material or manufacturing defects free of charge Rectification may take the form of either repair or replacement of the device at our sole discre tion The guarantee may be redeemed in all countries in which this FRITSCH device is sold with our authorisation This guarantee is subject to the condition that the device is operated according to the instructions for use operating manual and its intended use Claims against the guarantee must include presentation of the original receipt stating the date of purchase and name of the dealer together with the complete device type and serial number For this guarantee to take effect the answer card entitled Securing of Guarantee enclosed with the d
11. lid fully open or removed until it is resting on the rubber bumper 5 Clean the cutting chamber 7 3 Funnel CAUTION Beware of dust exposure caused by cleaning with com pressed air Wear protective goggles The funnel can be cleaned with a vacuum cleaner and brush and with compressed air if necessary 7 3 1 Standard funnel 1 With the cutting chamber open vacuum out the funnel from below 2 Open the funnel lid and vacuum out the funnel from above 39 7 3 2 Protected funnel FRITSCH A Set the main switch on the back of the device to 0 OFF Pull the sample pusher out of the protected funnel until it stops and fasten it with knurled screw A Open the funnel lid Clean the protected funnel from above a Ee Close the funnel lid Pull the plunger out of the protected funnel until it stops and fasten it with knurled screw B Open the cutting chamber as described above VE E Clean the protected funnel from below If necessary It is also possible to remove the plunger and the sample pusher for cleaning To do so set the main switch on the back of the device to 0 OFF and disconnect the mains plug from the electricity 7 3 2 1 Removing sample pusher 1 Open the funnel lid 2 Unscrew the knurled screws C and A 3 The sample pusher F can be taken out 4 gt Install in reverse order aoe 7 3 2 2 Removing the plunger
12. line may only be made by a qualified technician 20 FRITSCH A 4 6 Fastening the Power Cutting Mill GE j Screw the cutting mill tightly to the stand provided acc to instructions A or to a stable mount table The following must be observed in order to fasten the device m Unscrew the 3 screws fastening the motor cover E Lift the motor cover off carefully E Two U profiles are mounted on the bottom of the device Insert the 4 screws provided through the bore holes in the U profiles and screw tightly to the stand or table Other screws with the same diameter can also be used CAUTION Ensure that the device is safely fastened Considerable lat eral forces can occur NOTICE Make sure that the cutting mill is easily accessible On the right of the mill there must be enough space to open the upper part of the housing together with the funnel Make sure the ventilation grate on the back is not obstructed Risk of overheating 21 FRITSCH A 5 Initial start up 5 1 Before switching on for the first time 1 Set the main switch on the back of the device to O OFF 2 Connect the device to the mains with the mains plug 3 Remove the cover cap Z of the central bore hole in the closing lid 4 Insert the hexagon socket screw key provided through the central bore hole Now turn the hexagon socket screw key to check if the rotor is turning fre
13. the device The PULVERISETTE 25 may exclusively be used within the scope of appli cations set down in this manual and within the framework of guidelines put forth in this manual In case of non compliance or improper use the customer assumes full liability for the functional capability of the PUL VERISETTE 25 and for any damage or injury arising from failure to fulfil this obligation By using the PULVERISETTE 25 the customer agrees with this and recog nizes that defects malfunctions or errors cannot be completely excluded To prevent risk of damage to persons or property or of other direct or indirect damage resulting from this or other causes the cus tomer must implement sufficient and comprehensive safety measures for working with the PULVERISETTE 25 Neither compliance with this manual nor the conditions and methods used during installation operation use and maintenance of the PUL VERISETTE 25 can be monitored by Fritsch GmbH Improper execution of the installation can result in property damage and thus endanger per sons Therefore we assume absolutely no responsibility or liability for loss damage or costs that result from errors at installation improper operation or improper use or improper maintenance or are in any way connected to these The applicable accident prevention guidelines must be complied with Generally applicable legal and other obligatory regulations regarding environmental protection must be observed
14. the right and left threaded pins B beside the retaining screw A equally until the fixed knives come up against the rotor knives Then turn back evenly the threaded pins B a rotation and while doing so check the gap After this re tighten the retaining screw A Set all 3 fixed knives in this way A knife gap of approx 0 2 mm is then set using this method This can be checked using a feeler gauge 0 2 mm corresponds to approx 2 sheets of printing paper DIN A4 80 g NOTICE The fixed knives must run parallel to the rotor knives so that the cutting load is distributed evenly across the whole length Insert the sieve cassette see amp Inserting changing a sieve cas sette on page 26 Close the cutting mill see Closing the cutting mill on page 29 NOTICE Check if the rotor is turning freely see amp Checking if the rotor is turning freely on page 29 If this is not the case proceed as described in amp Using the device on page 24 This check must also be carried out every time the rotor and the knife are changed 28 6 1 6 Closing the cutting mill FRITSCH A Before closing the cutting mill clean the cutting chamber the con tact surfaces of the housing and in particular the locking surfaces of the lock a Swivel the upper part of the housing slowly closed until it is resting on the lower part of the housing Close the closing lid Lock t
