Retsch BB 50 User Manual

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Manual

Jaw Crusher BB50

Translation

1 Notes on the Operating Manual ............................................................................................................ 6

1.1 Explanations of the safety warnings .................................................................................................. 7

1.2 General safety instructions ................................................................................................................ 8

1.3 Repairs ............................................................................................................................................... 9

2 Confirmation ......................................................................................................................................... 10

3 Technical data ....................................................................................................................................... 11

3.1 Use of the machine for the intended purpose.................................................................................. 11

3.1.1 Properties of the grinding material ............................................................................................... 11

3.2 Working instructions ........................................................................................................................ 12

3.3 Protective equipment ....................................................................................................................... 13

3.4 Emissions......................................................................................................................................... 13

3.5 Degree of protection ........................................................................................................................ 13

3.6 Motor rotation speed ........................................................................................................................ 13

3.7 Receptacle volume .......................................................................................................................... 13

3.8 Feed size ......................................................................................................................................... 13

3.9 Rated power .................................................................................................................................... 13

3.10 Dimensions and weight .................................................................................................................... 14

3.11 Required floor space ........................................................................................................................ 14

4 Transport, scope of delivery, installation .......................................................................................... 15

4.1 Packaging ........................................................................................................................................ 15

4.2 Transport.......................................................................................................................................... 15

4.3 Temperature fluctuations and condensed water ............................................................................. 15

4.4 Conditions for the place of installation ............................................................................................. 15

4.5 Electrical connection ........................................................................................................................ 16

4.6 Type plate description ...................................................................................................................... 16

4.7 Removing Transport Saf eg uards ..................................................................................................... 17

4.8 Removing the transport safeguard .................................................................................................. 18

4.9 Installation of the machine ............................................................................................................... 18

5 Operating the machine ........................................................................................................................ 19

5.1 Views of the Instrument ................................................................................................................... 19

5.2 Overview table of the parts of the device ........................................................................................ 21

5.3 Operating elements and displays .................................................................................................... 22

5.4 Overview Table of the Operating Elements and the Display ........................................................... 22

5.5 Switching On and Off ....................................................................................................................... 23

5.6 Setting the gap width to zero position .............................................................................................. 23

5.7 Setting the gap width ....................................................................................................................... 24

5.8 Reverse grinding .............................................................................................................................. 25

5.9 Setting the Speed ............................................................................................................................ 25

5.10 Starting the grinding process ........................................................................................................... 26

5.11 Stopping the grinding process ......................................................................................................... 26

5.12 Sample receptacle ........................................................................................................................... 27

6 Safety functions and fault display ...................................................................................................... 27

6.1 Fault messages ............................................................................................................................... 27

7 Cleaning, wear and service ................................................................................................................. 28

7.1 Cleaning ........................................................................................................................................... 28

7.1.1 Removing the feed hopper .......................................................................................................... 28

7.1.2 Removing the splash-back protection ......................................................................................... 29

7.1.3 Removing the grinding chamber cover ........................................................................................ 29

7.2 Service ............................................................................................................................................. 29

7.2.1 Replacing the breaking jaws ........................................................................................................ 29

7.2.2 Replacing the front breaking jaw ................................................................................................. 30

7.3 Wear ................................................................................................................................................ 33

7.3.1 Resetting the wear alert ............................................................................................................... 33

7.3.1.1 Setting the operating time until the calibration alert is displayed ......................................... 33

8 Disposal ................................................................................................................................................. 35

9 Index – Verzeichnis .............................................................................................................................. 36

Anhang .................................................................................................................................... folgende Seiten

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1 0BNotes on the Operating Manual

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This operating manual is a technical guide on how to operate the device safely and it contains all the information required for the areas specified in the table of contents. This technical documentation is a reference and instruction manual. The individual chapters are complete in themselves.

Familiarity (of the respective target groups defined according to area) with the relevant chapters is a precondition for the safe and appropriate use of the device.

This operating manual does not contain any repair instructions. If faults arise or repairs are necessary, please contact your supplier or get in touch with Retsch GmbH directly.

Application technology information relating to samples to be processed is not included but can be read on the Internet on the respective device’s page at

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www.retsch.com.

Changes

Subject to technical changes.

Disclosure or reproduction of this documentation, use and disclosure of its contents are only permitted with the express permission of Retsch GmbH.

Infringements will result in damage compensation liability.

WARNING

Type of danger / personal injury

CAUTION

Type of danger / personal injury

CAUTION

NOTICE

Nature of the property damage

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1.1 9BExplanations of the safety warnings

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In this Operating Manual we give you the following safety warnings

Serious injury may result from failing to heed these safety warnings. We give you the following warnings and corresponding content.

Source of danger – Possible consequences if the dangers are not observed.

• Instructions on how the dangers are to be avoided.

We also use the following signal word box in the text or in the instructions on action to be taken:

WARNING

Moderate or mild injury may result from failing to heed these safety warnings.

We give you the following warnings and corresponding content.

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Source of danger – Possible consequences if the dangers are not observed.

• Instructions on how the dangers are to be avoided.

We also use the following signal word box in the text or in the instructions on action to be taken:

In the event of possible property damage we inform you with the word “Instructions” and the corresponding content.

Source of property damage – Possible consequences if the instructions are not observed.

• Instructions on how the dangers are to be avoided.

We also use the following signal word in the text or in the instructions on action to be taken:

NOTICE

CAUTION

Read the Operating Manual

CAUTION

Changes to the machine

NOTICE

Changes to the machine

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1.2 10BGeneral safety instructions

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Non-observance of these operating instructions – The non-observance of these operating instructions can

result in personal injuries.

• Read the operating manual before using the device.

• We use the adjacent symbol to draw attention to the necessity of knowing the contents of this operating manual.

