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Hilti DCH 300 Manual
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Hilti DCH 300 Manual

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DCH 300
DCH 300–X
English
Printed: 23.10.2018 | Doc-Nr: PUB / 5459263 / 000 / 00

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Summary of Contents for Hilti DCH 300

  • Page 1 DCH 300 DCH 300–X English Printed: 23.10.2018 | Doc-Nr: PUB / 5459263 / 000 / 00...
  • Page 2 Printed: 23.10.2018 | Doc-Nr: PUB / 5459263 / 000 / 00...

  • Page 3: Information About The Documentation

    Information about the documentation 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. •...
  • Page 4 Wear eye protection Product information Hilti products are designed for professional use and may be operated, serviced and maintained only by trained, authorized personnel. This personnel must be informed of any particular hazards that may be encountered. The product and its ancillary equipment can present hazards if used incorrectly by untrained personnel or if used not in accordance with the intended use.
  • Page 5 Electrical safety ▶ Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of electric shock. ▶ Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators.
  • Page 6 and bystanders away from the plane of the rotating wheel. The guard helps to protect operator from broken wheel fragments and accidental contact with wheel. ▶ Use only bonded reinforced or diamond cut-off wheels for your power tool. Just because an accessory can be attached to your power tool, it does not assure safe operation.
  • Page 7 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. ▶ Do not position your body in line with the rotating wheel. Kickback will propel the tool in direction opposite to the wheel’s movement at the point of snagging.
  • Page 8 ▶ Do not use the power tool if it starts sharply or jerkily. The electronics might be defective. Have the power tool repaired by Hilti Service. ▶ Close the cap over the dust removal hose connector for cutting metals.
  • Page 9 Cut indicator Switch-on interlock release button & Dust removal connector cap On/off switch Guard Service indicator Rear grip Diamond cutting disc English Printed: 23.10.2018 | Doc-Nr: PUB / 5459263 / 000 / 00...
  • Page 10 Front grip Hood clamping screw § ∙ Guide roller Clamping nut wrench, 24 / 10 mm AF Arbor lockbutton Hex key, 6 mm AF £ Product overview DCH 300–X English Printed: 23.10.2018 | Doc-Nr: PUB / 5459263 / 000 / 00...
  • Page 11 Cut indicator Water connection & Dust removal connector cap Rear grip Guard Switch-on interlock release button Water regulating valve On/off switch English Printed: 23.10.2018 | Doc-Nr: PUB / 5459263 / 000 / 00...
  • Page 12 When dry-cutting mineral materials, you must use a dust removal system complete with the appropriate filter e.g. the Hilti VC 300–17 X universal industrial vacuum cleaner. Use a vacuum cleaner with anti-static suction hose to avoid electrostatic effects.

  • Page 13: Technical Data

    Hilti Service. Depth gauge The depth gauge is not one of the items supplied with the DCH 300 diamond cutter, but it is available as a retrofit (accessory). The desired maximum cutting depth can be set with the aid of the cutting depth scale on the depth gauge.

  • Page 14: Operation

    Synthetic resin-bonded, fiber-reinforced cutting discs in accordance with EN 12413 (flat, type 41) To allow the disc to be fitted to the tool, the special DCH 300 ABR mounting flange (accessory) must be used. ▶ Observe the disc mounting instructions issued by the disc manufacturer.
  • Page 15 3. Press the Test button on the portable residual current device. ◁ The indicator goes out. ▽ The indicator does not goes out. ▶ Do not use the power tool. Have it repaired by a qualified specialist using genuine Hilti spare parts. Fitting a diamond cutting disc M16 ×...
  • Page 16 2. Disconnect the mains plug from the power outlet. 3. Clean the clamping flange and the clamping nut. 4. Fit the 60 mm diameter reversible flange onto the arbor the right way round, so that it is no longer free to rotate.
  • Page 17 5. Place the diamond cutting disc on the reversible flange. 6. Fit the 80 mm diameter clamping flange and the clamping nut. 7. Press the arbor lockbutton and hold it in this position. 8. Use the wrench to tighten the clamping nut securely and then release the arbor lockbutton. 9.
  • Page 18 3. Rotate the guard into the desired position. 4. Use the hex key to tighten the clamping screw. Connecting the water supply DCH 300–X 1. Connect a water hose to a water supply pipe. The maximum permitted water supply pressure is 3 bar.
  • Page 19 Switching on the cutter 1. Plug the supply cord into the power outlet. 2. DCH 300­X: Press the ON button on the PRCD. 3. Hold the tool firmly with both hands, using the front and rear grips. 4. Press the switch-on safety lock.

  • Page 20: Care And Maintenance

    ▶ Regularly check all external parts of the power tool and the accessories for signs of damage and make sure that all the controls function correctly. ▶ Do not use the power tool if parts are damaged or if the controls do not function correctly. Have the power tool repaired by Hilti Service. Transport and storage WARNING Fire hazard.

  • Page 21: Manufacturer's Warranty

    Disposal Most of the materials from which Hilti products are manufactured can be recycled. The materials must be correctly separated before they can be recycled. In many countries, your old tools, machines or appliances can be returned to Hilti for recycling. Ask Hilti Service or your Hilti representative for further information.
  • Page 22 English Printed: 23.10.2018 | Doc-Nr: PUB / 5459263 / 000 / 00...
  • Page 23 Printed: 23.10.2018 | Doc-Nr: PUB / 5459263 / 000 / 00...
  • Page 24 Printed: 23.10.2018 | Doc-Nr: PUB / 5459263 / 000 / 00...
  • Page 25 Printed: 23.10.2018 | Doc-Nr: PUB / 5459263 / 000 / 00...
  • Page 26 Hilti = registered trademark of Hilti Corp., Schaan 20180205 Printed: 23.10.2018 | Doc-Nr: PUB / 5459263 / 000 / 00...

This manual is also suitable for:

Dch 300-x