ORIGINAL OPERATING INSTRUCTIONS DD 110-D diamond coring system 1 These numbers refer to the corresponding illustra- It is essential that the operating instructions tions. The illustrations can be found on the fold-out cover are read before the machine is operated for pages.
Drilling into flammable materials (e.g. wood, magnesium) and/or materials that produce electrically-conductive dust is not permissible. A suitable portable dust removal system, e.g. the Hilti VCU 40, VCU 40-M or VCD 50 vacuum cleaner, should be used with the machine whenever possible.
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2.5 The items supplied as standard include: Power tool with side handle and chuck Operating instructions Hilti toolbox or cardboard box 2.6 Using extension cords Use only extension cords of a type approved for the application and with conductors of adequate gauge.
Rated voltage Rated cur- 15.4 14.1 rent [A] Rated speed under no load, 1st gear [/min] Rated 1,380 1,380 1,380 1,380 1,380 1,380 1,380 speed under no load, 2nd gear [/min] NOTE The vibration emission level given in this information sheet has been measured in accordance with a standardised test given in EN 60745 and may be used to compare one tool with another.
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c) Do not expose power tools to rain or wet condi- before making adjustments, changing accessories, or storing power tools. Such tions. Water entering a power tool will increase the preventive safety measures reduce the risk of risk of electric shock. starting the power tool accidentally.
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Hilti for wood dust ground fault circuit interrupter (RCD) with a rating and/or mineral dust together with this tool. Ensure of max.
Check that the dust removal unit is free to rotate relative to the power tool. CAUTION To avoid injury, use only genuine Hilti core bits and 6.3.2 Core bit DD 110-D accessories. If using a machine with a BI+ Fit the connection end for core bits with dust removal...
6.5 Removing the diamond core bit CAUTION Disconnect the supply cord plug from the power out- let. NOTE If using a BR, BT, M27 or M16 chuck, prevent rotation of the chuck and use a suitable open-end wrench to remove CAUTION the core bit.
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Hilti spare parts. CAUTION Press the “Reset” button on the PRCD ground fault Do not use slotted core bits when working with a dust circuit interrupter.
DANGER NOTE Wear respiratory protection. The power tool should preferably be transported in the Hilti toolbox. NOTE Release the on / off switch on the power tool and Dust is released in all directions. Drilling without a dust slowly pull the core bit out of the hole.
Close the carbon brush covers on the left-hand and damaged or when the controls do not function faultlessly. right-hand side of the motor and tighten the retaining If necessary, the power tool should be repaired by Hilti screws. Service. NOTE Once the carbon brushes have been re- placed, the indicator lamp no longer lights when 8.4 Replacing the carbon brushes 7...
10 Disposal Most of the materials from which Hilti machines or appliances are manufactured can be recycled. The materials must be correctly separated before they can be recycled. In many countries, Hilti has already made arrangements for taking back old machines and appliances for recycling.
11 Manufacturer’s warranty Hilti warrants that the tool supplied is free of defects in Additional claims are excluded, unless stringent na- material and workmanship. This warranty is valid so long tional rules prohibit such exclusion. In particular, Hilti as the tool is operated and handled correctly, cleaned...
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