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Target group : All persons concerned with the machine in any form This machine is a modern, high performance product from Retsch GmbH and

complies with the state of the art. Operational safety is given if the machine is handled for the intended purpose and attention is given to this technical

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documentation. You, as the owner/managing operator of the machine, must ensure that the people

entrusted with working on the machine:

• have noted and understood all the regulations regarding safety,

• are familiar before starting work with all the operating instructions and specifications for the target group relevant for them,

• have easy access always to the technical documentation for this machine,

• and that new personnel before starting work on the machine are familiarised with the safe handling of the machine and its use for its intended purpose, either by verbal instructions from a competent person and/or by means of this technical documentation.

Improper operation can result in personal injuries and material damage. You are responsible for your own safety and that of your employees. Make sure that no unauthorised person has access to the machine.

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– Changes to the machine may lead to personal injury.

• Do not make any change to the machine and use spare parts and accessories that have been approved by Retsch exclusively.

– The conformity declared by Retsch with the European Directi ves w ill lose

its validity.

– You lose all warranty claims.

• Do not make any change to the machine and use spare parts and accessories that have been approved by Retsch exclusively.

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1.3 11BRepairs

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This operating manual does not contain any repair instructions. For your own safety, repairs may only be carried out by Retsch GmbH or an authorized representative or by Retsch service engineers.

In that case please inform:

The Retsch repr es e ntative in your country

Your supplier

Retsch GmbH directly

Your Service Address:

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2 1BConfirmation

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This operating manual contains essential instructions for operating and maintaining the device which must be strictly observed. It is essential that they be read by the operator and by the qualified staff responsible for the device before the device is commissioned. This operating manual must be available and accessible at the place of use at all times.

The user of the device herewith confirms to the managing operator (owner) that (s)he has received sufficient instructions about the operation and maintenance of the system. The user has received the operating 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. As the owner/managing operator you should for your own protection have your employees confirm that they have received the instructions about the operation of the machine.

I have read and taken note of the contents of all chapters in this operating

manual as well as all safety instructions and warnings.

User

Surname, first name (block letters)

Position in the company

Signature

Service technician or operator

Surname, first name (block letters)

Position in the company

Place, date and signature

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NOTICE

Area of use of the machine

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3 2BTechnical data

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3.1 12BUse of the machine for the intended purpose

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Target group: Operating company, operator

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Name of machine model: BB 50 The jaw crusher has been specially developed for sample preparation in the

laboratory. It is used for the fast and gentle grinding and pre-crushing of medium-hard, hard,

brittle and tough materials. The final fineness that can be achieved can be up to 0.5 mm or below depending

on the feed material. The maximum feed size is 40 mm. Materials that can be ground in the BB 50 include the following:

3.1.1

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48BProperties of the grinding material

Bakelite Bauxite Basalt Concrete building

materials Dolomite Ores Feld spar Granite

Glass Limestone Ceramic Gravel Boneblack Coke Corundum Alloys Oxide ceramic minerals

Quartz Salts Fireclay Slag Silicate Silicon Sintered material Stones Cement clinker

Rubblestone

In principle every hard and brittle grinding material with hardness grade >3 according to the Mohs scale can be ground using this machine.

Damp, greasy grinding material and grinding material with a hardness grade <3 according to Mohs tends to compact or cake in the crushing chamber under the applied pressure. Grinding these products by fracturing and applying pressure is not possible.

Small sample quantities are ground gently and without loss. This machine is available with a grinding chamber made from ceramic materials for heavy metalfree grinding. The digital grinding gap display and the zero point alignment of the machine enable reproducible grinding results.

– This machine is a laboratory machine designed for 8-hour single-shift

operation.

• This machine may not be used as a production machine nor is it intended for continuous operation.

2BTechnical data

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3.2 13BWorking instructions

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Fig. 1: Diagram of grinding The grinding process in this machine takes place using pressure. The grinding chamber (T) is funnel-shaped and narrows to the outlet opening (TA)

depending on the set gap width. The gap width setting is infinitely adjustable. The machine has a stationary crusher arm (RB) connected to the gap width

adjustment (D) and a mobile crusher arm (SB). Replaceable breaking jaws are attached to both crusher arms, between which the grinding takes place by means of pressure.

The eccentric movement of the actuated crusher arm (550...950/min) produces a constant conveying of the grinding material until the final fineness has been achieved that enables it to pass through the set gap (TA). It is then collected in a removable collecting receptacle (E).

The convex shape of the replaceable breaking jaws made from different materials ensures the best possible fine grinding and at the same time prevents material compaction and a bridging effect.

2BTechnical data

BS A B

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3.3 14BProtective equipment

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Fig. 2: Protective devices The machine is equipped with the following protective devices:

A: Splash-back protection B: Fill hopper BS: Switch for fill hopper

ES: Switch for drawer

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3.4 15BEmissions

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Noise measurement During grinding depending on the sample material: – approx. 86,1 dB (A) without sample (speed 950 rpm)

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– approx. 88,6 dB (A) with marble break (speed 650 rpm)

3.5 16BDegree of protection

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– IP20

3.6 17BMotor rotation speed

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The motor speed is 550...950min

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550 - 600 - 650 - 700 - 750 - 800 - 850 - 900 - 950min

3.7 18BReceptacle volume

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The collection volume is < 3 l.

Prevents sample ejection Protects against reaching inside the machine Checks position of the fill hopper and switches the

drive off Checks drawer position

-1

and can be adjusted in increments of 50.

-1

3.8 19BFeed size

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3.9 20BRated power

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The maximum feed size is 40mm.