15. the rotor ry ee FRITSCH A 6 Using the device 6 1 Preparing a comminution 6 1 1 Opening the cutting mill 1 Set the main switch on the back of the device to ON 2 Unlock the latch clamp 3 Open the closing lid It is possible to lift the closing lid out of the hinge after opening This is only necessary for tasks such as cleaning 4 Make sure that the closing lid is fully open Slowly swivel open the upper part of the housing until it is resting on the rubber bumper 6 1 2 Inserting changing a rotor CAUTION Risk of injury Beware of the sharp edges of the rotor Wear safety gloves when changing the rotor 24 FRITSCH A 1 Open the cutting mill see amp Opening the cutting mill on page 24 2 Pull the rotor forwards wearing safety gloves If the rotor jams somewhat lever it out carefully 3 Clean the cone shaped rotor holders 4 Clean both cone shaped holders cones in the closing lid and on the holder 5 Push the rotor onto the rotor holder Turn it clockwise until it engages in the 4 actuating pins on the back 6 Close the cutting mill see amp Closing the cutting mill on page 29 7 _ Afterwards NOTICE Check if the rotor 3 is turning freely see amp Checking if the rotor is turning freely on page 29 If this is not the case proceed as described in This check must also be ca
16. 2 M Mains Hs 6 ag ae ee ee a eee Oe a 20 Mains voltage ee ns 17 Maintenance 0 0 eee ee ee ee es 43 Maintenance list 0 00 ee eee 44 Materie anne Goes Stew eee eee 18 Motor shaft power 2 0 cee eee ees 17 O Opening the cutting mill 0 24 Opening without mains connection 13 Operating noise level 00 000 ees 17 Operating principle 0 0 0 eee eee 8 Overload acc cap Coes eh eee ees ee asa ees 36 Overload protection 2 2 2 2222er 16 p Power consumption 0202 eee eee 17 Protection against restart 2 222 15 Protective equipment 02 000 eee 13 R Removing funnel parts 020000 40 Requirements for the user 0 00000 7 Rotational speed ee ee 18 S Safety information 2 2 0 eee ee es 9 Safety logbook 2 cee ee 53 Scope of application eee ee 7 Setting the gap width 00008 28 SEINE UD a an vu ea re RRR we ee 19 Skilled workers 0 ee ee ns 7 Stationary Knife Position 00008 27 Switching off ae a ae a we we ws ow cw we mw a we we am we a 23 SWIECHING ON e as 0 0 0 0 00 0 oe a ww HS a SOS 23 W Warning information 2 2222er 9 WEEE oem nasser 48 Weight 22 oo onen 17 Working withthemill 222222200 24 FRITSCH a ei FRITSCH u 2015 Fritsch GmbH Milling and S
17. 38 Tide POUSE ve de 38 7 2 C ttingchambDen een ee 38 To ON ee ee 39 7 3 1 Standard FUNNEL ccc ceeccccesececeeeeeeceeecesseeceeseaeeeseeeees 39 73 2 Protected f nnel eun nenn 40 FA CONC CUM Ve eg 42 7 5 Cleaning the filter foam Mat cccccssseccccsssecceeeeeeeeeeseeees 42 IV AUC CICS ee ee 43 8 1 Removing and installing the cutting knives 45 REDA Seen ee ron 46 9 1 Checklist for troubleshooting s 2222200002esneeeene een 46 DISBOSal 2 ee ee nee ee 48 Guarantee terms 402240200020nennnnnennnnnnnennnnnnnnnnnnennnsnnnennne nenn 49 Exclusion of liability cccccccccsscccesseccesseceeeeceeeeceeeeeeeseees 51 Safety JOPDOOK ne re 53 EN en ee ee Renee 54 FRITSCH A 1 Basic structure 1 Standard funnel 7 Fixed knife 3 2 Latch clamp 8 Safety switch 3 Closing lid 9 Sieve cassette 4 Collecting vessel 10 Rotor 5 Control panel 11 Fixed knife 1 6 Air filter 12 Fixed knife 2 _ FRITSCH 2 Safety information and use 2 1 Requirements for the user 2 2 Scope of application This operating manual is intended for persons assigned with operating and monitoring the Fritsch PULVERISETTE 25 The operating manual and especially its safety instructions are to be observed by all persons working on or with this device In addition the applicable rules and regu lations for accident prevention at the installation site are to
18. ch for monitoring the collecting vessel During operation it monitors the position of the collecting vessel for the material to be cut 3 5 or 30 container and prevents the mill from starting up when the container has been removed 3 When the standard funnel is used it is also checked by a safety switch If the funnel is not closed start up is prevented CAUTION Do not operate the device without a funnel on All the switches fulfil the directives concerning per sonal protection 4 Motor safety switch If the cutting mill is overloaded the motor switches off automati cally See Chapter 6 Overload of the cutting mill on page 36 2 6 1 Opening the cutting mill without mains connection DANGER The lock must only be released manually when the closing lid is closed The latch clamp of the door must be locked 135 FRITSCH A 1 Insert the supplied triangular key into the bore hole under the safety lock and turn it clockwise 2 The closing lid can be opened after opening the latch clamp 3 At this time it is not possible to switch on the Power cutting mill To switch it on the safety lock must be activated by turning the triangular key to the left the closing lid must be closed and the latch clamp in locked position 2 7 Hazardous points W N E The closing lid can be lifted out of the hinges When opening the 7 A upper part of the housing it is possib
