Kernlochbohrer DKB-202/H-PRO Operating Instructions Manual

Diamond core drilling machine

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Operating instructions
Diamond Core drilling machine
DKB-202/H-PRO
DKB-202/P-PRO
BA-01-000008-01-EN

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Summary of Contents for Kernlochbohrer DKB-202/H-PRO

  • Page 1 Operating instructions Diamond Core drilling machine DKB-202/H-PRO DKB-202/P-PRO BA-01-000008-01-EN...
  • Page 3 Kernlochbohrer GmbH. Subject to errors and technical changes. 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 4: Table Of Contents

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO Table of contents Information and support ................6 Thanks to the buyer ................6 Using the Operating instructions ............6 Changes ....................6 Explanation of symbols ................ 7 Guarantee .................... 7 Environmental protection..............8 1.6.1...
  • Page 5 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO 4.2.2 Electronic overload protection ............. 25 4.2.3 Overvoltage protection ..............26 4.2.4 Overheating protection ..............26 4.2.5 Carbon brush warning system ............. 26 Scope of delivery ................27 Utilisation of the machine ................. 28 Specific precautions ................
  • Page 6: 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 7: 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 8: Environmental Protection

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-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 9: Service

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-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.
  • Page 10: Security

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-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. Use of the machine may nevertheless result in hazards for the user or third parties and damage to the machine and other property.
  • Page 11: 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 12: 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 13: 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 14: Safety Regulations For Staff

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-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 15 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO When using the machine, personnel must ensure that they stand securely and adopt an ergonomic posture. If the machine is used in manual mode, it must always be held with both hands.
  • Page 16: Protective Equipment

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO 2.4.3 Protective equipment Persons using the machine are obliged to wear the following protective equip- ment: - Safety goggles according to standard EN 166 or face protection. - If the noise emissions generated when using the machine exceed the limit values applicable to this workplace, suitable hearing protection must be worn.
  • Page 17: Safety During Maintenance

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-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 18: Technical Data

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO Technical data Type DKB-202/H-PRO DKB-202/P-PRO Article number 6202 6203 Power consumption 2200 W Tension 230 V ±5% / 50 Hz Power consumption 10 A Spindle thread 1 ¼" UNC & G ½"...
  • Page 19 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO Type DKB-202/H-PRO DKB-202/P-PRO Compatible core drill rig KBS-252/Light-K KBS-252/M-PRO TBS-3000/PRO Storage case dimensions 650 x 460 x 215 mm 2024-10-25 BA-01-000008-01-EN...
  • Page 20: Machine Description

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO Machine description Machine components BA-01-000008-01-EN 2024-10-25...
  • Page 21 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO Machine components DKB-202/H-PRO Drill spindle Clamping neck handle (mounted on the clamping neck) Control holes for water supply (on top of clamping neck and gearbox housing) Gearbox housing Dragonfly Gear selector switch...
  • Page 22 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO BA-01-000008-01-EN 2024-10-25...
  • Page 23 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO Machine components DKB-202/P-PRO Drill spindle Clamping neck (for mounting the clamping neck handle) Control holes for water supply (on top of clamping neck and gearbox housing) Gearbox housing Dragonfly Gear selector switch...
  • Page 24 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO LED indicators on the top of the motor housing Overload" LED LED " " (overheating protection)  If both LEDs light up at the same time, the carbon brushes of the motor must be replaced.
  • Page 25: Protective Devices

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO Protective devices 4.2.1 Mechanical overload protection This machine is equipped with a mechanical slip clutch to protect the operator and the machine from excessive torque forces. If the drill bit suddenly jams in the hole, the safety clutch is triggered and the drill spindle stops The slipping clutch must not be loaded for longer than 3 to 4 seconds.
  • Page 26: Overvoltage Protection

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO 4.2.3 Overvoltage protection The machine can absorb short-term voltage peaks of up to a maximum of 260 volts. Higher voltages can cause irreparable damage, which is why the ma- chine switches off for its own protection.
  • Page 27: Scope Of Delivery

    - Pair of earplugs - Safety goggles - Storage case - Operating instructions  Kernlochbohrer GmbH offers an extensive range of tools and ac- cessories for the machine: - Core drill rig - Core bits - Adapter for core bits...
  • Page 28: Utilisation Of The Machine

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO Utilisation of the machine Specific precautions Risk of injury! When operating the machine, persons must always keep a suffi- cient distance. Rotating parts of the machine and falling or splashing particles can cause injuries.
  • Page 29: Transport Of The Machine

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO Transport of the machine Before transporting the machine: - Switch off the machine. - Remove the mains cable from the socket. - Disconnect the water supply or dust extraction system. Working with the machine 5.3.1...
  • Page 30: Operating The Machine In Manual Mode

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO 5.3.2 Operating the machine in manual mode The machine can be operated in manual mode or on a core drill rig. If the machine is used in manual mode, the supplied clamping neck handle with clamping diameter Ø...
  • Page 31: Operating The Machine On A Core Drill Rig

    If the machine is operated on a core drill rig, it must be attached to this with a clamp holder with a diameter of Ø 60 mm.  The core drill rig may have to be purchased separately. 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 32: Attach Drill Bit To Machine