– 200-240 V: 1150W, 2 x 8A

2BTechnical data

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3.10 21BDimensions and weight

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When closed: Height: 463 mm Width: 421 mm Depth: 607 / 562 mm Weight: approx. 76 kg

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Fig. 3: Dimensions

3.11 22BRequired floor space

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607 mm (+ space for power plug) x 421 mm

- no safety distance necessary

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Space is required in front of the machine to pull the drawer out.

Transport, scope of delivery, installation

NOTICE

Storage of packaging

NOTICE

Transport

NOTICE

Temperature fluctuations

NOTICE

Ambient temperature

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4 Transport, scope of delivery, installation

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4.1 23BPackaging

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4.2 24BTransport

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The packaging has been adapted to the mode of transport. It complies with the generally applicable packaging guidelines.

– In the event of a complaint or return, your warranty claims may be

endangered if the packaging is inadequate or the machine has not been secured correctly.

• Please keep the packaging for the dura tion of the warranty period.

– Mechanical or electronic components may be damaged.

• The machine may not be knocked, shaken or thrown during transport.

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4.3 25BTemperature fluctuations and condensed water

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The machine may be subject to strong temperature fluctuations during transport (e.g. aircraft transport)

– The resultant condensed water may damage electronic components.

• Protect the machine from condensed water.

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4.4 26BConditions for the place of installation

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Ambient temperature: 5°C to 40°C

– Electronic and mechanical components may be damaged and the

performance data alter to an unknown extent.

• Do not exceed or fall below the permitted temperature range of the machine (5°C to 40°C / ambient temperature).

Atmospheric humidity: Maximum relative humidity 80% at temperatures up to 31°C, decreasing linearl y up

to 50% relative humidity at 40°C

Transport, scope of delivery, installation

NOTICE

Atmospheric humidity

WARNING

NOTICE

Installation of the machine

1 2 3

4 5 6 7 8

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– Electronic and mechanical components may be damaged and the

performance data alter to an unknown extent.

• Do not exceed the admissible range for atmospheric humidity.

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4.5 27BElectrical connection

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When connecting the power cable to the mains supply, use an external fusethat complies with the regulations applicable to the place of installation .

• Please check the type plate for details on the necessary voltage and frequency for the device.

• Make sure the levels agree with the existing mains power supply.

• Use the supplied connection cable to connect the device to the mains power

Pos: 7.16 /0025 War nhinweis e/H 0008 HINW EI S Elektrisc h er Ans chluss @ 0\ mod_1228918882424_9.docx @ 4781 @ @ 1

supply.

Electrical connection

– Mechanical or electronic components may be damaged.

• Please observe the information on the type plate.

Pos: 7.17 /0 025 Warnhi nweise/H 0002 HINW EIS Aufst ellung Zug ang Gerät esteckdose @ 0\mod_1233836960983_9.docx @ 5820 @ @ 1

– It must be possible to disconnet the machine from the mains at any time.

• Install the machine such that the connection for the mains cable is easily accessible.

Pos: 7.18.1 /0020 Über schriften /1.1 Über schriften/ 1.1 Übers chriften B DA/11 Typ enschild B eschreib ung @ 3\mod_1280933953941_9.docx @ 22302 @ 2 @ 1

4.6 28BType plate description

Pos: 7.18.2 /0005 RET SCH/0099 R ETSCH S tandard Ka pitel/Gen eral Modul Typenschi ld @ 3\mod_1280931092443_9.docx @ 22278 @ @ 1

Fig. 4: Type plate lettering 1 Device designation

Transport, scope of delivery, installation

B R E P G

2 Year of production 3 Part number 4 Serial number 5 Manufacturer’s address 6 CE marking 7 Disposal label 8 Bar code 9 Power version 10 Mains frequency 11 Capacity 12 Amperage 13 Number of fuses 14 Fuse type and fuse strength In the case of questions please provide the device designation (1) or the part

Pos: 7.19 /0 020 Übers chriften/ 1.1 Übersc hriften/1. 1 Überschr iften BDA /11 Trans porthilfe entferne n @ 0\mod_1229076673566_9.docx @ 5020 @ 2 @ 1

number (3) and the serial number (4) of the device.

4.7 29BRemoving Transport Safeguards

Pos: 7.20 /0005 RETSCH/0005 RETSCH Bedienungsanleitungen Kapi telsamml ungen/BB5 0/0006 Ver packung, T ransport und Aufs tellung/00 05 BB50 Mo dul Trans porthilfe entfernen @ 5\mod_1345721568835_9.docx @ 34508 @ @ 1

Fig. 5: Carrying the machine - preparation

• Before installing the carry support, remove the hopper (B) and the grinding room cover (P). (see chapter Cleaning  removing the fill hopper / removing the splash-back protection)

• Before carrying the machine, remove the bolt (G), the crusher arm (R) and the drawer (E) to make the machine lighter. (see chapter Servicing  replacing the breaking jaws)

Transport, scope of delivery, installation

22.04.2014

Fig. 6: Mounting the transport aid

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• Fix the two transport aids (W) using screws (WS) to the machine.

4.8 30BRemoving the transport safeguard

Pos: 7.22 /0 005 RETSC H/0005 R ETSCH Bedi enungsanl eitungen Kapitelsa mmlungen/B B50/0006 Verpacku ng, Transp ort und A ufstellung/ 0010 BB50 Modul Tra nsportsic herung ent fernen @ 5\mod_1357546736532_9.docx @ 37050 @ @ 1

Fig. 7: Removing the transport lock The machine is secured by steel plates on both sides.

• Remove the two screws (TS).

Pos: 7.23 /0 020 Übers chriften/ 1.1 Übersc hriften/1. 1 Überschr iften BDA /11 Aufst ellen des G erätes Re tsch @ 0\ mod_1226498849756_9.docx @ 3464 @ 2 @ 1

• Pull the transport lock (TB) out sideways.

