Retsch BB 51 Operating Instructions Manual Download Page 2 | Manualshive

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17.12.1998

©

Retsch GmbH

2

Doc. No. GB 98.056.9999

Notes on the operating instructions

These operating instructions for the jaw crusher type BB 51 provide all
the necessary information on the topics listed in the table of contents.
The guide the target group(s) defined for the relevant subjects in safe
and proper handling of the BB 51. Knowledge of the relevant chap-
ters by the appropriate target group(s) is essential for safe and proper
handling.
This technical documentation comprises a reference work and a train-
ing guide. The individual chapters are self-contained units.
These operating instructions do not contain any instructions on re-
pairs. Should any repairs become necessary, please contact your sup-
plier or Retsch GmbH.

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Summary of Contents for BB 51

Page 1: ...Jaw Crusher Type BB 51 Operating Instructions Retsch GmbH 42781 Haan Rheinische Str 36 Germany Doc No GB 98 056 9999 ...

Page 2: ...ed for the relevant subjects in safe and proper handling of the BB 51 Knowledge of the relevant chap ters by the appropriate target group s is essential for safe and proper handling This technical documentation comprises a reference work and a train ing guide The individual chapters are self contained units These operating instructions do not contain any instructions on re pairs Should any repairs...

Page 3: ...ocation 9 Installation 9 Electrical connection 9 Operation 10 Controls and operation 10 Schematic drawing of the controls 10 Overview of control elements 11 Operation of the BB 51 12 Switching ON and OFF 12 Set gap width to 00 0 12 Starting the crushing process 13 Feeding in the input material 13 Interrupting the crushing process 14 Continuing the crushing process 14 Emptying the drawer 14 Notes o...

Page 4: ... technical documentation for this machine at all times and without difficulty Ensure that new staff have been familiarised with the rules for safe and proper handling before commencing work on BB 51 either by oral in struction by a competent person and or by this documentation Incorrect operation can lead to damage or injury You are responsible for your own safety and that of your staff Ensure tha...

Page 5: ...e inform The Retsch agency in your country Your supplier Retsch GmbH direct Your service address _____________________________ _____________________________ _____________________________ _____________________________ Confirmation I have read and understood the foreword and the chapter on safety __________________________________________________ Signature of the operator ___________________________...

Page 6: ...accessories approved by Retsch The conformity with European Directives declared by Retsch will otherwise be invalidated Furthermore this will lead to all warranty claims being ren dered null and void Description of function Comminution in the BB 51 is effected by means of pressure The crusher chamber 1 is funnel shaped and tapers down towards the output end in accordance with the gap width which i...

Page 7: ...process material and on the gap width set They can only be determined em pirically Rated capacity of withdrawable receptacle Approx 1000 ml Noise data Noise measurement to DIN 45635 031 01 KL3 The noise levels are also influenced by the properties of the input ma terial Example 1 Sound power level LWA 78 3 dB A Workplace related emission level LpAeq 68 7 dB A Service conditions Input material none...

Page 8: ...ay otherwise be damaged Temperature fluctuations When there are severe temperature fluctuations e g during air transport the BB 51 is to be protected from condensation The electrical components may otherwise be damaged Interim storage Also ensure that the BB 51 is stored in a dry location for interim peri ods Supply schedule BB 51 with built in crusher arms and wearing plates 1 mains power cable 1...

Page 9: ... electrical and mechanical components may be damaged and performance data changed to an unknown extent Site altitude max 2000 m above sea level Installation Place the BB 51 jaw crusher on an even and stable surface eg a labo ratory bench Electrical connection Consult the type plate for the voltage and frequency of the BB 51 Ensure that the values are in agreement with the mains power supply Connec...

Page 10: ...hematic drawing of the controls Front view ACHTUNG PRIOR TO ANY OPENING OF THE HOUSING DISCONNECT UNIT FROM MAINS RETIRER LA PRISE AVANT L OUVERTURE DU BOITIER VOR ÖFFNEN DES GEHÄUSES NETZSTECKER ZIEHEN Rear view 17 12 1998 Retsch GmbH 10 Doc No GB 98 056 9999 ...

