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Fritsch premium PULVERISETTE 14 Operating Instructions Manual Download Page 37

8 

Maintenance

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

We recommend keeping a safety logbook 

Ä

 Chapter 13

‘Safety logbook’ on page 45, where all work (maintenance,

repairs......) performed on the device is entered.

The most important element of maintenance is regular

cleaning:

8.1  Intake filter

On the base of the PULVERISETTE 14 premium line, the intake area for

cool air entering the device is protected with a filter mat so that only rel-

atively dust-free cooling air is taken into the device.

NOTICE!
Maintenance of this filter mat is absolutely required. The

drive motor is not sufficiently cooled when the filter mat is

excessively soiled. This results in motor failure.

To check the filter mat, proceed as follows:

 

Maintenance

 

 

- 37 -

 

Summary of Contents for premium PULVERISETTE 14

Page 1: ...BLE SPEED ROTOR MILL PULVERISETTE 14 premium line Operating instructions Valid starting with 14 40X0 0001 Read the instructions prior to performing any task Translation of the original operating instructions ...

Page 2: ...Version 11 2015 Index 000 Fritsch GmbH Milling and Sizing Industriestraße 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 ...

Page 3: ...meinschaft e V 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 Certification CE Conformity Certifications and CE conformity 3 ...

Page 4: ...trical safety 16 2 8 1 General information 16 2 8 2 Protection against restart 16 2 8 3 Overload protection 16 3 Technical data 17 3 1 Dimensions 17 3 2 Weight 17 3 3 Operating noise 17 3 4 Voltage 17 3 5 Current consumption 17 3 6 Power consumption 17 3 7 Electrical fuses 17 3 8 Material 18 3 9 Final fineness 18 4 Installation 19 4 1 Transport 19 4 2 Unpacking 19 4 3 Scope of delivery 20 4 4 Sett...

Page 5: ...ree or metal free grinding ele ments 31 6 8 Continuous feeding of source material 32 6 9 Grinding with the impact bar insert 33 6 10 Factors with an impact on grinding 34 6 11 Control panel 35 7 Cleaning 36 7 1 Device 36 7 2 Grinding chamber 36 8 Maintenance 37 8 1 Intake filter 37 9 Repairs 39 10 Disposal 40 11 Guarantee terms 41 12 Exclusion of liability 43 13 Safety logbook 45 14 Index 46 Table...

Page 6: ...1 Basic structure 1 Display 2 Funnel 3 Hood 4 Rotor 5 Sieve insert 6 Labyrinth disk 7 Main switch 8 Collecting vessel lid 9 Collecting vessel 10 Rotor holder 11 Lock pin Basic structure 6 ...

Page 7: ...erience and training as well as their knowledge of relevant standards regulations accident prevention guidelines and oper ating 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 ...

Page 8: ...ter embrittlement with liquid nitrogen Synthetic resins Foils Plastics PVC PP PE The extremely high speed PULVERISETTE 14 premium line enables the comminution of temperature sensitive ductile or plastic samples By simultaneously adding liquid nitrogen samples that are extremely diffi cult to mill such as soft PVC foils can be made fine enough for analysis For iron free grinding the rotor and sieve...

Page 9: ... the mill to always feed the right amount of sample for optimal comminution If the amount of source material is too large the feeder is automatically decelerated 2 2 2 Speed control By tapping the number field in the Speed menu item the rotational speed can be preset to between 6000 22000 rpm in increments of 1000 and in this way be optimally adapted to the requirements of the grinding of the samp...

Page 10: ...t from errors at instal lation 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 2 4 Information on hazards and symbols used in this manual Safety information in this manual ...

Page 11: ...ubstances 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 ...

Page 12: ...tion for efficient operation without mal function To emphasise procedure instructions results lists references and other elements the following designations are used in this manual Designation Explanation 1 2 3 Step by step procedure instructions ð Results of steps in the procedure References to sections in this manual and rele vant documentation Lists without a specific order Button Operating ele...

Page 13: ...relevant safety guidelines must be observed if necessary ventilation must be provided or the machine must be oper ated under an extractor hood DANGER Explosion hazard When Comminution oxidizable substances e g metals or coal there is a risk of spontaneous combustion dust explosion if the share of fine particles exceeds a cer tain percentage When Comminution these kinds of substances special safety...

Page 14: ...l 2 6 Protective equipment 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 For start up the housing cover 9 must be closed The housing cover is locked n without mains connection n during operation The mill does not start up if n no labyrinth disk has been inserted n no collect...