4.9 31BInstallation of the machine

Pos: 7.24 /0 005 RETSC H/0099 R ETSCH Sta ndard Kapi tel/General Modul A ufstellung shöhe @ 0 \mod_1228918538349_9.docx @ 4724 @ @ 1

Pos: 8 /000 5 RETSCH/0 005 RETSC H Bedien ungsanleit ungen Kapi telsamml ungen/------- Seiten umbruch ----------- @ 0\mod_1222344373758_0.docx @ 2386 @ @ 1

Installation height: maximum 2000 m above sea level

Operating the machine

D E B A C G F

H,K,L

M N O

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5 Operating the machine

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5.1 32BViews of the Instrument

Pos: 9.3 /00 05 RETSCH /0005 RET SCH Bedie nungsanl eitungen K apitelsa mmlungen/B B50/0007 Bedienung/000 5 BB50 Modul Ansichten des Gerätes @ 5\mod_1345555394077_9.docx @ 34280 @ @ 1

Fig. 8: Front view

Fig. 9: Rear view

Operating the machine

P R G

22.04.2014

S E D

Fig. 10: Machine partially open

Pos: 9.4 /00 05 RETSCH /0005 RET SCH Bedie nungsanl eitungen K apitelsa mmlungen/------- Seit enumbruc h ----------- @ 0\mod_1222344373758_0.docx @ 2386 @ @ 1

Operating the machine

22.04.2014

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5.2 33BOverview table of the parts of the device

Pos: 9.6 /00 05 RETSCH /0005 RET SCH Bedie nungsanl eitungen K apitelsa mmlungen/B B50/0007 B edienung /0006 BB50 M odul Üb ersichtst abelle Ger äteteile @ 5\mod_1345618254846_9.docx @ 34290 @ @ 1

Element Description Function

A B C D E F G H

L M

Splash-back protection Prevents sample ejection Fill hopper Receives the grinding material Release handle Releases the folding hopper Hand wheel with folding handle Setting the gap width Drawer Receives the ground sample material Operator panel and display (see below) Bolt for front crusher arm Holds the front crusher arm On and off switch Disconnects the controller from or connects it to the

mains.

Machine fuse Overload protection. Disconnects the motor from

the mains in the event of overload. Mains connection Connection for power supply Warning sign Caution electric shock! Housing may only be

opened by trained staff. Pull the mains plug before

servicing! Instruction to read the operating

manual

Read the operating manual before putting into

operation!

O P

Pos: 9.7 /00 05 RETSCH /0005 RET SCH Bedie nungsanl eitungen K apitelsa mmlungen/------- Seit enumbruc h ----------- @ 0\mod_1222344373758_0.docx @ 2386 @ @ 1

Type plate Machine designation Grinding chamber cover Dirt protection, dust protection Front crusher arm (shown partially

Support for front breaking jaw pulled out)

Rear crusher arm (hidden) Support for rear breaking jaw

Operating the machine

22.04.2014

Pos: 9.8 /00 20 Übersc hriften/ 1.1 Übersc hriften/1.1 Überschr iften BDA/ 11 Bedien elemente und Anzeig en Retsch @ 0\mod_1226566557086_9.docx @ 3543 @ 2 @ 1

5.3 34BOperating elements and displays

Pos: 9.9 /00 05 RETSCH /0005 RET SCH Bedie nungsanl eitungen K apitelsa mmlungen/BB50/0007 Bedienung/0007 BB50 Modul Ansichten des Bedienfeldes @ 5\mod_1345621570910_9.docx @ 34300 @ @ 1

Fig. 11: View of the operator panel and displays

Pos: 9.10 /0 020 Übers chriften/ 1.1 Übersc hriften/1. 1 Überschr iften BDA /11 Übersi chtstabel le der Be dieneleme nte und der Anzeige @ 0\mod_1228990697273_9. docx @ 4978 @ 2 @ 1

5.4 35BOverview Table of the Operating Elements and the Display

Pos: 9.11 /0 005 RETSC H/0005 R ETSCH Bedi enungsanl eitungen Kapitelsa mmlungen/B B50/0007 Bedienung /0008 BB5 0 Modul Ü bersichtst abelle Be dienfeld @ 5\mod_1345622654959_9.docx @ 34310 @ @ 1

Element Description Function

F1 F2 F3 F4 + and - buttons F5 F6

Pos: 9.12 /0 005 RETSC H/0005 R ETSCH Bedi enungsanl eitungen Kapitelsa mmlungen/------- Seitenumbruch ----------- @ 0\mod_1222344373758_0.docx @ 2386 @ @ 1

Display of the gap width in m m Displays the gap width Display of the speed Number of crushing jaw lifts per minute Gap width zeroing Zero value setting on crushing jaw contact

Setting the crushing jaw speed Reverse running Dislodging or loosening a sample blockage START and STOP buttons Starting and stopping the motor

Operating the machine

Pos: 9.13 /0 020 Übers chriften/ 1.1 Übersc hriften/1. 1 Überschr iften BDA /11 Ein- / A usschalt en @ 0\mod_1229416527496_9.docx @ 5058 @ 2 @ 1

5.5 36BSwitching On and Off

Pos: 9.14 /0005 RETSCH/0005 RETSCH Bedienungsanleitungen Kapi t elsammlung en/BB50/ 0007 Bedi en ung / 0009 BB50 M od ul Ein Aus Schal t en @ 5\mod_1345800934785_9.docx @ 34520 @ @ 1

Fig. 12: Switching on / off – The main switch (H) can be found on the back of the machine.

• Switch the main switch (H) on. – The displays for the gap width and the speed light up.

Pos: 9.15 /0 020 Übers chriften/ 1.1 Übersc hriften/1. 1 Überschr iften BDA /11 Spalt weite auf N ullstell ung setzen @ 5\mod_1345445748972_9.docx @ 34160 @ 2 @ 1

– The machine is ready to use.