19. crews fastening the standard funnel to the upper part of the housing using a hexagon socket screw key and lift off the standard funnel 13 Insert the protected funnel and attach again with the four M6 x 12 cylinder head screws and their washers 14 Connect the cutting mill to the mains again 15 The device is ready for operation 6 5 Converting from protected funnel to standard funnel 1 Close the cutting mill See 6 Closing the cutting mill on page 29 2 Close the funnel lid 3 Set the main switch on the back of the device to O OFF 4 Remove the mains plug 33 5 Unscrew the four M6x12 cylinder head screws fastening the pro tected funnel to the upper part of the housing using a hexagon socket screw key and lift off the protected funnel FRITSCH A 6 Insert the standard funnel and fasten it with the four M6 x 12 cyl inder head screws and the washers 34 FRITSCH m 7 Unscrew the 3 screws fastening the motor cover 8 Carefully slide back the motor cover 9 Screw out the cover cap over the opening of the angular screw joint with a screwdriver 10 Pull off the angular screw joint located at the funnel cable push clamping ring downwards and screw into the motor cover 235 6 6 Overload of the cutting mill 11 5 S FREE S Afterwards lead the cable of the funnel through the screw con nection i
20. ducts described in this operating manual It is the responsibility of the user to ensure that they have the current version of this operating manual For more information please contact your local FRITSCH GMBH distributor or Fritsch GmbH Industri estr 8 D 55473 Idar Oberstein Not all parts shown here are necessarily installed in the product The buyer is not entitled to delivery of these parts If interested please con tact your local FRITSCH GMBH distributor or Fritsch GmbH Industriestr 8 D 55743 Idar Oberstein FRITSCH GMBH takes the greatest care to ensure that the quality relia bility and safety of your products are continuously improved and adapted to the state of the art The supplied products as well as this operating manual conform to the current state of the art when they leave the sphere of influence of FRITSCH GMBH By using the product the customer agrees with this and recognizes that defects malfunctions or errors cannot be completely excluded To pre vent risk of damage to persons or property or of other direct or indirect damage resulting from this or other causes the customer must imple ment sufficient and comprehensive safety measures for working with the product BT zu FRITSCH Fritsch GmbH excludes any liability warranty or other obligation to com pensate for damages regardless of whether this liability warranty or other obligation is explicit or implicit contractual or arising from unla
21. e feed quantity Cones soiled see Inserting changing a rotor on page 24 FRITSCH A Fault description Cause Bearing in closing lid defective Parts of rotor broken off 47 Remedy Replace bearing Replace rotor see Inserting changing a rotor on page 24 FRITSCH A 10 Disposal It is hereby confirmed that FRITSCH has implemented the directive 2002 95 EC of the European Parliament and Council from 27th January 2003 for the limitation of the use of certain dangerous substances in electrical and electronic devices FRITSCH has registered the following categories according to the German electrical and electronic equipment act section 6 paragraph 1 clause 1 and section 17 paragraphs 1 and 2 Mills and devices for the preparation of samples have been registered under category 6 for electrical and electronic tools except for large sta tionary industrial tools Analytical devices have been registered under category 9 monitoring and control instruments It has been accepted that FRITSCH is operating only in the business to business area The German registration number for FRITSCH is WEEE reg no DE 60198769 FRITSCH WEEE coverage Since the registration of FRITSCH is classified for bilateral transactions no legal recycling or disposal process is described FRITSCH is not obliged to take back used FRITSCH devices FRITSCH declares it is prepared to take back used FRITSCH
22. e or improper maintenance or are in any way con nected to these 59 FRITSCH uf 13 Safety logbook Date Maintenance Repair Name Signature 53 FRITSCH A 14 Index A Accident prevention 0 00 cee eee ee eee 7 Ambient conditions 2 22222 2er 20 Authorised persons 0 0 20 see ee ee eee 7 B Basic structure 22 oo mon 6 C Changing fixed knives 200 0 eee 26 Changing the rotor 0 0 0 eee eee 25 Changing the sieve cassette 06 26 Checklist for troubleshooting 46 2 21 0 ae ee a ee 38 Closing the cutting mill 00 29 Comminution procedures 2 2 2 2 222er 30 Comminution with protected funnel 30 Current consumption 2 22 2222er 17 D Detection of the direction of rotation 16 Dimensions 222m ernennen 17 DISPOSA es ok nn nee ee un 48 DOVEO O a ans Eee ee a 8 E Electrical connection 2 22 22er 20 Electrical fuses 6 2 0 erahnen 18 Electrical safety 222 o onen 15 Exclusion of liability 2 2 2 2222er 51 Explanation of Signs 0 00 eee eee 9 Explanation ofsymbols 2222222 9 F Fastening the cuttingmill 2 2222220 21 FilaMINCNeSotoncae ean eedes Gee eee hee ean 18 Functioncheck 222222 222er 23 G Guarantee terms 2 2 aaa 49 H Hazardous points 2 2 22cm o nee 14 Imitial start P 22 344 200000 544440544 oe 445 2
