Kernlochbohrer BSM-250/E-PRO Operating Instructions Manual

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Operating instructions
Floor grinding machine
BSM-250/E-PRO
BA-02-000001-01-EN

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Summary of Contents for Kernlochbohrer BSM-250/E-PRO

  • Page 1 Operating instructions Floor grinding machine BSM-250/E-PRO BA-02-000001-01-EN...
  • Page 3 Operating instructions Floor grinding machine BSM-250/E-PRO Scope of application These Operating instructions only apply to the machine labelled on the cover sheet. Check the machine model using the machine's rating plate. Original instructions / translation of the original instructions In accordance with the EU Machinery Directive, the German copy of these Op- erating instructions is the original instructions.
  • Page 4 Kernlochbohrer GmbH. Errors and technical changes excepted. Kernlochbohrer GmbH is not liable for any errors in this documentation. Liability for direct or indirect damages arising in connection with the delivery or use of this documentation is excluded to the extent permitted by law.
  • Page 5: Table Of Contents

    Operating instructions Floor grinding machine BSM-250/E-PRO Table of contents Information and support ................7 Thanks to the buyer ................7 Using the Operating instructions ............7 Changes ....................7 Explanation of symbols ................ 8 Guarantee .................... 8 Environmental protection..............9 1.6.1...
  • Page 6 Operating instructions Floor grinding machine BSM-250/E-PRO 4.2.2 Grinding head adjustment ............24 4.2.3 Level adjustment................25 4.2.4 Corner wheel setting ..............27 4.2.5 Guide arm adjustment ..............28 Other interfaces .................. 30 4.3.1 Connection for water supply ............30 4.3.2 Connection for dust extraction .............
  • Page 7: Information And Support

    By following the Operating instructions, you will be able to fully uti- lise the outstanding performance of our product. If you have any questions regarding the operation of the machine, please con- tact Kernlochbohrer GmbH directly. We are available to answer your questions at any time. Using the Operating instructions The machine is intended for professional use and may only be operated by trained personnel.
  • Page 8: Explanation Of Symbols

     Background information or reference to special features. Guarantee In accordance with Kernlochbohrer GmbH's general terms of delivery, a war- ranty period of 12 months applies to material defects in business transactions with companies (proof by invoice or delivery note).
  • Page 9: Environmental Protection

    Operating instructions Floor grinding machine BSM-250/E-PRO Environmental protection 1.6.1 Disposal of the product Follow national regulations on environmentally friendly disposal and recycling of used machines and accessories. For EU countries only: Do not dispose of the machine with household waste! In accordance with Eu-...
  • Page 10: Service

    Operating instructions Floor grinding machine BSM-250/E-PRO Service Precise information and specific questions allow faults to be rectified quickly, make it easier to order spare parts and prevent incorrect deliveries. Before contacting the service, please collect the following data first. The model designation must be stated in all enquiries and orders. This infor- mation can be found on the rating plate of the machine.
  • Page 11: Security

    Operating instructions Floor grinding machine BSM-250/E-PRO Security General information The machine was built according to the state of the art and in compliance with the applicable laws, standards and safety regulations. Nevertheless, the use of the machine can result in hazards for the user or third parties as well as dam- age to the machine and other property.
  • Page 12: Intended Use

    "Technical data" chapter. Any other or additional use is considered improper use - risk of accident! Kernlochbohrer GmbH is not liable for any resulting damage. The risk is borne solely by the operator. Intended use also includes observing the operating instructions and complying with the prescribed maintenance intervals.
  • Page 13: Safety Regulations For The Operator

    Changes to the machine The operator may not make any modifications to the machine without written authorisation from Kernlochbohrer GmbH. If the operator carries out modifica- tions without authorisation, the warranty becomes void. Kernlochbohrer GmbH is not liable for damage caused by unauthorised modifications.
  • Page 14: Spare Parts