5.6 37BSetting the gap width to zero position

Pos: 9.16 /0 005 RETSC H/0005 R ETSCH Bedi enungsanl eitungen Kapitelsa mmlungen/B B50/0007 Bedienung /0011 BB5 0 Modul Sp altweite N ullstell ung @ 5\ mod_1346050929641_9.docx @ 34540 @ @ 1

NOTICE The gap width may only be adjusted during idl in g witho ut grindi ng m ater ia l.

Grinding material may be neither in the crushing chamber nor in the fill hopper. The breaking jaws may not have any contact so as to prevent a blockage and the

associated potential damage to the breaking jaws. Preparation:

• Switch the machine on at the main switch.

• Remove all grinding material from the fill hopper and crushing chamber. When aligning the gap width, the breaking jaws must not demonstrate any contact

to each other when beginning the adjustment.

• Before starting the machine, twist the hand wheel (D) 2 revolutions in an anti-clockwise direction.

Fig. 13: Aligning the gap width

• Start the machine by pressing the START button (F6)

• Turn the hand wheel (D) clockwise until a clicking acoustically signals the contact of the crusher arms.

• Press the button (F3).

Operating the machine

sw D F3

Fig. 14: The display (F1) shows 00.0. The current gap width and the display therefore

match. The wear of the breaking jaws is not recorded by the gap width measurement. For

this reason the alignment of the gap width should be performed regularly in order to guarantee matching between the information in the display and actual gap width.

The greater the load on the BB 50 and the harder and more abrasive the grinding material, the more frequently a zero point alignment to compensate for wear is required.

Pos: 9.17 /0 020 Übers chriften/ 1.1 Übersc hriften/1. 1 Überschr iften BDA /11 Spalt weite eins tellen @ 5\mod_1345445670122_9.docx @ 34150 @ 2 @ 1

The reading in the display will otherwise not correspond to the actual gap width.

5.7 38BSetting the gap width

Pos: 9.18 /0 005 RETSC H/0005 R ETSCH Bedi enungsanl eitungen Kapitelsa mmlungen/B B50/0007 Bedienung /0010 BB5 0 Modul Sp altweiten einstellung @ 5\mod_1346050883310_ 9.docx @ 34530 @ @ 1

NOTICE

Before starting the machine, do not put any grinding material in the grinding chamber or fill hopper. This can lead to a blockage and cause damage to mechanical components.

• You can reduce the gap width (sw) with a twist of the hand wheel (D) in a clockwise direction.

• You can increase the gap widt h (sw) with a twist of the hand wheel (D) in an anti-clockwise direction

Fig. 15: Gap width

Operating the machine

Pos: 9.19 /0 020 Übers chriften/ 1.1 Übersc hriften/1. 1 Überschr iften BDA /11 Rever se - Verma hlung @ 3\ mod_1279717723614_9.docx @ 21493 @ 2 @ 1

5.8 39BReverse grinding

Pos: 9.20 /0 005 RETSC H/0005 R ETSCH Bedi enungsanl eitungen Kapitelsa mmlungen/B B50/0007 Bedienung /0012 BB5 0 Modul R everse-Ver mahlung @ 5\mod_1346050964001_9.docx @ 34551 @ @ 1

Fig. 16: Bridging effect in the grinding chamber

Fig. 17: Reverse button Using the reverse function you can release grinding material in the event of a

blockage in the machine or of bridging.

• Stop grinding.

• Press the reverse button (F5). The machine will run backwards as long as you keep t he reverse button pressed,

Pos: 9.21 /0 020 Übers chriften/ 1.1 Übersc hriften/1. 1 Überschr iften BDA /11 Drehz ahl einstel len @ 1\mod_1250081022665_9.docx @ 13816 @ 2 @ 1

and wedged material will be dislodged.

5.9 40BSetting the Speed

Pos: 9.22 /0 005 RETSC H/0005 R ETSCH Bedi enungsanlei tungen Kapitelsam mlungen/B B50/0007 Bedienung/ 0013 BB5 0 Modul Dr ehzahl ei nstellen @ 5\mod_1346050969438_9.docx @ 34650 @ @ 1

Fig. 18: Setting the speed

• Switch the machine on at the main switch. The selectable grinding speed lies bet ween 550 and 950 revolutions per minute

Briefly press button (F4 +) to increase the speed in increments of 50.

•

Briefly press button (F4 -) to decrease the speed in increments of 50.

• When pressed for longer the speed levels are run through quickly. The display

shows the last value which is updated when the button is released.

Operating the machine

Pos: 9.23 /0 020 Übers chriften/ 1.1 Übersc hriften/1. 1 Überschr iften BDA /11 Mahlv organg st arten @ 0\mod_1227185008190_9.docx @ 3861 @ 2 @ 1

5.10 41BStarting the grinding process

Pos: 9.24 /0 005 RETSC H/0005 R ETSCH Bedi enungsanl eitungen Kapitelsa mmlungen/B B50/0007 Bedienung /0014 BB5 0 Modul M ahl vorgang st ar te n @ 5\ mod_1346050969994_9.docx @ 34661 @ @ 1

Fig. 19: Start grinding

• Press the START button (F6). The green LED above the START button lights up. The machine starts up.

Fig. 20: Gap width

• Adjust the gap width as required using the hand wheel (D). You can reduce the gap width (sw) with a twist of the hand wheel (D)

in a clockwise direction. You can increase the gap widt h (sw) with a twist of the hand wheel (D)

in an anti-clockwise direction. The values on the display (F1) specify the gap width in mm. The display accuracy

is ± 0.1mm. The end of the grinding process may be recognised acoustically by a change in

Pos: 9.25 /0 020 Übers chriften/ 1.1 Übersc hriften/1. 1 Überschr iften BDA /11 Mahlv organg st oppen @ 0\mod_1226909892231_9.docx @ 3643 @ 2 @ 1

sound and the machine can be switched off.