23. ely 5 Remove the hexagon socket screw key again 6 If the rotor is not turning freely proceed as described in 6 Setting the gap width of the knives on page 28 NOTICE This check must also be carried out every time the rotor the fixed knives and the sieve cassette are changed 22 FRITSCH A 5 2 Switching on 5 3 Function check 5 4 Switching off 1 Check again that the cutting mill is firmly fastened 2 Check that the funnel is firmly mounted and closed 3 Slide in the collecting vessel 4 Check if the latch clamp is closed 5 Switch the control switch on the back of the device to ON the START button must light up green Switch on the device by pressing the START button This closing lid is now locked The cutting mill starts up NOTICE Switch the device off immediately if there is an audible metal contact noise This can happen if the fixed knives are set incorrectly An indication of this could be shiny areas on the rotor which show where the fixed knives must be read justed See Inserting changing the fixed knives on page 26 Press the STOP button to switch off the device After waiting a few sec onds the closing lid can be opened Switch off the main switch if the cutting mill is to be idle for a longer period of time e g overnight CAUTION Never unlock the latch clamp during operation Risk of permanent damage to
24. epared and reviewed this operating manual with the greatest care However no guarantee is made for its completeness or accuracy Subject to technical modifications The Power cutting mill PULVERISETTE 25 can be used for the fast com minution of medium hard brittle tough and fibrous materials like Sheet rubber plastics metal free refuse dry meat leather wood coal malt paper cardboard peat animal feed pasta tablets leaves pellets spices mesh wire straw maize bones aw I ae 7 a 7 2 2 1 Operating principle 2 2 2 Drive motor 2 3 Obligations of the operator The material to be cut is moved in front of a plunger and fed into the cutting chamber by means of a funnel There rotating knives in combina tion with three fixed knives cut the sample material The cutting chamber is closed at the bottom by a sieve cassette Comminuted mate rial is gathered in a collecting vessel after it passes the sieve cassette A three phase motor without mechanical brake serves as the drive Before using the PULVERISETTE 25 this manual is to be carefully read and understood The use of the PULVERISETTE 25 requires technical knowledge only commercial use is permitted The operating personnel must be familiar with the content of the oper ating manual For this reason it is very important that these persons actually receive the present operating manual Ensure that the operating manual is always near
25. evice must be properly filled out and despatched without delay after receipt of the device and be received by us within three weeks or alternatively online registration must be carried out with the above mentioned information The guarantee will not be granted in cases where E Damage has arisen due to normal wear and tear especially for wear parts such as Crushing jaws support walls grinding bowls grinding balls sieve plates brush strips grinding sets grinding disks rotors sieve rings pin inserts conversion kits sieve inserts bottom sieves grinding inserts cutting tools sieve cassettes sieve and measuring cell glasses E Repairs adaptations or modifications were made to the device by unauthorized persons or companies E The device was not used in a laboratory environment and or has been used in continuous operation E Damage is present due to external factors lightning water fire or similar or improper handling E Damage is present that only insubstantially affects the value or proper functioning of the device m The device type or serial number on the device has been changed deleted removed or in any other way rendered illegible E The above mentioned documents have been changed in any way or rendered illegible 49 FRITSCH A Costs not covered by the guarantee Further information about the guar antee This guarantee excludes any costs for transport packaging or travel that accrue i
26. gt A slight operating noise becomes audible Leave the sample pusher down and move the plunger downwards gt The operating noise becomes louder Make pumping movements with the plunger These pumping movements draw in and press out air through the blower filter above the collecting vessel This air feeds the comminution mate rial through the sieve or lifts it off the sieve and back into the process When the operating noise becomes quieter the cutting procedure is complete gt More comminution material can be added 6 4 Converting from standard funnel to protected funnel oes Close the cutting mill see Closing the cutting mill on page 29 Close the funnel lid Set the main switch on the back of the device to O OFF Remove the mains plug safe FRITSCH A 5 Unscrew the 3 screws fastening the motor cover 6 Carefully slide back the motor cover 7 _ Disconnect the standard funnel at terminals 2 and 2 1 8 Attach the cable bridge S4 to the terminals 2 and 2 1 9 Remove the funnel cable from the angular screw joint by pressing down the clamping ring and pulling the black cable guide from the angle 10 Screw the angular screw joint out of the motor cover and close the hole using a cover cap This is screwed in with a screwdriver 11 Fit the motor cover back on correctly and screw it tight mee oe FRITSCH A 12 Unscrew the four M6x12 cylinder head s