    Spare parts Spare parts must comply with the properties defined by Kernlochbohrer GmbH. This is always guaranteed for spare parts supplied by Kernlochbohrer GmbH. Kernlochbohrer GmbH is not liable for damage caused by the use of unsuitable spare parts. 2.3.4...
  • Page 15: Safety Regulations For Staff

    Operating instructions Floor grinding machine BSM-250/E-PRO Safety regulations for staff 2.4.1 Safe behaviour All persons responsible for commissioning, operating and maintaining the ma- chine must have read and understood the Operating instructions beforehand. The machine may only be operated by persons who have been adequately in- structed beforehand.
  • Page 16: Safe Operation

    Operating instructions Floor grinding machine BSM-250/E-PRO 2.4.2 Safe operation Operating the machine requires the full concentration and ability of the person- nel. Persons who are overtired, unable to concentrate or under the influence of alcohol, drugs or medication must not work on or with the machine.
  • Page 17: Protective Equipment

    Operating instructions Floor grinding machine BSM-250/E-PRO 2.4.3 Protective equipment Persons using the machine are obliged to wear the following protective equip- ment: - Safety shoes with non-slip sole and protective toe cap. - Safety goggles according to standard EN 166 or face protection.
  • Page 18: Safety During Maintenance

    Operating instructions Floor grinding machine BSM-250/E-PRO Safety during maintenance 2.5.1 General information The machine may only be serviced by persons who have completed the ap- propriate specialised training for this activity. The maintenance activities and intervals specified in the Operating instructions must be observed.
  • Page 19: Technical Data

    Operating instructions Floor grinding machine BSM-250/E-PRO Technical data Article number 6232 Maximum working width Grinding head Ø 250 mm Power consumption 2200 W Power supply 230 V ±5% / 50 Hz Rated speed 1400 1/min Main construction Powder-coated steel Plate type...
  • Page 20: Machine Description

    Operating instructions Floor grinding machine BSM-250/E-PRO Machine description Machine components BA-02-000001-02-EN 2024-09-25...
  • Page 21 Operating instructions Floor grinding machine BSM-250/E-PRO Machine components Handle (2 pieces) Starter box Upper part of guide arm Guide arm adjustment Lower part of guide arm Connection of the dust extraction system Level adjustment Wheel (2 pieces) Connection of the water supply...
  • Page 22: Operating Devices

    Operating instructions Floor grinding machine BSM-250/E-PRO Operating devices 4.2.1 Starter box Starter box Connector plug Emergency stop flap Start button Stop button BA-02-000001-02-EN 2024-09-25...
  • Page 23: Connector Plug

    Operating instructions Floor grinding machine BSM-250/E-PRO Connector plug The machine is connected to the power supply using the connector plug. A connection cable of type H05RN-F 3G2.5, H05BQ-F 3G2.5 or better with a socket (CEE 7/3) must be used for this purpose.
  • Page 24: Grinding Head Adjustment

    Operating instructions Floor grinding machine BSM-250/E-PRO 4.2.2 Grinding head adjustment Grinding head adjustment Grinding head Front locking screw Rear locking screw The grinding head can be adjusted from the centre of the chassis for working close to the edge:  Remove the front locking screw of the grinding head adjustment.
  • Page 25: Level Adjustment

    Operating instructions Floor grinding machine BSM-250/E-PRO 4.2.3 Level adjustment Level adjustment Clamping lever Level adjustment handle The level adjustment of the grinding head serves to equalise the different heights when using different types of tools:  Hold the level adjustment handle.
  • Page 26 Operating instructions Floor grinding machine BSM-250/E-PRO  The rear end of the machine is raised by lifting the levelling handle. The rear end of the machine is lowered by lowering the level adjustment handle. The horizontal position of the grinding head can be checked on the level.
  • Page 27: Corner Wheel Setting

    Operating instructions Floor grinding machine BSM-250/E-PRO 4.2.4 Corner wheel setting Corner wheel setting Corner wheel Fixing screw of the corner wheel The position of the corner wheel can be adjusted:  Loosen the fastening screw.  The corner wheel can be adjusted.
  • Page 28: Guide Arm Adjustment