5.11 42BStopping the grinding proce ss

Pos: 9.26 /0 005 RETSC H/0005 R ETSCH Bedi e nungsanlei tungen Kapi t elsammlung en/BB50/ 0007 Bedi en ung / 0015 BB50 M od ul M ahl vorgang st op pe n @ 5\ mod_1346050970540_9.docx @ 34672 @ @ 1

NOTICE

Only interrupt the grinding if no more grinding material is in the fill hopper or crushing chamber.

Mechanical components might be damaged by a blockage when starting up.

• Press the STOP button (F6).

Safety functions and fault display

The red LED above the STOP button lights up and the green LED above the

Pos: 9.27 /0 020 Übers chriften/ 1.1 Übersc hriften/1. 1 Überschri f te n BDA/11 Pro be n behälter @ 5\ mod_1345454254753_9.docx @ 34220 @ 2 @ 1

START button goes out. The machine stops.

5.12 43BSample receptacle

Pos: 9.28 /0 005 RETSC H/0005 R ETSCH Bedi enungsanl eitungen Kapitelsa mmlungen/B B50/0007 Bedienung /0016 BB5 0 Modul Pr obenbehäl ter @ 5\mod_1346050971062_9.docx @ 34683 @ @ 1

Fig. 21: Sample receptacle

Pos: 11.1 /0020 Überschriften/1. Überschriften/1 Sicherheitsfunktionen und Fehleranzeige @ 0\mod_1226908695377_9.docx @ 3594 @ 1 @ 1

6 Safety functions and fault display

Pos: 11.2 /0 020 Übers chriften/ 1.1 Übersc hriften/1. 1 Überschr iften BDA /11 Fehler meldunge n @ 0\mod_1222344568006_9.docx @ 2435 @ 2 @ 1

6.1 44BFault messages

Pos: 11.3 /0005 RETSCH/0005 R ET SC H Bedienung sa nleitunge n Kapitelsa m ml ungen/BB 5 0/ 0 009 Sicherh ei ts funktio ne n un d F e hl er anzeige /0 00 8 B B50 Modul Fe hl er meldunge n @ 5\ mod_1346844648119_9.docx @ 34851 @ @ 1

Error code

DESCRIPTION E 10 DRIVE OVERLOADED E 10 E 22 ERROR KEYPAD E 22 Switch machine off and back on. E 26

ERROR FREQUENCY

CONVERTER E 50 ERROR SAFETY CIRCUIT E 50

E 80 ERROR INTERFACE E80

Display

gap width

Display speed

E 26

Switch machine off and back on. Where necessary wait 10 minutes

Frequency converter is faulty. Service is required

Safety circuit is faulty. Service is required

Communication fault in controller

Service is required H 41 CLOSE GRINDING CHAMBER H41 Close hopper/drawer and press STOP H 43 WEAR LIMIT REACHED H 43 Replace breaking jaws H 44 PLEA SE C A LIBRATE PLS CAL Calibrate gap width

"Gap width" und "Speed" displays flash 88.8 888

Close hopper and drawer;

restart the machine

Cleaning, wear and service

WARNING

Risk of a fatal electric shock

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7 Cleaning, wear and service

Pos: 12.2 /0020 Überschriften/1.1 Überschrifte n/1.1 Über schrifte n BDA/11 R einigung @ 0\mod_1226909670239_9.docx @ 3607 @ 2 @ 1

7.1 45BCleaning

Pos: 12.3 /0025 War nhinweis e/ W0003 WARN U N G R ei nigung Str om s t oß neu @ 1\mod_1236239978437_9.docx @ 7686 @ @ 1

- An electric shock can cause injuries in the form of burns and cardiac

arrhythmia, respiratory arrest or cardiac arrest.

• Do not clean the blender under running water. Use only a cloth dampened

with water.

• Disconnect the power supply plug before cleaning the blender.

Pos: 12.4 /0 005 RETSC H/0005 R ETSCH Bedi enungsanl eitungen Kapitelsa mmlungen/B B50/0010 R einigung Wartung V erschleiß /0004 BB5 0 Modul R einigung @ 5\mod_1346079086585_9.docx @ 34787 @ @ 1

Pos: 12.5 /0020 Überschriften/1.1.1. Überschr iften/11 1 Einfülltri chter entf ernen @ 5 \mod_1345454411097_9.docx @ 34240 @ 3 @ 1

7.1.1 49BRemoving the feed hopper

Pos: 12.6 /0005 RETSCH/0005 RETSCH Bedienungsanleitungen Kapitelsammlungen/BB50/0010 Rei nig ung Wartu ng Ver s c hleiß/000 6 B B50 Modul Einfül l tr i c hter entfer nen @ 5\mod_1346078728003_9.docx @ 34710 @ @ 1

 Fig. 1: Opening the hopper flap

• Pull the release handle (C) and fold back the fill hopper (B).

Fig. 2: Remove the hopper flap

• Pull off the fill hopper (B) against the resistance of the locks.

Cleaning, wear and service

CAUTION

V0072

Risk of injury to eyes and skin

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7.1.2 50BRemoving the splash-back protection

Pos: 12.8 /0 025 Warnhi nweise/V 0072 VORS ICHT Aug en Verletzu ng Heraus geschleu dertes Mahl gut Rücks pritzschut z @ 5\mod_1346142066348_9.docx @ 34811 @ @ 1

Ejected sample material – Sample material can be ejected from the machine if the splash-

back protection is missing.

• Never operate the machine without the splash-back

protection.