27. he guarantee if this is not observed We recommend keeping a safety logbook Chapter 13 Safety logbook on page 53 where all work maintenance repairs performed on the device is entered The most important element of maintenance is regular cleaning ee T ass Fj T d A 4 BR _ 4 Functional part Function Type Inspection Maintenance interval Exhaust filter Filtering exhaust air Clean exhaust filter To do Before each use this lever out the filter holder A with a screw driver or similar Beat the filter foam mat B Clean using compressed air or vacuum cleaner Replace the filter foam mat B if it is very heavily soiled Article number 90 0740 16 Filter foam mat Safety lock Locking the closing lid Is the closing lid kept Before each use closed when the main switch is at O OFF If NOT the safety lock is defective Disconnect the device from the mains immediately Replace the safety lock Closing lid safety switch Protecting the lower Is the cutting mill starting Before each use opening of the cutting up without collecting chamber vessel If YES the safety switch is defective Discon nect the device from the mains immediately Replace the safety switch Funnel opening safety Securing the funnel Is the cutting mill running Before each use switch opening with the lid of the standard funnel open If YES the safety switch is defective Disconnect the device from
28. he latch clamp Set the main switch on the back of the device to 0 OFF eE E 6 1 7 Checking if the rotor is turning freely ai E To check if the rotor is turning freely the closing lid must be closed See Setting the gap width of the knives on page 28 E Remove the cover cap Z of the central bore hole in the closing lid Guide the hexagon socket screw key provided through the central bore hole in the closing lid Now turn the hexagon socket screw key to check if the rotor is turning freely 99 FRITSCH A mM Remove the hexagon socket screw key again immediately Ifthe rotor is not turning freely proceed as described in amp Setting the gap width of the knives on page 28 NOTICE Perform this test each time the rotor or fixed knife is changed and after a gap adjustment 6 2 Comminution procedure with standard funnel CAUTION Wear safety goggles for comminution using the standard funnel In the case of free flowing material particles could be ejected from the funnel 1 Set the main switch on the back of the device to ON 2 Close the cutting mill see Closing the cutting mill on page 29 3 Push in the collecting vessel 4 Switch on the device gt press the green Start button see amp Switching on on page 23 5 p Add some comminution material gt An operating noise becomes audible C The sample quantity
29. he product be sure to have read and understood this operating manual The use of the product requires technical knowledge only commercial use is permitted The product may be used exclusively within the scope of applications set down in this operating manual and within the framework of guidelines put forth in this operating manual and must be subject to regular main tenance In case of non compliance improper use or improper mainte nance the customer assumes full liability for the functional capability of the product and for damage or injury arising from violating these obliga tions The contents of this operating manual are subject in entirety to copy right law This operating manual and its contents may not be copied fur ther distributed or stored in any form in part or in whole without the prior written consent of Fritsch This operating manual has been prepared to the best of our knowledge and checked for accuracy at the time of printing FRITSCH GMBH assumes no guarantee or liability whatsoever for the accuracy or com pleteness of the contents of this operating manual including but not limited to the implied warranties of merchantability and fitness for a par ticular purpose unless liability is expressly prescribed by applicable laws or jurisprudence FRITSCH GMBH expressly reserves the right to modify and or update this operating manual without prior notice The same applies to modifica tions and improvements to the pro
30. izing Industriestra e 8 D 55743 Idar Oberstein Telephone 49 0 6784 70 0 Fax 49 0 6784 70 11 Email info fritsch de Internet www fritsch de
31. l function Further designations To emphasise procedure instructions results lists references and other elements the following designations are used in this manual Designation Explanation __ b gt Step by step procedure instructions they Bop S Results of steps in the procedure hy References to sections in this manual and rele vant documentation a Lists without a specific order Button Operating elements e g push button switch display elements e g signal lamps Display Screen elements e g buttons function key assignment 2 5 Device safety information Please observe EB Only use original accessories and original spare parts Failure to observe this instruction can compromise the safety of the machine E Accident proof conduct is to be strictly followed during all work Comply with all currently applicable national and international acci dent prevention guidelines CAUTION Wear hearing protection If a noise level of 85 dB A is reached or exceeded ear pro tection should be worn to prevent hearing damage WARNING The maximum accepted concentration MAC levels of the relevant safety guidelines must be observed if necessary ventilation must be provided or the machine must be oper ated under an extractor hood 11 FRITSCH A DANGER Explosion hazard When Cutting oxidizable substances e g metals or coal there is a risk of spontaneous combustion du