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO 5.3.4 Attach drill bit to machine A drill bit is a cylindrical tool that is fitted with soldered or laser-welded cutting segments. To mount the drill bit on the machine, the drill spindle is equipped with a 1 ¼"...
  • Page 33: Establish Water Supply To The Machine

    When using the machine for wet drilling, we recommend the use of an additional water collection ring to protect the machine and the working environment. Kernlochbohrer GmbH offers an extensive range of tools and ac- cessories for the machine. The webshop http://www.kernlochboh- rer.com...
  • Page 34: Establish Dust Extraction Of The Machine

    - The mains cable and mains plug must not be damaged. - Damaged mains plugs may only be replaced by Kernlochbohrer GmbH or a qualified electrician. - The machine is equipped with a type F mains plug (CEE 7/4). The machine may only be operated from an earthed socket (CEE 7/3) that is appropri- ately earthed.
  • Page 35 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO - Voltage peaks must not occur when operating the Core drolling machine with power generators. - When using extension cables, the cable cross-section must be suitable for the power consumption of the machine.
  • Page 36: Using The Machine

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO 5.3.8 Using the machine Before starting or starting up the machine, ensure that the tools used to mount the drill bit have been removed from the drill spin- dle. Only use the machine in manual mode with the clamping neck...
  • Page 37 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO  Set the desired speed on the machine's gear selector switch according to the drilling diameter.  See chapter 3 "Technical data".  The specified drilling diameters and speeds of the machine are based on an average concrete hardness.
  • Page 38 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO If the machine is to be used for dry drilling:   Switch on the hoover.  When the hoover has built up the maximum vacuum: Carefully start drilling.  If the machine is to be used for wet drilling: ...
  • Page 39 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO If the machine is used for wet drilling:  Continuously check the inspection holes of the water supply on the top of the clamping neck and gearbox housing. If water leaks there, the machine's water seals are worn and must be re- placed immediately.
  • Page 40: Switch Off The Machine

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO 5.3.9 Switch off the machine Procedure:  Switch off the machine motor at the switch.  Close the ball valve and disconnect the water supply. Switch off the hoover and disconnect the dust extraction system.
  • Page 41: 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 42: Inspection And Maintenance

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO Inspection and maintenance 6.3.1 Clean 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 43 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO  Check the condition and effectiveness of the water seals. Replace dam- aged or worn water seals.  Check the gearbox housing for oil leaks. If oil is leaking from the gearbox, contact Kernlochbohrer GmbH.
  • Page 44: Check The Condition Of The Transmission Oil

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO 6.3.2 Check the condition of the transmission oil Interval: 200 hours operating time Auxiliary means: Plastic oil dipstick, diameter approx. 5 mm Procedure:  Switch off the machine and remove the mains plug from the socket.
  • Page 45: Replacing Carbon Brushes

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO 6.3.3 Replacing carbon brushes  This operation must be carried out after 200 hours of operation or after the carbon brush warning system responds (red and yellow LEDs light up simultaneously). ...
  • Page 46: Troubleshooting

    Core drilling machine DKB-202/H-PRO | DKB-202/P-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 47 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO Malfunction Possible cause Troubleshooting Drill bit is stuck Gear is not properly en- Turn the gear selector to the or jammed gaged desired gear and let it engage Slipping clutch worn Replace slipping clutch...
  • Page 48: Spare Parts

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO Spare parts DKB-202/H-PRO BA-01-000008-01-EN 2024-10-25...
  • Page 49 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO No. Designation No. Designation Front handle, plastic Rotor complete (230V) Hexagon head screw M14x40 Wind deflector Connecting rod of the front handle Hexagon head screw M4x85 Clamp mount for front handle 53A Washer Ø4xØ9x1...
  • Page 50 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO No. Designation No. Designation Drawn cup needle HK1010 PRCD (230V) O-ring 87x2 Mains plug (230V) Parallel pin Ø4x8 Anti-loss clamp Gearbox cover plate O-ring 32x1.5 Rotary shaft seal TC 12x24x7 Anti-loss disc Deep groove ball bearing 629Z O-ring 49x1.5...
  • Page 51: Dkb-202/P-Pro

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO DKB-202/P-PRO 2024-10-25 BA-01-000008-01-EN...
  • Page 52 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO No. Designation No. Designation Front handle, plastic Wind deflector Hexagon head screw M14x40 Hexagon head screw M4x85 Connecting rod of the front handle 53A Washer Ø4xØ9x1 Clamp mount for front handle 53B M4 insulating sleeve...
  • Page 53 Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO No. Designation No. Designation Parallel pin Ø4x8 Mains plug (230V) Gearbox cover plate Anti-loss clamp Rotary shaft seal TC 12x24x7 O-ring 32x1.5 Deep groove ball bearing 629Z Anti-loss disc Ritzelwelle M1,25/Z24-M1,25/Z15- O-ring 49x1.5...
  • Page 54: Eu Declaration Of Conformity

    Operating instructions Core drilling machine DKB-202/H-PRO | DKB-202/P-PRO EU Declaration of Conformity The manufacturer/distributor Kernlochbohrer GmbH Geigersbühlweg 52 72663 Großbettlingen Germany hereby declares that the following product Product description: Diamond Core drilling machine Type: DKB-202/H-PRO | DKB-202/H-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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