Pos: 12.9 /0005 RETSCH/0005 RETSCH Bedienungsanleitungen Kapi telsamml ungen/BB5 0/0010 Rei nigung W artung Vers chleiß/0 007 BB50 M odul Rüc kspritzsch utz entfern en @ 5\mod_1346078784486_9.docx @ 34721 @ @ 1

Fig. 22: Removing the splash-back protection

• Unscrew both screws (As).

• Remove the splash-back protection for cleaning (A).

Pos: 12.10 / 0020 Über schriften/ 1.1.1. Üb erschrifte n/111 Ma hlraumkla ppe entfern en @ 5\mod_1345454523628_9.docx @ 34260 @ 3 @ 1

7.1.3 51BRemoving the grinding chamber cover

Pos: 12.11 / 0005 RET SCH/0005 R ETSCH Bedi enungsa nleitungen Kapitels ammlungen/ BB50/001 0 Reinigu ng Wartung Verschlei ß/0008 BB 50 Modul Mahlraumklappe entf ernen @ 5\mod_1346078785220_9.docx @ 34732 @ @ 1

• Secure the splash-back protection to the fill hopper again after cleaning.

Pos: 12.12 / 0020 Über schriften/ 1.1 Übers chriften/ 1.1 Übersc hriften BD A/11 Wart ung @ 0\mod_1226909694066_9.docx @ 3613 @ 2 @ 1

7.2 46BService

Pos: 12.13 / 0005 RET SCH/0005 R ETSCH Bedi enungsa nleitungen Kapitels ammlungen/ BB50/001 0 Reinigu ng Wartung Verschlei ß/0012 BB 50 Modul Wartung @ 5\mod_1346078787835_9.docx @ 34776 @ @ 1

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7.2.1 52BReplacing the breaking jaws

Pos: 12.15 / 0005 RET SCH/0005 R ETSCH Bedi enungsa nleitungen Kapitels ammlungen/ BB50/001 0 Reinigu ng Wartung Verschlei ß/0009 BB 50 Modul Br echback en vorn aus tauschen @ 5\mod_1346078785877_9.docx @ 34 74 3 @ 3 @ 1 ntv

Fig. 23: Removing the grinding chamber cover

• Remove the grinding chamber cover (P) as shown in the above figure.

This machine requires no servicing. When correctly used no adjustment work is required.

Cleaning, wear and service

7.2.2

53BReplacing the front breaking jaw

NOTICE

Zircon breaking jaws (ZB) are bonded across the entire surface (ZV).

• Have the zircon breaking jaws replaced by an authorised service technician.

Fig. 24: Bonding the zircon breaking jaws

• Empty the grinding chamber before replacing the breaking jaws.

• Set the gap width to between 2 and 10 mm.

Fig. 25: Removing the bolt

• Twist the grip of the bolt (G) until the locking pin (Gp) can be seen in the top opening of the guide.

Fig. 26: Using the (bolt) removal tool

Cleaning, wear and service

• Pull the bolt (G) out of the guide.

• Place the bolt (G) in the removal groove (Rn) of the front crusher arm.

Fig. 27: Removing the break ing jaw

• Pull the crusher arm upwards out of the machine.

Fig. 28: Replacing the breaking jaw

• Unscrew the two screws (RS).

• Remove the retaining plate (RH)

• Replace the breaking jaw (RB).

Cleaning, wear and service

Fig. 29: Screw securing adhesive

• Use two new screws (RS) for installation or secure

Pos: 12.16 / 0005 RET SCH/0005 R ETSCH Bedi enungsa nleitungen Kapitels ammlungen/ BB50/001 0 Reinigu ng Wartung Verschlei ß/0010 BB 50 Modul Br echback en hinten a ustausche n @ 5\mod_1346078786485_9.docx @ 34754 @ @ 1

both screws with liquid screw securing adhesive (RL).

Fig. 30: Replacing the rear breaking jaw

The rear breaking jaw is replaced directly in the machine. The rear crusher arm remains in the machine in the process.

• Unscrew the two screws (RS).

• Remove the retaining plate (RH)

• Replace the breaking jaw (RB).

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Cleaning, wear and service

Fig. 31: Screw securing adhesive

• Use two new screws (RS) for installation or secure both screws with liquid screw securing adhesive (RL).

7.3 47BWear

Pos: 12.18 / 0005 RET SCH/0005 R ETSCH Bedi enungsa nleitungen Kapitels ammlungen/ BB50/001 0 Reinigu ng Wartung Verschlei ß / 00 1 1 BB50 Modul Ver sc hleiß @ 5\mod_1346078787141_9.docx @ 34765 @ 34 @ 1

7.3.1 54BResetting the wear alert

NOTICE

After replacing the breaking jaws, the wear warning should be reset.

Fig. 32: Wear alert The wear alert (F42) appears when the breaking jaws are worn. The currently set gap width flashes in the gap width (F1) display and the error

code H43 is displayed in the speed (F2) display.

• Press the STOP button.

7.3.1.1 Setting the operating time until the calibration alert is displayed

You can set the time until the calibration reminder appears. The time until the next calibration depends on the sample material and application.

• Press the STOP button (F6).

Cleaning, wear and service

22.04.2014

• Simultaneously press the buttons RESET+START for 2 seconds. The currently set operating time until calibration flashes in the gap width (F1)

display (default: 50h) and h is displayed in the speed (F2) display.

Briefly press the button (F4 +) to increase the operating time in increments of

•

10.

Briefly press the button (F4 -) to decrease the operating time in increments

• of 10.