32. le to leave the closing lid in the hinge If this is the case ensure that the closing lid does not lift out of the hinge when opening the upper part of the housing When opening the upper part of the housing there is an initial resistance Make sure that the closing lid is fully open CAUTION Crushing hazard If the closing lid is not completely open it can tip forward when the upper part of the housing is opened 14 FRITSCH A E When opening the upper part of the housing slowly swivel it open until the upper part of the housing is resting on the rubber bumper do not let it fall down heavily CAUTION Crushing hazard When closing the upper part of the housing Close care fully E After checking if the rotor is turning freely amp Checking if the rotor is turning freely on page 29 the required hexagon socket screw key must be removed immediately after the task is completed 2 8 Electrical safety 2 8 1 General information mM The switch on the back is a main switch BE Switch the main switch on the back of the Power cutting mill to O OFF if the device is idle for a longer period of time e g overnight 2 8 2 Protection against restart In the case of power failure during operation or after switching off with the control switch the closing lid is locked The lock is opened when power returns However for safety reasons the cutting mill does not restart
33. n the event the product must be sent to us or in the event that one of our specialist technicians is required to come to your site Any servicing done by persons not authorised by us and any use of parts that are not original FRITSCH accessories and spare parts will void the guar antee The guarantee period will neither extend nor will a new period of guar antee begin in the event that a claim is placed against the guarantee Please provide a detailed description of the type of error or the com plaint If no error description is enclosed we shall interpret the shipment as an assignment to remedy all recognisable errors or faults including those not covered by the guarantee Errors or faults not covered by the guarantee shall in this case be rectified at cost We recommend reading the operating manual before contacting us or your dealer in order to avoid unnecessary inconvenience Ownership of defective parts is transferred to us with the delivery of the replacement part the defective part shall be returned to us at buyer s expense NOTICE Please note that in the event that the device must be returned the device must be shipped in the original Fritsch packaging Fritsch GmbH denies all liability for any damage due to improper packaging packaging not from Fritsch Any enquiries must include a reference to the serial number imprinted on the type plate 50 _ FRITSCH 12 Exclusion of liability Before using t
34. ng unintention allyswitched back on Indicate repair work with warning signs Repair work may only be performed by specialised per sonnel Put safety equipment back into operation after mainte nance work 9 1 Checklist for troubleshooting Fault description Start button does not light up green START button has been pressed but mill does not start up Mill stops STOP button lights up red Comminution material is escaping Runs unevenly with strong vibrations Cause No mains connection Main switch at O OFF Incorrect direction of rotation Socket fuse is faulty Device fuse blown Closing lid not closed properly Collecting vessel not inserted correctly Lid of standard funnel not closed correctly Motor safety switch has trig gered Incorrect direction of rotation Too much comminution mate rial Material is extremely fine Rotor imbalance AG Remedy Plug in mains plug Switch main switch to ON Reverse two phases see amp Electrical connection on page 20 Check socket fuse Remove the housing and replace the fuse Clean contact surface close closing lid Insert collecting vessel correctly until the safety switch clicks in Close funnel lid correctly until the safety switch clicks in Motor safety switch see amp Overload of the cutting mill on page 36 Swap two phases in the mains plug see amp Electrical connection on page 20 Reduc
35. nto the device s interior Proceed as follows if the cable is jammed see circuit diagrams in the service manual Remove the cable bridge S4 at the terminals 2 and 2 1 E Connect the funnel cable to the released terminals 2 1 and 2 Fit the motor cover back on and screw it tight Connect the cutting mill to the mains again Set the main switch on the back of the device to I ON Check the functioning of the funnel The cutting mill may only start when the funnel lid is closed the mill has to switch off when the funnel lid is opened See 6 Pro tective equipmen on page 13 The device is now ready for operation again When filling and making downward movements with the plunger the operating noise must be observed The sound level is nearly identical to the load on the machine You can clearly hear from the pitch when the mill reduces speed due to overload Pulling the plunger out on time reduces the load on the mill and protects the rotor the fixed knives and the sieve cassette l NOTICE If the cutting mill is overloaded the motor protection switch switches the device off 1 p 2 p 3 p The red Stop button lights up to indicate overload Then proceed as follows Set the main switch on the back of the device to O OFF Disconnect the cutting mill from the mains remove the mains plug from the socket Allow the device to cool down 36 FRITSCH u 4 Unscrew the 3 sc
