DCH 300 Operating instructions en Mode d’emploi fr Manual de instrucciones es Manual de instruções pt
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DCH 300 Diamond cutter It is essential that the operating instructions are read before the machine is operated for the first time. Always keep these operating instructions together with the machine. Ensure that the operating instructions are with the machine when it is given to other persons. Contents 1. General information 2. Description 3. Accessories, consumables 4. Technical data 5. Safety instructions 6. Before use 7. Operation 8. Care and maintenance 9. Troubleshooting 10. Disposal 11.
CAUTION Draws attention to a potentially dangerous situation that could lead to slight personal injury or damage to the equipment or other property. en NOTE Draws attention to an instruction or other useful information. Symbols Read the operating instructions before use. Return waste material for recycling. Amps Volts Alternating current Revolutions per minute Diameter Nominal speed under no load 1.
The working environment may be as follows: construction site, workshop, renovation, conversion or new construction. To avoid the risk of injury, use only genuine Hilti accessories and cutting tools. Observe the safety rules and operating instructions for the accessories used. Observe the information printed in the operating instructions concerning operation, care and maintenance. The machine is designed for professional use and may be operated, serviced and maintained only by trained, authorized personnel.
en 2.9 Using extension cords Use only extension cords of a type approved for the application and with conductors of adequate gauge. The power tool may otherwise lose performance and the extension cord may overheat. Check the extension cord for damage at regular intervals. Replace damaged extension cords. Recommended minimum conductor gauge (cross section) and max.
3. Accessories, consumables DCH 300 ABR disc mount Depth gauge for the DCH 300 Vacuum cleaner Antistatic hose, complete Hilti toolbox 212259, Reversible flange Ø80 mm, clamping flange Ø80 mm, clamping nut M16 x 1.5 212131 en VCD 50 Length 5 m (16.
5. Safety instructions en 5.1 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. The term “power tool” in the warnings refers to your mains‐operated (corded) power tool or battery‐operated (cordless) power tool. 5.1.1 Work area safety a) Keep work area clean and well lit.
d) e) f) g) or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally. Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool. Power tools are dangerous in the hands of untrained users. Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts and any other condition that may affect the power tool’s operation.
en k) Position the cord clear of the spinning accessory. If you lose control, the cord may be cut or snagged and your hand or arm may be pulled into the spinning accessory. l) Never lay the power tool down until the accessory has come to a complete stop. The spinning accessory may grab the surface and pull the power tool out of your control. m)Do not run the power tool while carrying it at your side.
b) c) d) e) f) the wheel in the cut and the possibility of kickback or wheel breakage. 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. When wheel is binding or when interrupting a cut for any reason, switch off the power tool and hold the power tool motionless until the wheel comes to a complete stop.
on your skin may promote absorption of harmful chemicals. en 5.3.3 Power tool use and care a) Cutting discs must be stored, handled and fitted carefully in accordance with the manufacturer’s instructions. b) If use of a spacer ring or other intermediate part is specified and the part is supplied with the cutting disc, check to ensure that the part is fitted. c) Secure the workpiece. Use clamps or a vice to secure the workpiece.
5.3.6 Personal protective equipment hat, ear protection, protective gloves and breathing protection while the machine is in use. en The user and any other persons in the vicinity must wear ANSI Z87.1‐approved eye protection, a hard 6. Before use WARNING The supply cord must be disconnected from the electric supply and the cutting disc or drive spindle must have come to a complete stop before attempting to change or adjust discs, parts of the tool or its accessories.
2. Move the cutting depth sliding indicator to the desired cutting depth. en 6.3 Fitting a cutting disc DANGER Use only the metric‐size clamping flange and the wrench supplied with the power tool. CAUTION Use only cutting tools with a rated maximum permissible speed which is at least as high as the machine’s highest no‐load running speed. CAUTION Cutting discs which are damaged or out of round (causing vibration) must not be used.
8. Check to ensure that the spindle lockbutton has disengaged. 6.4 Removing the cutting disc from the tool To remove the cutting disc from the tool, follow the instructions for fitting the disc but carry out the steps in the reverse order. 6.5 Storing and transporting cutting discs CAUTION Remove the cutting disc from the power tool after use. The cutting disc may suffer damage if the power tool is transported with the disc fitted.
en 7.2.1 Unlocking the power tool 1. Plug the supply cord into the power outlet. The yellow theft protection indicator LED blinks. The power tool is then ready to receive the signal from the TPS key. 2. Hold the TPS key against the lock symbol. The power tool is unlocked as soon as the yellow theft protection indicator LED no longer lights.
8. Care and maintenance CAUTION Disconnect the supply cord plug from the power outlet. 8.1 Care of the power tool DANGER When working on metal under extreme conditions, conductive dust may accumulate inside the power tool. This may negatively affect the power tool’s protective insulation. Under such conditions, the tool should be plugged into a ground fault circuit interrupter (GFCI) and use of a stationary dust removal system and frequent cleaning of the tool’s cooling air slots is recommended.
Fault Possible cause Remedy The power tool doesn’t start. The power tool has not been unlocked (tools with optional theft protection system). The on / off switch is defective. Use the TPS key to unlock the power tool. en The power tool has been overloaded (application limits exceeded). The overheating protection system is active. Other electrical fault. The power tool doesn’t achieve full power. The power tool doesn’t start and the service indicator blinks red.
11. Manufacturer’s warranty Hilti warrants that the tool supplied is free of defects in material and workmanship. This warranty is valid so long as the tool is operated and handled correctly, cleaned and serviced properly and in accordance with the Hilti Operating Instructions, and the technical system is maintained. This means that only original Hilti consumables, components and spare parts may be used in the tool. Additional claims are excluded, unless stringent national rules prohibit such exclusion.
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Hilti Corporation 212019 / A 212019 Hilti = registered trademark of Hilti Corp., Schaan W 3407 0308 00-Pos. 3 1 Printed in Liechtenstein © 2008 Right of technical and programme changes reserved S. E. & O. *212019* LI-9494 Schaan Tel.: +423 / 234 21 11 Fax: +423 / 234 29 65 www.hilti.