Pos: 13.1 /0005 RETSCH/0005 RETSCH Bedienungsanleitungen Kapitelsammlungen/------- Seitenumbruch ----------- @ 0\mod_122234437375 8_0.docx @ 2386 @ @ 1

Fig. 33: Operating time until the calibration alert

Pos: 13.2 /0005 RETSCH/0015 RETSCH Reparat ur- und Mon tageanleit ungen/00 000 Übersc hriften/1. Übersc hriften/1 E ntsorgung @ 0\mod_1234258746831_9.docx @ 6173 @ 1 @ 1

8 Disposal

Pos: 13.3 /0 010 RETSC H Standar d KapitelG eneral Mo dul Entsor gung @ 0\mod_1234269404935_9.docx @ 6180 @ @ 1

Disposal

Please observe the respective statutory requirements with respect to disposal. Information on disposal of electrical and electronic machines in the European

Community. Within the European Community the disposal of electrically operated devices is

regulated by national provisions that are based on the EU Directive 2002/96/EC on Waste Electrical and Electronic Equipment (WEEE).

Accordingly, all machines supplied after 13.08.2005 in 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 they have the following label:

=== Ende der Liste für Textmar ke Inhalt == =

Fig. 34: Disposal label Since the disposal regulations within the EU may differ from country to country we

would request you to consult your supplier.

9 8BIndex – Verzeichnis

88.8/888 27

Aligning the gap width 23 Ambient temperature 15 Amperage 17 Atmospheric humidity 15

Bar code 17 Bonding 30 Bridging effect 25

CAL 27 Calibration alert 34 Calibration reminder 33 Capacity 17 Carrying the machine - preparation 17 CE marking 17 Changes 6 Cleaning 28 Cleaning, wear and service 28 collection volume 13 Conditions for the place of installation 15 Confirmation 10 Connection cable 16 Copyright 6

Degree of protection 13 Device designation 16 Dimensions 14 Dimensions and weight 14 Disposal 35 Disposal label 17 Disposal label 35

E10; E22; E26; E50 27 Electrical connection 16 Emissions 13 Error code 27 Explanations of the safety warnings 7 External fuse 16

Fault messages 27 feed size 13 Feed size 13 Front view 19 funnel-shaped 12 Fuse strength 17 Fuse type 17

Gap width 24 General safety instructions 8 Grinding process 12 Grinding speed 25

H41; H43 27

Installation height 18 Installation of the machine 18 IP20 13

Mains frequency 17 Manufacturer’s address 17 Maximum feed size 13 Maximum relative humidity 15 Moderate or mild injury 7 Motor rotation speed 13 Motor speed 13 Mounting the transport aid 18

Noise measurement 13 Notes on the Operating Manual 6 Number of fuses 17

Operating elements and displays 22 Operating the machine 19 Operating time until the calibration alert 33 Overview Table of the Operating Elements and

the Display 22

Overview table of the parts of the device 21

Packaging 15 Part number 17 PLS 27 Power version 17 property damage 7 Protective devices 13 Protective equipment 13

Rated power 13 Rear view 19 Receptacle volume 13 Regulations for the place of installation 16 Removing the feed hopper 28 Removing the grinding chamber cover 29 Removing the splash-back protection 29 Removing the splash-back protection 29

Removing the transport lock 18 Removing the transport safeguard 18 Removing Transport Safeguards 17 Repairs 9 Replacing the breaking jaws 29 Required floor space 14 Reverse 25 Reverse grinding 25

Safety functions and fault display 27 Safety warnings 7 Sample receptacle 27 Screw securing adhesive 33 Serial number 17 serious injury 7 Service 29 Service Address 9 Setting the gap width 24 Setting the Speed 25 Starting the grinding process 26 Stopping the grinding process 26 Switching On and Off 23

Target group 8

Technical data 11 Temperature fluctuation and condensed water 15 Transport 15 Transport, scope of delivery, installation 15 Type plate 16 type plate description 16 Type plate lettering 16

Use of the machine for the intended purpose 11

Views of the Instrument 19

Wear 33 Wear alert 33 Working instructions 12

Year of production 17

Zero position 23 Zircon breaking jaws 30

Authorized person for the compilation of technical documents:

Certificate of CE-Conformity according to:

LABORATORY J AW CRUSHER

CERTIFICATE OF CE-CONFORMITY

BB50

EC Mechanical Engineering Directive 2006/42/EC

Applied harmonized standards, in particular: DIN EN ISO 12100 Security of machines

EC Directive Electromagnetic Compatibility 2004/108/EC Applied standards, in particular: EN 55011:2009 + A1:2010, Group 1, Class B Radio Interference - limits and measurement methods

EN 61000-3-3:2008 EN 61326-1:2006 incl. IEC 61000-4-2 to …4-6 and …4-11

Additional applied standards, in p ar ticular

DIN EN 61010-1:2011-07 Safety prescriptions concerning measuring-, operating-, controlling- and

laboratory equipment

Translation

J. Bunke (technical documentation)

The following records are held by Rets ch GmbH in the form of Technical Documentation:

Detailed records of engin eering dev elopm ent, constru ction plans, s tudy (anal ysis) of the measur es required f or conformity assurance, analysis of the residual risks involved and operating instructions in due form according to the approved regulations for preparation of user information data.

The CE-conformity of the Retsch Laboratory Jaw Crusher is assured herewith.

In case of a modification to the machine not previously agreed with us as well as the use of not licensed spare parts and accessories this certificate will lose its validity.

Retsch GmbH Haan, january 2013

Dr. –Ing. Frank Janetta Manager Development

FB-EW-805-079 (E) Änderungsstand A 01/2013

Retsch GmbH • Retsch-Allee 1- 5 • 42781 Haan • Germany • www.retsch.com

® Copyright by Retsch GmbH Haan, Retsch-Allee 1-5 D-42781 Haan Federal Republic of Germany

Retsch BB 50 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

4 Transport, scope of delivery, installation

5 Operating the machine

6 Safety functions and fault display

7 Cleaning, wear and service

8 Disposal