Kernlochbohrer DKB Series Manuale utente
Operating instructions
DKB-132/2H
Kernlochbohrer GmbH
Geigersbühlweg 52
72663 Großbettlingen
Tel. 07022-5034900
Email: info@kernlochbohrer.com
Version 0 6. Output 05/2023
Content
Introduction and description 3
About this guide 3
Thanks to the buyer 4
Explanation of symbols 4
Safety regulations 4
Product structure 8
Technical data 9
Use and care 9
Precautions 10
Preparation 10
Operation on drill rig 11
Mounting and assembly of core drill rig and stand 11
Changing drill bits 11
Cooling of drill and machine 12
Electrical connection 13
Water supply connection 14
Gearbox shift 14
Drilling 15
Electronic overload protection 17
Mechanical overload protection 17
Shutdown carbons 18
Segment break 18
After drilling 18
Daily maintenance of the power tool 19
Behaviour in the event of disruptions 20
Troubleshooting 21
Environmental protection 22
Noise / Vibration 22
Warranty 23
Exploded view 24
EC Declaration of Conformity 26
2
Introduction and description
The core drilling equipment of the DKB series is intended for professional use and
may only be operated by instructed persons. Strictly adhere to the instructions in
the operating manual to avoid electric shock or fire.
Our company declines all responsibility in the event of violations of the operating
instructions that may result in injury or machine damage. In addition, all currently
applicable regulations of the Accident Prevention Regulations (UVV) and the
Employer's Liability Insurance Association (BG) must be observed.
In conjunction with the appropriate drill bits, the machine is intended for drilling
concrete, stone and masonry in wet and dry cutting. However, you must ensure that
you select the correct drill bit for the corresponding drilling technique in each case.
The machine may only be serviced by persons who have the appropriate
qualification and certification.
About this guide
These operating instructions are for the models
DKB-132/2H
Check the machine model against the type plate.
3
Thanks to the buyer
Thank you for purchasing a core drill of the DKB series from Kernlochbohrer GmbH.
Please read the operating instructions carefully and observe the safety instructions.
By operating it correctly, you will fully appreciate the outstanding performance of our
products. Keep this manual in a safe place for future reference.
If you have any questions about the operation of the core drill, please contact the
company Kernlochbohrer GmbH directly. We are always available to answer your
questions.
Note:
Kernlochbohrer GmbH reserves the right to change the design and appearance of
the products and their operating instructions. Future changes to the operating
instructions will be made without prior notice.
Explanation of symbols
Warning of general danger. Failure to observe these safety precautions and
instructions may result in electric shock, fire and/or serious injury.
Safety regulations
❖Read all precautions before commissioning and keep the operating
instructions. In addition, all currently applicable regulations of the Accident
Prevention Regulations (UVV) and the Employer's Liability Insurance
Association (BG) must be observed.
❖Please follow the operating instructions carefully, as failure to observe these
safety precautions and instructions may cause electric shock, fire and/or
serious injury.
4
1. Keep your work area clean and well lit. Disorder or unlit work areas can lead to
accidents.
2. Do not work with the power tool near flammable liquids, gases or dust. Power
tools produce sparks that can ignite dust or vapours, causing explosions.
3. Keep children and other people away while using the power tool. If you are
distracted, you may lose control of the tool.
4. Be attentive, work with concentration and pay attention to what you are doing.
Do not use a power tool when you are tired or under the influence of drugs,
alcohol or medicines. A moment of inattention can lead to serious injury.
5. Wear suitable protective equipment and always safety glasses. Wearing
suitable protective equipment such as a dust mask, non-slip safety shoes, hard
hat or hearing protection reduces the risk of injury.
6. Avoid unintentional starting of the machine. Make sure that the power tool is
switched off before connecting it to the power supply. If you have your finger on
the switch when carrying the power tool or connect the machine to the power
supply when it is switched on, this can lead to accidents.
7. Remove adjusting tools or spanners before switching on the power tool. A tool
or spanner that is on a rotary device can cause injury.
8. Avoid unusual postures. Make sure you stand securely and keep your balance
at all times. Do not work on a ladder. This will help you control the power tool in
unexpected situations.
5
9. Wear appropriate clothing. Do not wear loose clothing or jewellery. Keep hair,
clothing and gloves away from moving parts. Loose clothing, jewellery or long
hair can be caught by moving parts.