Page 11: ...the BB 51 in standby mode when pressed a second time E Gap width indicator Indicates the gap width set in mm F Handwheel for setting gap width Turn clockwise to close the gap Turn anti clockwise to open the gap G Gap zero adjustment but ton Press to reset the indicator display to 00 0 H Feed hopper and lid Takes the input material Prevents the input material from bouncing back and protects against...

Page 12: ... display E reads 00 0 Gap width and indicator now tally with one another Turning the handwheel F closes the gap Turning the handwheel F opens the gap Before adjusting or starting the BB51 you must turn the handwheel F through two revolutions anti clockwise The crusher jaws are then safely out of contact with one an other thus preventing jamming and possible damage to the jaws of the BB51 Adjustmen...

Page 13: ...nction is solely that of feeding material into the crusher chamber It also prevents inadvertent reaching into the crusher chamber and stops process material from being ejected Fig 5 Check that the drawer and inserted receptacle are pushed in Open the lid on the feed hopper H Feed the material into the hopper Close the lid on the hopper H Feed material into the hopper only when the machine is in op...

Page 14: ... Press the START button C Fig 6 The red LED above button D stays lit the display indicates the last gap width setting Press the START button C a second time The crushing process continues using the last gap width setting Emptying the drawer Fig 7 Stop the BB 51 Pull out the drawer K to the stop Remove the inserted receptacle L and empty it The maximum capacity of the receptacle L for particular ty...

Page 15: ...way and use only spare parts and accessories approved by Retsch The conformity with European Directives declared by Retsch will otherwise be invalidated Furthermore this will lead to all warranty claims being ren dered null and void Input grain size The maximum input grain size is determined by the size of the intake opening and is max 35 mm on the BB 51 Quality of process material In principle an...

Page 16: ...azard of electric shock Use only a damp rag Solvents must not be used as they would wash out the grease packing Cleaning the drawer recess Fig 9 From time to time the recess containing the drawer must be cleaned A regular visual check on the state of the recess should be made Pull out the mains plug Pull the drawer out to the stop Remove the inserted receptacle Loosen but do not remove the two che...

Page 17: ...pper removed is not permis sible Risk of crushing fingers and hands Cleaning the interior of the casing Fig 11 Fine dust may get inside the casing through holes in the drawer recess and this interior space should be cleaned from time to time using for example a vacuum cleaner of the kind used on computers To do this first dismantle the feed hopper using an Allan key AF4 Fig 11 Pull out the mains p...

Page 18: ... Using a size 2 Philips head screwdriver remove the four oval head screws Sch2 and remove the two cover plates Using an open jawed spanner AF 8 remove the eight hexagonal cap screws Sch3 Remove the two hexagonal cap screws Sch4 using an Allan key AF 2 5 and take out the plate Pull the traverses upwards and out Remove the four cheesehead screws Sch5 using an Allan key AF5 During assembling the tigh...

Page 19: ...al steel 1 pair Order No 22 048 0014 Crusher jaws manganese steel 1 pair Order No 22 711 0007 Wearing plates zirconia 1 pair Order No 22 711 0008 Wearing plates tungsten carbide 1 pair Order No 22 711 0009 Wearing plates stainless steel 1 pair Copyright This documentation may only be duplicated or passed on to third par ties its contents passed on or otherwise used with the express approval of Ret...

Page 20: ...nical components may be damaged by blockage Gap width adjustment Adjustment should be carried out regularly so as to en sure that the indicator display and the actual gap width tally The greater the load on the BB 51 and the harder and more abrasive the input material the more often a zero point adjustment must be carried out in order to compensate for wear The reading on the indicator display wil...

Page 21: ...knowledge ment of order even if these deviate from the order In such cases the customer shall have the option of drawing our attention to any deviations from the order within two weeks of receipt of our acknowledgement and reaching agreement with us Should no objection be raised to the specifications in the acknowledgement of order these shall be deemed accepted In the absence of any agreement to ...

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