Page 15: ...nd it can now be opened man ually 5 Put down the device The emergency release will be reset auto matically during the next locking cycle 2 7 Hazardous points WARNING Crushing hazard when closing the housing cover Crushing hazard when removing and positioning the collecting vessel The collecting vessel can become very hot Never operate the device without a sieve ring Cutting hazard at the grinding ...

Page 16: ...ing cover is opened when the power returns For safety reasons however the PUL VERISETTE 14 premium line does not restart 2 8 3 Overload protection The power consumption is permanently monitored The monitor switches off the motor after a continuous overload To rectify the mal function switch off the PULVERISETTE 14 premium line and remove the blockage Afterwards switch the device back on and start ...

Page 17: ...75 9 dB A 3 4 Voltage n Device 14 4020 00 200 240 V 1 n Device 14 4030 00 200 230 V 3 Transient overvoltages in accordance with overvoltage category II are permitted 3 5 Current consumption The maximum current consumption briefly reaches approx 10 9 A 14 4020 00 and 6 3 A 14 4030 00 3 6 Power consumption Depending on the load the PULVERISETTE 14 premium line will reach a power consumption of appro...

Page 18: ... n Maximum feeding amount when using the pan 200 ml n Maximum feeding amount when using the filter sack 1000 ml 3 9 Final fineness The achievable final fineness depends largely on the sample properties and the grinding element used Technical data 18 ...

Page 19: ...nd by qualified personnel The guarantee excludes all claims for damage due to improper transport 4 2 Unpacking n Pull out the 4 nails that fasten the lid to the surrounding packaging n Remove the lid n Take out the accessories and the foam parts n Then lift the device out of the wooden crate n Compare the contents of your delivery with your order Please store the transport packaging so that it can...

Page 20: ...ys lift with 2 persons Hold the bottom edge of the housing when lifting NOTICE Never operate PULVERISETTE 14 premium line while it is standing on the transport pallet NOTICE Make sure the air outlet on the rear ventilation grate is not obstructed Risk of overheating Place the PULVERISETTE 14 premium line on a flat stable surface It does not have to be fastened to this surface The rubber feet on th...

Page 21: ... 5 and 40 C n Altitudes up to 2000 m n Degree of pollution 2 according to IEC 60664 1 2007 4 6 Electrical connection DANGER Provide short circuit protection Risk of damage due to short circuits Make sure that the socket is connected to a mains line protected with a residual current circuit breaker DANGER Mains voltage Changes to the connection line may only be made by a qualified person CAUTION Ig...

Page 22: ...ch mills are speed controlled The devices are equipped for this with frequency converters In order to comply with the EMC directive many measures must be taken to pre vent operational transient emissions The possible leakage currents resulting from filtering meas ures can trigger a conventional residual current circuit breaker in the mains line This is no defect To prevent this special residual cu...

Page 23: ... the touchscreen n Manually turn the hood to the side n Insert labyrinth disk collecting vessel rotor sieve insert and lid of the collecting vessel n Reposition the hood over the grinding element n Close housing cover with the Close hood button on the touchscreen n On the control panel set the speed to 6000 rpm and press START n The housing cover is locked electrically and the mill runs at the pre...

Page 24: ...ury WARNING Wear safety gloves The collecting vessel and the grinding elements can become very hot after grinding Grinding elements such as rotors sieves and the collecting vessel can have sharp edges For cleaning wear gloves that are safe and without defect To avoid cutting hazards from sieve rings use sieves with reinforced edges as standard These do not have any sharp metal edges CAUTION When g...

Page 25: ... feed it to the device 6 1 Rotors The rotors are made of special hardened stainless steel the 12 rib rotor is available as special accessory made of pure titanium for iron free grinding 6 rib rotor The rotor with 6 ribs enables fast fine grinding for materials with a par ticle feed size 10 mm maximum length 15 mm or fibrous material Order no 14 4330 10 for stainless steel Order no 14 4434 32 for p...

Page 26: ...ilable see the service manual Typically the final fineness of the source material is smaller than the per foration diameter set by the sieve ring In normal cases use the sieve ring with trapezoidal perforation with the direction arrow on it pointing upwards With this setting some particles in the source material may be longer than as specified by the perforation diameter If a large share of fine p...

Page 27: ...hould easily glide onto the motor shaft 10 and after being placed on the shaft it should easily be turned by the cylinder pin to the left and right up to the stops apply some oil if necessary 4 Slide the sieve ring 4 over the rotor 5 and place it on the O ring 7 of the labyrinth disk When inserting the sieve ring rotate it until it slides into the two cylinder pins of the labyrinth disc 5 Seal clo...