10. Do not overload the appliance. Use the appropriate power tool for your work.
With the appropriate power tool, you will work better and more gently in the
specified power range.
11. Do not use a power tool whose switch is damaged. A power tool that cannot be
switched on and off is dangerous and must be repaired.
12. Unplug the appliance from the mains before making any adjustments, replacing
accessories or putting the appliance aside. This safety measure prevents the
power tool from starting unintentionally.
13. Keep unused power tools out of reach of children. Do not allow persons to use
the appliance who are not familiar with it or have not read these instructions.
Power tools are dangerous when used by inexperienced persons.
14. Note that the voltage must not exceed +/-5% of the nominal voltage. Higher
voltages can cause irreparable damage. Note that higher voltage peaks are not
generated when operating the machine via a generator.
15. The plug of the power tool must match the socket. Do not change the plug
under any circumstances. Do not use adapter plugs with earthed forces.
Unmodified plugs and matching sockets reduce the risk of electric shock.
16. Avoid body contact with earthed surfaces or earthed components such as pipes,
radiators, areas and refrigerators.
17. Do not expose power tools to rain or wet conditions. Water entering a power tool
increases the risk of electric shock.
6
18. Never use the cord to carry or pull the power tool or to unplug it from the wall
socket. Keep it away from heat, oil, sharp edges or moving parts. Damaged,
crushed or twisted cables increase the risk of electric shock.
19. When using a power tool outdoors, only use an extension cord that is suitable
for outdoor use. Using a cord that is suitable for outdoor use reduces the risk of
electric shock. When using with an extension cord, also make sure that the
extension cord has the same cross-section as the cord on the machine.
20. The use of products such as cutters, grinders, drills that work sand or other
materials can generate dust and fumes that may contain hazardous chemicals.
Check the type of material you are going to work on and use a suitable
respirator.
21. Non-approved spare parts and any modification are prohibited on our products.
22. If operating a power tool in a humid environment is unavoidable, use a ground
fault circuit interrupter. The use of a ground fault circuit interrupter reduces the
risk of electric shock.
23. If a hoover and extractor are required, ensure that they are connected and used
correctly. The use of a hoover can reduce dust-related hazards.
7
Product structure
1. Tool holder 6. Start switch
2. Oil seal 7. Main handle
3. Water connection 8. Guide handle
4. Motor housing 9. Switch for gears 1 / 2
5. Cruise control
8
1
3
4
2
9
8
7
6
5
Technical data
In order to constantly improve the product, our company reserves the right to
change the technical data without prior notice.
Use and care
Only use diamond core bits that are in a sharp and undamaged condition. Properly
maintained diamond core bits with sharp cutting segments do not get bent so
quickly and are easier to guide.
Use the power tool, accessories and drill bits etc. in accordance with these
operating instructions, taking into account the working conditions and the work to be
done. Using the power tool for operations other than its intended use could lead to
a dangerous situation.
Have your power tool repaired only by qualified personnel and only with original
spare parts.
Model
DKB-132/2H
Art no.
1894/1
Power
1900W
Voltage
230V
Weight
3kg
Frequency
50-60HZ
Max. Drilling diameter brick
132mm
Max. Drilling diameter concrete without
stand
80mm
Max. Drilling diameter concrete with stand
100mm
Speed
720-1230/1780 1/min
Spindle thread
M16 (Adapter 1 ¼” UNC)
Compatible stands
KBS-200/M, 46mm clamp
holder
KBS-280/M, 46mm clamp
holder
9
Precautions
1. ALWAYS wear hearing protection! When using drill motors, the loud drilling
noise in the working area can cause hearing damage.
2. When drilling, keep a sufficient distance from the core drill and do not touch any
rotating parts. Protect the danger zone and keep children and other persons
away from it. Falling and splashing parts can cause injuries.
3. This diamond core drill is intended for professional use only and may only be
operated by trained personnel. Appropriate use of the core drill includes drilling
rock, reinforced concrete and masonry.
4. The drill motor must be checked regularly (approx. every 6 months) by a
certified electrician according to VDE.
5. When used for overhead drilling, a functional water collection ring must be used.
Make sure that no water can get into the motor.
6. Switch off the core drill immediately if it stops for any reason. After you have
determined and eliminated the cause and carried out a visual inspection of the
drill and core bit, the core drill can be restarted.
Preparation
Before each start, subject the core drill to a brief visual inspection. Also check that
the network voltage corresponds to the voltage indicated on the tool's type plate.
10
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