36. ombination designates contents and instructions for proper use of the machine in explosive areas or with explosive substances Ignoring information with this designation will result in serious or fatal injury DANGER This symbol and keyword combination designates contents and instructions for proper use of the machine with com bustible substances Ignoring information with this designa tion will result in serious or fatal injury WARNING This symbol and keyword combination points out a directly hazardous situation due to movable parts Ignoring infor mation with this designation can result in hand injuries WARNING This symbol and keyword combination points out a directly hazardous situation due to hot surfaces Ignoring informa tion with this designation can result in serious burn injuries due to skin contact with hot surfaces Safety information can refer to specific individual procedure instruc tions Such safety information is embedded in the procedure instructions so that the text can be read without interruption as the procedure is being carried out The keywords described above are used Example 1 gt Loosen screw 2 p CAUTION Risk of entrapment at the lid Close the lid carefully 3 Tighten screw 10 _ FRITSCH ER A Tips and recommendations U This symbol emphasises useful tips and recommendations as wells as information for efficient operation without ma
37. port pallet A E Compare the contents of the delivery with your order CAUTION Crushing hazard Always lift with 2 persons 4 3 Setting up CAUTION When lifting off at least 2 persons are required 19 FRITSCH A E 4 screws connect the cutting mill to the transport pallet Remove the 4 screws E Lift the cutting mill off the transport pallet 4 4 Ambient conditions WARNING Mains voltage The device may only be operated indoors The surrounding air may not carry any electrically con ductive dust Maximum relative humidity 80 for temperatures up to 31 C linearly decreasing down to 50 relative humidity at 40 C m The room temperature has to stay between 5 40 C E Altitudes up to 2000 m EB Degree of pollution 2 according to IEC 664 4 5 Electrical connection Before establishing the connection compare the voltage and current values stated on the type plate with the values of the mains system to be used CAUTION Ignoring the values on the type plate may result in damage to the electrical and mechanical components If the STOP button lights up red after connecting to a three phase power system and switching the main switch to ON the direction of rotation must be corrected To do this the two phases in the mains plug must be replaced 4 5 1 Adapting to the mains Changes to the connection voltage i e from 230 V 3 to 400 V 3 and or the connection
38. rews fastening the motor cover 5 Lift the motor cover off carefully 6 Press the blue Reset switch This must be set to H 7 _ Fit the motor cover back on and screw it tight 8 Connect the cutting mill again to the mains 9 Set the control switch on the back of the device to ON gt Start button lights up green The device is ready for operation IT FRITSCH A 7 Cleaning DANGER Mains voltage Before beginning with cleaning work disconnect the mains plug and protect the device against being unin tentionally switched back on Do not allow any liquids to flow into the device Indicate cleaning work with warning signs Put safety equipment back into operation after cleaning work 7 1 Housing The cutting mill can be wiped down with a damp cloth when it is switched off Disconnect the mains plug from the electricity 7 2 Cutting chamber Clean the cutting chamber with a vacuum cleaner and brush and with compressed air if necessary CAUTION Beware of dust exposure caused by cleaning with com pressed air Wear protective goggles 1 Set the main switch on the back of the device to ON 2 Unlock the latch clamp 3 Open the closing lid fully For cleaning this can be lifted carefully out of the hinge at an opening angle of 90 38 FRITSCH A 4 Slowly swivel open the upper part of the housing with the closing
39. rried out every time the rotor 3 is changed 295 FRITSCH A 6 1 3 Inserting changing a sieve cassette 6 1 3 1 Selecting the sieve cassette 6 1 4 Inserting changing the fixed knives 1 p 2 5 p Open the cutting mill see amp Opening the cutting mill on page 24 Pull out the sieve cassette to the front The rotor must not be removed If necessary use the pulling tool X 45 5550 10 to pull out the sieve cassette Insert the pulling tool into the two holes of the sieve cassette past the bends of the pulling tool While inserting the pulling tool move it slightly up and down If the sieve cassette is jammed remove the comminution material under the fixed knife on the left side of the housing with a screw driver Before pushing in the sieve cassette clean the cutting chamber thoroughly so that everything can be closed tightly again Close the cutting mill see Closing the cutting mill on page 29 Coarse material should be roughly crushed with the coarse 2 4 mm sieve and comminuted in the second work step with a fine sieve to the desired final fineness 1 p 2 p 3 Open the cutting mill see amp Opening the cutting mill on page 24 When inserting or changing the fixed knives the rotor and the sieve cassette must be removed see amp Inserting changing a rotor on page 24 and Inserting changing a sieve cassette on page 26