    Operating instructions Floor grinding machine BSM-250/E-PRO 4.2.5 Guide arm adjustment Guide arm adjustment Upper part of guide arm Locking screw Spring bolt Lower part of guide arm BA-02-000001-02-EN 2024-09-25...
  • Page 29 Operating instructions Floor grinding machine BSM-250/E-PRO The guide arm can be folded in for transporting the machine:  Unscrew the locking screw of the guide arm until it no longer engages in the lower part of the guide arm.  Hold the upper part of the guide arm.
  • Page 30: Other Interfaces

    Operating instructions Floor grinding machine BSM-250/E-PRO Other interfaces 4.3.1 Connection for water supply Health hazard! Wherever possible, floor surfaces must be grinded using the wet method to avoid the formation of harmful grinding dust. Connection for water supply Hose to the grinding head...
  • Page 31 The ball valve can be used to stop the water supply completely or to regulate the water flow.  Kernlochbohrer GmbH recommends the use of our WT-35/P-PRO water tank to supply the machine with water. 2024-09-25 BA-02-000001-02-EN...
  • Page 32: Connection For Dust Extraction

    Operating instructions Floor grinding machine BSM-250/E-PRO 4.3.2 Connection for dust extraction Health hazard! If floor surfaces cannot be grinded using the wet method, the harmful grinding dust generated during the dry process must be extracted using a suitable industrial hoover.
  • Page 33 49,5 mm / d = 45 mm) of the machine.  Kernlochbohrer GmbH recommends the use of our TS-1000/PRO industrial dry vacuum cleaner for dust extraction. If the machine is not connected to an industrial hoover, the dust extraction pipe must be closed with the dust protection cap.
  • Page 34: Maintenance Position

    Operating instructions Floor grinding machine BSM-250/E-PRO Maintenance position The machine can be brought into a maintenance position for work on the un- derside of the grinding head. Machine in maintenance position Wheel Grinding head Level adjustment clamping lever Joint of the guide arm...
  • Page 35 Operating instructions Floor grinding machine BSM-250/E-PRO Procedure:  Machine switched off.  See chapter 5.4.5 "Switch off the machine".  Power cable socket removed from connector plug.  See chapter 5.4.3 "Electrical connection".  Water supply or dust extraction disconnected.
  • Page 36: Scope Of Delivery

    There are various options for this: - Adapter plate Ø 250 mm for equipping with grinding shoes or grinding pads. - Grinding disc Ø 250 mm. Kernlochbohrer GmbH offers an extensive range of tools and ac- cessories for the machine. The webshop http://www.kernlochboh- rer.com is available for information and ordering.
  • Page 37: Utilisation Of The Machine

    Operating instructions Floor grinding machine BSM-250/E-PRO Utilisation of the machine Specific precautions Floor surfaces can be grinded using the dry or wet method: Wherever possible, the wet process must be used to avoid the for- mation of harmful grinding dust.
  • Page 38: Unpacking The Machine

    Operating instructions Floor grinding machine BSM-250/E-PRO Unpacking the machine Machine in transport crate The upper part of the machine's guide arm was folded all the way forwards for despatch from the manufacturer to the customer. It cannot be fixed in this position.
  • Page 39: Transport Of The Machine

    Operating instructions Floor grinding machine BSM-250/E-PRO Transport of the machine Before transporting the machine: - Switch off the machine. - Remove the mains cable from the connection plug. - Disconnect the water supply or dust extraction system. The upper part of the guide arm can be folded in for transporting the machine: ...
  • Page 40: Working With The Machine

    Operating instructions Floor grinding machine BSM-250/E-PRO Working with the machine 5.4.1 Visual inspection of the machine Before working with the machine, it must be visually inspected: - Check the general condition and cleanliness of the machine. - Check that all covers and machine components are present.
  • Page 41: Mounting The Grinding Tool

