Pfeuffer 1520 9001 Operating Instructions Manual Download Page 7

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Operating Instructions

MILOMAT

laboratory mill

Revision 1

Page 7 of 32

Abbreviations in electrical engineering

1.5

Color abbreviations for the individual strands (conductors) of a cable according to DIN IEC 60757:

Color

Color abbreviations Color

Color abbreviations

Black

Violet

Brown

Gray

Red

White

Orange

Pink

Yellow

Turquoise

Green

Green-yellow GNYE

Blue

Conductor designations according to DIN VDE 0293-308:

Live conductor, phase (outer conductor)

Color abbreviations

Outer conductor 1

Outer conductor 2

Outer conductor 3

Neutral conductor

Protective earth conductor

GNYE

Designation

1.6

The information provided in these Operating Instructions applies only for the machine whose type

designation is specified on the title page.
The identification plate with the type designation is located on the machine housing (rear wall).
Correct information of type designation, serial number and year of manufacture is important for all

queries. This ensures fast processing.
Example of a Pfeuffer GmbH identification plate:

Pfeuffer GmbH

Tel. +49 9321 969-0

Flugplatzstraße 70

Fax +49 9321 969-50

97318 Kitzingen

www.pfeuffer.com

Milomat

S/N

00000000

Baujahr/YOM

0000

Spannung/Voltage

0000

Leistung/Power

0000

Made in Germany

Summary of Contents for 1520 9001

Page 1: ...Flugplatzstraße 70 97318 Kitzingen GERMANY Phone 49 9321 9369 0 Fax 49 9321 9369 50 E mail info pfeuffer com Revision 1 17 01 2017 Internet http www pfeuffer com Translation of the original Operating Instructions Operating Instructions Laboratory mill ...

Page 2: ...passing on or reproduction of this document and use and disclosure of its contents are prohibited unless expressly permitted We will claim compensation for damages All rights reserved with regard to the granting of patents utility models or designs DIN ISO 16016 Page 2 of 32 Revision 1 2017 Pfeuffer GmbH These Operating Instructions are a constituent part of the MILOMAT laboratory mill and must be...

Page 3: ...ensions and weight 13 3 2 Power supply 13 3 3 General data 13 4 Delivery transport and storage 14 4 1 Scope of delivery 14 4 2 Transport and packaging 14 4 3 Intermediate storage 14 4 4 Transport to the installation site by the customer 15 5 Installation and commissioning 15 5 1 Installation 15 6 Function 16 6 1 Overview 16 6 2 Sequence of functions 16 7 Operation 17 7 1 Sample preparation 17 7 2 ...

Page 4: ...oned purpose Using it for any other purpose or modifying it without the written consent of the Pfeuffer GmbH is not considered to be in compliance with the intended use The Pfeuffer GmbH shall not be liable for the resulting damage Damage caused by such an unintended use is at the sole risk of the operator The MILOMAT is allowed to be operated only if it is ensured that all the safety devices are ...

Page 5: ...e machinery DIN EN ISO 12100 2010 Machine safety General principles for design Risk assessment and risk reduction DIN EN 60204 1 2006 Machine safety electrical equipment of machines part 1 General requirements 2014 30 EU EU directive electromagnetic compatibility DIN EN 61000 6 2 2006 Electromagnetic compatibility Part 6 2 Generic standards Immunity standard for industrial environments DIN EN 6100...

Page 6: ...esult of its disregard Measure to ward off the hazard DANGER warns against a very dangerous situation that results in death or serious injuries WARNING warns against a dangerous situation that can potentially result in death or serious injuries CAUTION warns against a potentially dangerous situation that results in minor or moderate injuries NOTE warns against situations that are dangerous for the...

Page 7: ... BN L2 Outer conductor 2 BK L3 Outer conductor 3 GY N Neutral conductor BU PE Protective earth conductor GNYE Designation 1 6 The information provided in these Operating Instructions applies only for the machine whose type designation is specified on the title page The identification plate with the type designation is located on the machine housing rear wall Correct information of type designation...

Page 8: ... also serves as the EMERGENCY OFF function It is located on the front of the device Test Interval Method m FT The plug connection for the mains cable C19 C20 coupler is located at the rear panel see figure 1 In an emergency switch off the MILOMAT using the main switch position 0 Disconnect the mains cable from the electrical power supply or pull out the coupler Secure the mains cable appropriately...

