Hilti AG 125-15DB Mode D'emploi Original page 31

2. Press the spindle lockbutton and hold it in this position.
3. Release the clamping nut by gripping it with the pin wrench and turning the nut counterclockwise.
4. Release the spindle lockbutton and remove the grinding disc.
6.5 Fitting the abrasive resin-fiber disc
1. Disconnect the mains plug from the power outlet.
2. Fit the side handle. → page 23
3. Install the guard. → page 24
4. Fit the support plate and the abrasive resin-fiber disc, screw on the clamping nut and tighten it securely.
5. Press the spindle lockbutton and hold it in this position.
6. Use the pin wrench to tighten the clamping nut securely, then release the spindle lockbutton and remove
the wrench.
7 Types of work
WARNING
A damaged supply cord presents a hazard! Do not touch the supply cord or extension cord if damaged
while working. Disconnect the supply cord plug from the power outlet.
▶ Check the appliance's supply cord at regular intervals and have it replaced by a qualified specialist if
found to be damaged.
Check extension cords at regular intervals and replace them if found to be damaged.
7.1 Switching on 10
The on/off switch with built-in safety lock enables the user to check the switch function and prevents
inadvertent starting of the product.
1. Plug the supply cord into the power outlet.
2. Slide the safety lock forward to unlock the on/off switch.
3. Fully depress the on/off switch.
◁ The motor runs.
7.2 Grinding
CAUTION
Risk of injury. The accessory tool may suddenly stick or stall.
▶ Use the power tool with the side handle (or optional hoop grip) fitted and always hold the power tool
securely with both hands.
7.2.1 Cutting
▶ When cutting, apply moderate feed pressure and do not tilt the product or the cutting disc to either side
(hold at approx. 90° to the cutting plane).
For best results when cutting profiles and small-section rectangular tubes, start cutting at the
smallest cross section.
7.2.2 Rough grinding
▶ Move the product to and fro while maintaining a 5° to 30° angle of attack and applying moderate pressure.
◁ This will avoid overheating and discoloration of the workpiece and help ensure an even surface finish.
7.3 Switching off
▶ Release the on/off switch.
◁ The safety lock jumps back automatically into the locked position and the motor stops.
2143515
*2143515*
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English 25