    Operating instructions Floor grinding machine BSM-250/E-PRO 5.4.2 Mounting the grinding tool Before working with the machine, the grinding tool must be mounted on the grinding head. There are various options for this: - Mounting an adapter plate. Various grinding or polishing pads can then be mounted on the adapter plate.
  • Page 42: Electrical Connection

    See chapter 3 "Technical data". - The mains cable and connection plug must not be damaged. - Damaged connectors may only be replaced by Kernlochbohrer GmbH or a qualified electrician. - The mains cable socket and plug must be clean and dust-free.
  • Page 43: Using The Machine

    Operating instructions Floor grinding machine BSM-250/E-PRO 5.4.4 Using the machine The generation of harmful grinding dust must be prevented by technical means (wet process or dry process with dust extraction). If this is not possible, the operating personnel and bystanders must always wear a respirator approved for the material being pro- cessed.
  • Page 44  Check whether the drive motor stops. If the drive motor is not switched off after closing the emergency stop flap, have the machine repaired by Kernlochbohrer GmbH or a quali- fied electrician. Do not operate the machine in this condition! ...
  • Page 45 Operating instructions Floor grinding machine BSM-250/E-PRO  Always check the grinding tool and dust protection during pro- cessing! Procedure:  Switch off the machine. To do this, press the stop button.  Remove the mains cable socket from the connector plug.
  • Page 46: Switch Off The Machine

    Operating instructions Floor grinding machine BSM-250/E-PRO 5.4.5 Switch off the machine Procedure:  Press the stop button.  The drive motor is switched off.  Remove the mains cable socket from the connector plug.  Check the machine for soiling. Clean the machine if necessary.
  • Page 47: Maintenance

    The contractually agreed warranty does not release the operator of the ma- chine from the obligation to maintain the machine in accordance with the man- ufacturer's instructions from the time of commissioning. Kernlochbohrer GmbH is not liable for damage caused by a lack of maintenance.
  • Page 48: Inspection And Maintenance

    Operating instructions Floor grinding machine BSM-250/E-PRO Inspection and maintenance 6.3.1 Clean the machine and check Do not use sharp sponges or metal objects to clean the machine. These could damage the surface of the machine. Do not use high-pressure cleaners, water jets or compressed air to clean the machine.
  • Page 49 Operating instructions Floor grinding machine BSM-250/E-PRO  Clean the air inlet and outlet openings of the drive motor with a brush and damp cloth.  Allow the machine to dry completely.  Check that all screws on the machine are tight. If necessary, tighten the screws.
  • Page 50 Operating instructions Floor grinding machine BSM-250/E-PRO BA-02-000001-02-EN 2024-09-25...
  • Page 51: Troubleshooting

    Floor grinding machine BSM-250/E-PRO Troubleshooting If a fault occurs during operation of the machine, please first try to rectify the fault yourself using the following information. If you are unable to rectify the fault yourself, please contact Kernlochbohrer GmbH. Malfunction Possible cause...
  • Page 52: Spare Parts

    Operating instructions Floor grinding machine BSM-250/E-PRO Spare parts BA-02-000001-02-EN 2024-09-25...
  • Page 53 Operating instructions Floor grinding machine BSM-250/E-PRO Description of the Quan- Description of the Quan- tity tity Hexagon socket round head screw Motor base plate M10*20 Horizontal adjustment handle Fastening Spacer Screw for corner wheel Axle Corner wheel Wheel Engine Screw for dust cage...
  • Page 54: Eu Declaration Of Conformity

    Operating instructions Floor grinding machine BSM-250/E-PRO EU Declaration of Conformity The manufacturer/distributor Kernlochbohrer GmbH Geigersbühlweg 52 72663 Großbettlingen Germany hereby declares that the following product Product description: Floor grinding machine Type: BSM-250/E-PRO complies with all relevant provisions of the applicable legal regulations (hereinafter) - including their amendments valid at the time of the declaration.

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