40. seceeeseceeeeeceeeeeeeees 20 4 6 Fastening the Power Cutting Mill ccccccsssseeeeeseseeeeeees 21 5 Initialstare UDe ee een 22 5 1 Before switching on for the first time uus2se seen 22 5 2 Switching ON euere 23 FRITSCH A 10 11 12 13 14 5 3 F NLLONCHECK neasccsnecasesmmcaytetuiociennoraiameneuietimmarnetaeeetutienmasaets 23 Dale SWIECHIME Olt anne 23 Using the device rennen 24 6 1 Preparing a comminution uesesesessesensnnensnnnnennnnnnenn nennen 24 6 1 1 Opening the cutting Mill cc eeccccsseeccsseeeeeeeeseeeeees 24 6 1 2 Inserting changing a rotor eeennnneeeeeeeennnnnneeeeennnnnnnnennnn 24 6 1 3 Inserting changing a sieve cassette 26 6 1 4 Inserting changing the fixed KNives ccccccceesseeeeeeees 26 6 1 5 Setting the gap width of the knives ccccceeeceeeeeeeees 28 6 1 6 Closing the cutting Mill ee ccceecceeseeeceeeeeeeeseeeeeeeees 29 6 1 7 Checking if the rotor is turning freely 29 6 2 Comminution procedure with standard funnel 30 6 3 Comminution procedure with the protected funnel 30 6 4 Converting from standard funnel to protected funnel 31 6 5 Converting from protected funnel to standard funnel 33 6 6 Overload of the cutting Mill eeeeccesseeeceeeeeeeeeeees 36 OT INNIS sites avers paca voici soairsaitsmesaease soreaadaneveueiaseiaensasarcoceuiauriacsanianees
41. st explosion if the share of fine particles exceeds a cer tain percentage When Cutting these kinds of sub stances special safety measures must be taken and the work must be supervised from a specialist The PULVERISETTE 25 is not explosion protected and is not designed to cutt explosive materials E Do not remove the information signs NOTICE Immediately replace damaged or illegible information signs E Unauthorised alteration of the PULVERISETTE 25 will void Fritsch s declaration of conformity to European directives and void the guar antee mM Only use the PULVERISETTE 25 when it is in proper working order as intended and in a safety and hazard conscious manner adhering to the operating manual In particular immediately rectify any malfunc tions that could pose a safety hazard m If after reading the operating manual there are still questions or problems please do not hesitate to contact our specialised per sonnel 12 2 6 Protective equipment FRITSCH A Protective equipment is to be used as intended and may not be disabled or removed All protective equipment is to be regularly checked for integrity and proper functioning The Power cutting mill has a comprehensive safety system 1 A safety switch monitors the closing of the closing lid during oper ation and prevents the Power cutting mill from starting up when the grinding chamber is open 2 There is a safety swit
42. varies depending on the particle feed size the hardness of the material and the sieve J size It is best to start with small quantities and increase them depending on the success of the com minution If the quantity is too large the cutting mill is in danger of becoming clogged 6 When the operating noise becomes quieter the comminution pro cedure is complete gt More comminution material can be added 6 3 Comminution procedure with the protected funnel 1 Switch the control switch on the back of the device to AUTO 2 Close the cutting mill see Closing the cutting mill on page 29 3 Push in the collecting vessel 30 FRITSCH A 4 5 6 5 5 Pull the sample pusher out fully Move the plunger into the lower position Open the funnel lid add some comminution material and close the lid again C The sample quantity varies depending on the particle J feed size the hardness of the material and the sieve p size It is best to start with small quantities and increase them depending on the success of the com minution Switch on the device gt press the green Start button see amp Switching on on page 23 Move the sample pusher down towards the plunger until the com minution material is in front of the plunger Slowly pull the plunger upwards and move the sample pusher fully downwards until the comminution material falls into the cutting chamber
43. wful acts or prescribed contractually by law or otherwise In no event shall the buyer be entitled to any compensation from Fritsch GmbH for any special direct indirect coincidental or consequential damage including but not limited to lost profits lost savings lost sales or financial loss of any kind or for compensation of third parties for downtimes for lost goodwill for damage to or replacement of equip ment and property for costs or restoration of materials or goods related to the product or the use of our products for other damage or injury to persons including fatal injuries or similar The above exclusion of lia bility is limited by mandatory liability as prescribed by laws or jurispru dence Liability for negligence is excluded in all cases No permission is given expressly implicitly or otherwise for the use of patents brands or other copyrights We also assume no liability for copy right infringements or infringements of the rights of third parties arising from the use of this product Neither compliance with this operating manual nor the conditions and methods used during installation operation use and maintenance of the product can be monitored by Fritsch GmbH Improper execution of the installation can result in property damage and thus endanger persons Therefore we assume absolutely no responsibility or liability for loss damage or costs that result from errors at installation improper opera tion or improper us
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