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VERS.2015.04.21                                                                                      CDR 252_MAN_EN 
 

23 

8  APPENDIX 

8.1  Ideal rotation speed of the core bit in relation to the hole diameter 

 
 

 

 
 
 
 
 

Summary of Contents for Clipper CDR 252

Page 1: ...CDR 252 OPERATING INSTRUCTIONS Translation of the original instructions...

Page 2: ...VERS 2015 04 21 CDR 252_MAN_EN 2...

Page 3: ...LECTROMAGNETIC COMPATIBILITY 2004 108 CE NOISE 2000 14 CE And the European standard EN 12348 Core drilling machines on stand Safety Valid for machines as of serial number 70100000 Storage site for the...

Page 4: ...VERS 2015 04 21 CDR 252_MAN_EN 4...

Page 5: ...MBLY AND COMMISSIONING 12 3 1 Assembling the motor on the rig 12 3 2 Tool assembly 12 3 3 Electrical connections 12 3 4 Changing motor speed 13 3 5 Water cooling 13 4 TRANSPORT AND STORING 14 4 1 Secu...

Page 6: ...for any resulting damage Any risk shall be borne entirely by the user Observing the operating instructions and compliance with inspection and servicing requirements shall also be considered as includ...

Page 7: ...h specified Processes No 8 of the Protection of Eyes Regulation 1974 Regulation 2 2 Part 1 Make sure that no mounting tool is left on the machine before starting it Electrical powered machine Make sur...

Page 8: ...esigned for drilling a large range of building materials It is not designed for drilling wood or metals except steel reinforcing securely embedded in concrete 2 3 Layout There are two main parts on th...

Page 9: ...5x325x975mm You can find the code number on the machine plate If you bought a complete kit your machine is composed of a column with combined base a motor and a motor mounting plate These are the char...

Page 10: ...values may vary with site conditions in terms of Materials worked Wear Machine Lack of maintenance Inappropriate tool for application Tool in poor condition Unskilled operator Etc The exposure time to...

Page 11: ...44 Uncertainty K Sound power level LWeq NF EN ISO 3744 KIT CDR 252 CDM 203 70184693970 94 dB A 2 5 dB A 105 dB A 4 dB A Values determined using the procedure described in the standard EN 12348 The mea...

Page 12: ...lectricity To assemble a new bit follow these steps Remove the motor from the rig Use two spanners to dismount the old bit one to lock the motor axle and the other to unscrew the bit Do not grip on th...

Page 13: ...uring work switch the machine off and separate it from the electrical supply Examine and repair the fault by checking every element of the system connectors cables motor 3 4 Changing motor speed Alway...

Page 14: ...he motor from the rig and the motor from electrical supply 4 2 Transport procedure Use only surface transport to move the CDR 252 Use the handle to carry the rig No part of the machine has been design...

Page 15: ...t of a big construction Before drilling a reinforced concrete construction make sure you will not damage the structure Make sure the drilling will not damage any gas or plumbing pipelines or electrica...

Page 16: ...of the rig Place the rubber joint under the base Place the machine where you want to bore and hold it firmly Start the vacuum pump You have to reach a pressure under 0 65bar to have a sufficient adhe...

Page 17: ...allic splints in it You are going through the steel rods for reinforced concrete Follow these instructions If possible select a lower gear Remember that you must firstly take the core bit out of the h...

Page 18: ...ge the core bit 5 2 10 Pulling the core out of the hole blind holes Using a wedge or a lever snap the core To extract the core out of the hole use the special pliers or a wire loop or make a little ho...

Page 19: ...les Clean Motor housing Clean Reachable nuts and screws Tighten up Service the machine only while it is switched off and isolated from the electrical supply Cleaning the CDR 252 After work blow dirt a...

Page 20: ...olved by qualified electrician Defective motor Change motor or contact motor manufacturer Fault due to P R C D Check the earth link on your electrical supply Change the P R C D Connection cable sectio...

Page 21: ...o us and but which is not always the quickest way Clear instructions will avoid problems and faulty deliveries If not sure please send us the defective part In the case of a warranty is claim the part...

Page 22: ...VERS 2015 04 21 CDR 252_MAN_EN 22 Guarantee can be claimed and technical support obtained from your local distributor where machines spare parts and consumables can be ordered as well...

Page 23: ...VERS 2015 04 21 CDR 252_MAN_EN 23 8 APPENDIX 8 1 Ideal rotation speed of the core bit in relation to the hole diameter...

Page 24: ...VERS 2015 04 21 CDR 252_MAN_EN 24 www construction norton eu Saint Gobain Abrasives 190 Bd J F Kennedy L 4930 BASCHARAGE LUXEMBOURG Tel 352 50401 1 Fax 352 501633 e mail sales nlx saint gobain com...

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