Page 28: ...m line at the main switch on the front 2 By tapping on the Speed button the Parameters window opens 3 Enter the desired speed and duration for the grinding process 4 Press the Back button to return to the main screen 5 After pressing the Start button the grinding chamber is locked and the PULVERISETTE 14 premium line starts up 6 Wait until the mill has ramped up to the set speed 7 Fill small amoun...

Page 29: ...essel 6 If source material falls downward it does not directly enter the device however this should immediately be vacuumed away with a vacuum cleaner Ä Cleaning on page 36 after removing the sample 2 Remove collecting vessel 6 with the sample 3 Use a vacuum cleaner to vacuum away the residual source mate rial 4 Remove sieve ring 4 and rotor 5 It is important to remove the sieve ring 4 and rotor 5...

Page 30: ... before milling and then feeding the material into the funnel in very small quantities e g with a spoon spatula CAUTION Wear safety goggles and suitable safety gloves when using liquid nitrogen When milling larger amounts 20 g with external cooling always use the conversion kit Dry ice solid carbon dioxide can also be used for cooling Keep in mind that the surface of dry ice often contains frozen ...

Page 31: ...keep in mind that the hardness and abrasion resistance of titanium is signifi cantly lower than that of the hardened special steel The Teflon coating of the collecting vessel and lid also has reduced abrasion resistance Ä Scope of application on page 8 The inner funnels and made of stainless steel may not be used Installing and removing the grinding elements Carry out the installation and removal ...

Page 32: ... at nominal load the sample flow is resumed The flow of source material on the feeder is regulated via the PULVERI SETTE 14 premium line The flow of the source material out of the funnel onto the channel of the LABORETTE 24 channel has to be adjusted according to the flow proper ties of the source material n Set the distance between the funnel and the channel by changing the height of the funnel s...

Page 33: ...tly lower If an existing rotor will be used only the impact bar and a matching sieve ring need to be ordered Only sieve rings without a reinforced edge may be used for grinding with the impact bar insert The handling of the impact bar insert is the same as for the standard grinding elements see Ä Installing the grinding elements on page 27 Ä Removing the grinding elements on page 29 and Ä Conducti...

Page 34: ... on the mill increase exponentially with increasing speed The smaller the perforation of the sieve the slower the sample has to be fed and the longer the milling time The noise level decreases with finer perforation Effective cooling e g by using the source material exhaust always has benefits for grinding and mill The use of the various rotors depends on the consistency of the samples potential t...

Page 35: ...e button you can select if the set grinding time is to be measured in minutes or seconds When the min mode shows this has been set to minutes When the sec mode shows it has been set to seconds Stopwatch When the stopwatch is activated the time required for the grinding process is stopped when the grinding process is started When Stopwatch has been activated in the parameter set tings the time unit...

Page 36: ... variable speed rotor mill Residual source material beneath the labyrinth disk or in the area around the motor mount must be carefully and completely vacuumed away if necessary use a brush or vacuum cleaner brush for the final touch up The collecting vessel rotor sieve and labyrinth disk should be thor oughly cleaned outside of the variable speed rotor mill they may be brushed off when wet or clea...

Page 37: ... Safety logbook on page 45 where all work maintenance repairs performed on the device is entered The most important element of maintenance is regular cleaning 8 1 Intake filter On the base of the PULVERISETTE 14 premium line the intake area for cool air entering the device is protected with a filter mat so that only rel atively dust free cooling air is taken into the device NOTICE Maintenance of t...

Page 38: ...using 2 Loosen the 4 hexagon screws holding the filter mat 3 Remove the filter mat and rinse it under running water Thor oughly dry the filter mat before remounting it If the filter mat is heavily soiled or damaged replace it with a new one Order no 14 4103 00 Maintenance 38 ...

Page 39: ...nplug the mains plug and protect the device against being unintention ally switched 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 Repairs 39 ...

Page 40: ... 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 FRI...

Page 41: ... 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 n 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 disk...

Page 42: ...nt 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 defe...

Page 43: ...y 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 products 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 informatio...

Page 44: ...ons 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 thir...

Page 45: ...13 Safety logbook Date Maintenance Repair Name Signature Safety logbook 45 ...

Page 46: ...30 with impact bar insert 33 with metal free grinding elements 31 Grinding stock continuous feeding 32 Guarantee terms 41 I Influencing factors Cooling 34 sieve perforation size 34 Source material feed rate 34 Speed 34 Initial start up 23 M Maintenance 37 Materials Feed quantity 18 Feed size 18 O Operating noise level 17 P Power consumption 17 R Requirements for the user 7 Rotor 25 S Safety inform...

Page 47: ......

Page 48: ... 2015 Fritsch GmbH Milling and Sizing Industriestraße 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 ...

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