Page 9: ... the motor to cool down sufficiently approximately 10 minutes Then press the black reset button item 2 on the rear panel Item Designation 1 Plug connection 2 Reset button Micro switch The cover of the milling chamber is protected by two micro switches These prevent opening during operation and starting with open milling chamber Test Interval Method See DGUV regulation 3 Operating and danger areas ...

Page 10: ... devices for the MILOMAT Monitoring compliance with the safety measures The frequency of the function tests described in chapter 8 2 must be complied with The work described in these operating instructions is configured in such a way that it is explained in the chapters Function and Operation for the operating personnel it is explained in the chapters Delivery Transport and storage Installation an...

Page 11: ...on regulations Electrical connections The MILOMAT is only allowed to be connected to a socket earthed in accordance with the regulations using a protective conductor Illuminance The owner must ensure that there is adequate and homogeneous illumination in all areas At least 300 lux is recommended maintained illuminance In Germany ASR A3 4 applies technical rules for workplaces lighting General safe...

Page 12: ...ive measures have been tested Residual dangers in connection with the MILOMAT 2 7 During all work on electrically operated components pay attention to dangers from electrical current Switch off procedure 2 8 DANGER Touching live parts can be fatal It is essential to comply with the following switch off procedure prior to cleaning maintenance or repair work only by specialist personnel Empty the MI...

Page 13: ...Power supply 3 2 Operating voltage frequency 230 VAC 50 Hz Power consumption 70 VA Number of phases 1 ph PE Protective earth conductor PE yellow green in the mains cable Internal fuse 315 mA slow blow glass microfuse 5 x 20 mm Mains cable With removable supply cable C19 C20 coupler 10 A 250 V Installation regulation Configured according to VDE General data 3 3 Ambient temperature storage and trans...

Page 14: ...d prior to dispatch however it is not possible to exclude the risk of damage during transport Incoming check Check for completeness with reference to the delivery note In case of damage Check the delivery for damage visual inspection In case of complaints If the delivery suffered damage in transit Keep the packaging to allow it to be checked subsequently by the forwarding company or for sending ba...

Page 15: ... neither is available any longer request new packaging from Pfeuffer GmbH 5 Installation and commissioning The installation and commissioning chapter is only intended for specialist operators Installation 5 1 Carefully unpack the laboratory mill MILOMAT see chapter 4 4 Place the MILOMAT level on a solid table with a smooth and clean surface Make sure there is an adequate distance to all sides so t...

Page 16: ...ill for agricultural cereals Fill a measuring beaker 0 02 l accessory moisture meter HE 60 90 with the cleaned sample Place the contents in the filling hopper The product trickles into the milling chamber by rotating the dosing knob The product is smashed between a standing and a rotating metal pin collar impact effect The milling material falls into the bottom part of the measuring cell of the mo...

Page 17: ...arge bean seeds can damage the MILOMAT Carrying out a milling process 7 2 Figure 4 Close the cover Close the cover of the milling chamber Pull the locking spindle forward and swing it to the left over the tab Figure 5 Put on outlet nozzle Place the bottom part of the measuring cell of the moisture meter HE 60 90 under the outlet Push the outlet nozzle downwards on the bottom of the measuring cell ...

Page 18: ...ed after some seconds Figure 7 Fill in product Fill in a measuring beaker 0 02 l into the filling hopper Figure 8 Empty filling hopper Slowly turn the dosing knob on the dosing feed backwards until the filling hopper is completely emptied Let the MILOMAT run until all grains are milled Switch off the MILOMAT by pressing the main switch position 0 Wait for the shutdown of the MILOMAT Figure 9 Open ...

Page 19: ...ng it briefly to the upper right Figure 12 Remove bottom part of the measuring cell Remove the bottom part of the measuring cell For detailed information on the product quantity and the measuring method please refer to the respective Operating Instructions of the moisture meter HE 60 90 CAUTION Overheating hazard The laboratory mill may not be used as a production machine or put into continuous op...

Page 20: ... sheet completely Place instead of the bottom part of the measuring cell the sample dividing cup under the outlet of the MILOMAT Push the outlet nozzle downwards Carry out the milling process with two filled measuring beaker as described in chapter 7 2 Push the outlet nozzle upwards after the milling process has finished Figure 14 Place the sample dividing cup under outlet Remove the sample dividi...

