Information about the documentation 1.1 About this documentation • Read this documentation before initial operation or use. This is a prerequisite for safe, trouble-free handling and use of the product. • Observe the safety instructions and warnings in this documentation and on the product.
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Protection class II (double-insulated) 1.4 Product information Hilti products are designed for professional use and may be operated, ser- viced and maintained only by trained, authorized personnel. This personnel must be informed of any particular hazards that may be encountered. The product described and its ancillary equipment may present hazards when used incorrectly by untrained personnel or when used not as directed.
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Safety 2.1 General power tool safety warnings WARNING Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. Save all warnings and instructions for future reference. Work area safety ▶...
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hat, or hearing protection used for appropriate conditions will reduce personal injuries. ▶ Prevent unintentional starting. Ensure the switch is in the off‐position before connecting to power source, picking up or carrying the tool. Carrying power tools with your finger on the switch or energising power tools that have the switch on invites accidents.
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Service ▶ Have your power tool serviced by a qualified repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained. 2.2 Safety warnings common for grinding, sanding, wire brushing, polishing or abrasive cutting-off operations: ▶...
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filtrating particles generated by your operation. Prolonged exposure to high intensity noise may cause hearing loss. ▶ Keep bystanders a safe distance away from work area. Anyone entering the work area must wear personal protective equipment. Fragments of workpiece or of a broken accessory may fly away and cause injury beyond immediate area of operation.
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if provided, for maximum control over kickback or torque reaction during start-up. The operator can control torque reactions or kickback forces, if proper precautions are taken. ▶ Never place your hand near the rotating accessory. Accessory may kickback over your hand. ▶...
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▶ Do not position your body in line with and behind the rotating wheel. When the wheel, at the point of operation, is moving away from your body, the possible kickback may propel the spinning wheel and the power tool directly at you.
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▶ Do not touch the supply cord or extension cord if it is damaged while working. Disconnect the mains plug from the power outlet. Check the tool’s supply cord at regular intervals and have it replaced by Hilti Service if damage is found. Check extension cords at regular intervals and replace them if found to be damaged.
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Description 3.1 Overview of the product English Printed: 19.10.2018 | Doc-Nr: PUB / 5402264 / 000 / 01...
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• The power tool may be used for cutting, slitting and grinding mineral materials only when equipped with the corresponding guard (optional accessory). • A dust removal hood together with a suitable Hilti vacuum cleaner must be used for working on mineral materials such as concrete or stone. 3.3 Items supplied Angle grinder, side handle, standard guard, front cover, clamping flange, clamping nut, wrench, operating instructions.
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If the ATC system fails, the product will run at greatly reduced speed and with greatly reduced torque. Have the product checked by Hilti Service. 3.7 Restart interlock The product does not restart by itself when the on/off switch is locked in the ON position and power is restored after an interruption in the electric supply.
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3.10 DG-EX 125/5" dust hood for grinding (accessory) The grinding system is suitable only for occasional use with diamond cup wheels for grinding mineral materials. CAUTION Use of this hood for working on metal is prohibited. 3.11 DC-EX 125/5"M dust hood for grinding (accessory) The power tool may be used for cutting and slitting work on mineral materials only when fitted with a dust hood.
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3.12 DC-EX 125/5"C dust hood for cutting (accessory) Use the DC-EX 125/5"C dust hood when cutting masonry and concrete. CAUTION Use of this hood for working on metal is prohibited. Consumables Only synthetic resin-bonded, fiber-reinforced discs with a maximum diam- eter of Ø...
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Suitability of discs for the equipment used Item Equipment ACD AGD, AP-D 3CS, AG-D AFD, 4CS, type 27 AND (SPX, DC-D 3SS, (SPX, Guard — Front cover (in — — — — — combination with A) DG-EX 125/5" — — —...
The information given applies for a rated voltage of 120 V. Actual figures can vary for country-specific versions and if the voltage supply differs. For rated voltage, frequency, input power and rated current, refer to the rating plate. AG 500-11S Rated current input 10.5 A...
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6.2.1 Installing the guard The guard is keyed to ensure that only guards of a type suitable for use with the product can be installed. The keyed locating lug also prevents the guard from coming into contact with the tool. 1.
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6.3 Fitting or removing the front cover 1. Position the front cover with the closed side on the standard guard and push it on until it engages. 2. To remove it, release the catch for the front cover and then lift the front cover away from the standard guard.
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6.4.1 Fitting the grinding disc 1. Disconnect the mains plug from the power outlet. 2. Clean the clamping flange and the clamping nut. 3. Screw the clamping flange onto the arbor. 4. Fit the grinding disc. 5. Screw on the clamping nut corresponding to the type of grinding disc fitted.
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The optional Kwik lock nut can be used instead of the standard clamping nut. Grinding discs can then be changed without the need for additional tools. 1. Disconnect the mains plug from the power outlet. 2. Clean the clamping flange and the quick-release clamping nut. 3.
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6.4.5 Fitting a threaded accessory tool 1. Disconnect the mains plug from the power outlet. 2. Screw the accessory tool onto the drive spindle. 3. Press the spindle lockbutton and hold it in this position. 4. Use an open-end wrench to tighten the accessory tool securely and then release the spindle lockbutton.
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6.6 Fitting the abrasive resin-fiber disc 1. Disconnect the mains plug from the power outlet. 2. Fit the side handle. → page 18 3. Install the guard. → page 19 4. Fit the support plate and the abrasive resin-fiber disc, screw on the clamping nut and tighten it securely.
7.2 Switching on and off 7.2.1 Switching on 1. Plug the supply cord into the power outlet. 2. Press the rear section of the on/off switch. 3. Slide the on/off switch forward. 4. Lock the on/off switch. ➥ The motor runs. 7.2.2 Switching off ▶...
▶ After long periods of transport or storage, check the power tool for damage before use. Troubleshooting If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by yourself, please contact Hilti Service. 10.1 Troubleshooting Trouble or fault Possible cause...
The materials must be correctly separated before they can be recycled. In many countries, your old tools, machines or appli- ances can be returned to Hilti for recycling. Ask Hilti Service or your Hilti representative for further information.
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