Page 21: ...ention regulations The times for carrying out cleaning and maintenance work are based on one shift working 8 hour day 22 days month 12 months year d Daily y Every three months w Weekly y Every six months m Monthly y Every year Cleaning 8 1 NOTE Do not use any sharp objects or tools for cleaning Only use objects that are expressly intended for this purpose During cleaning work wear personal protect...

Page 22: ...n place and legible by visual inspection X Electrical safety switches See DGUV regulation 3 Electrical test according to VDE See DGUV regulation 3 Working inside the housing 8 3 NOTE The warranty offered by Pfeuffer GmbH will be invalidated if the housing is opened Pfeuffer GmbH expressly points out that fitting spare parts and renewing wearing parts are procedures which require a certain level of...

Page 23: ... be connected to the protective earth conductor In this connection make sure that all original parts are reinstalled in the location intended for them No excessively long screws are used since these can cause short circuits or damage components inside the housing all grounding cables are reconnected and all screws are firmly tightened 8 3 1 Tools and equipment Before you start assembly prepare the...

Page 24: ...he locking spindle Figure 19 Push the locking spindle inwards Push the locking spindle inwards until it does not stick out of the housing anymore Figure 20 Open housing Unscrew the 7 housing mounting screws three clamping flange screws M3 x 8 on the sides and a lens head screw on the top Figure 21 Remove sealing profiles Place the MILOMAT on its side Use suitable pliers to pull out both sealing pr...

Page 25: ...the loose locking spindle as shown in figure 23 left in such a way that it can be pulled out from the front with a suitable pliers as shown in figure 23 right Figure 24 Assembly turning knob to locking spindle For the further assembly you perform the steps in reverse order Item Designation Item Designation 1 Yellow cap 4 Pressure spring 2 Counter sunk bolt M2 5 x 12 5 Turning knob 3 Spring holder ...

Page 26: ... tensioned Insufficient pretension leads to insufficient power transmission and premature wear caused by excessive slip whistling sound during operation Excessive pretension causes an unnecessary elongation on the V belt and causes a high load on the shaft and motor bearings The motor does not turn to the nominal speed or takes more time for it The belts of the MILOMAT are run in and their tension...

Page 27: ...ns head screws M3x8 and fan discs Figure 29 Insert the motor Insert the motor into the housing by placing it diagonally on the V belt Turn in the 4 motor fixing screws loosely hexagon socket screws M5x16 washers and spring washers Figure 30 Tension the V belt Tighten the V belt by moving the motor plate downwards The correct belt tension is reached when the belt can be pushed through approx 10 mm ...

Page 28: ...l may only be changed completely Disconnect the mains cable from the electrical power supply or pull out the coupler Figure 31 Dismantle the impact wheel Open the cover of the milling chamber Loosen the four countersunk head screws on the impact wheel Pull the impact wheel evenly out towards the front Figure 32 Clean the housing Clean the housing with a brush Insert the new impact wheel Fasten it ...

Page 29: ...5 Lens head screw M3x12 Checks 8 8 At the end of the work check the following The work carried out is complete Check the wiring in the housing for kinks chafing or charred points Damage on the covers or insulation Check that no tools have been left in or on the machine All subassemblies function correctly in setup or manual mode If all functions are correct the machine can be handed over to the ow...

Page 30: ...n Motor does not start No mains voltage Motor is overheated MILOMAT blocks milling material is in the milling chamber before the motor starts Electrical defective Have the mains voltage checked by an electrician and switched on Allow the motor to cool down and then press the black reset button on the rear panel of the MILOMAT Switch off the MILOMAT Remove milling material from the milling chamber ...

Page 31: ...e parts and non genuine accessories Standard parts can be obtained from the dealer Figure 34 Foam rubber ring milling chamber Foam rubber ring outlet Product Article number MILOMAT laboratory mill 1520 0700 Mains cable with removable connection C19 C20 coupler 2290 0100 Cleaning brush 3190 0027 Turning knob locking spindle 3134 2500 V belt 3121 2500 Plastic buffer self adhesive foot 3135 1500 Air ...

Page 32: ...rsonnel refer to the definition in chapter 2 4 Disconnect the mains plug before you start dismantling The MILOMAT must be disposed of in accordance with the applicable local environmental regulations waste electrical and electronic equipment directive 2012 19 EU Special waste Oil cleaning agents contaminated cleaning tools brush rags etc must be disposed of according to the local regulations and i...

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