Rough Grinding; Switching Off - Hilti AG 4S-22 Manual Del Usuario

6. Then release the spindle lock button and remove the open-end wrench.
6.9.6 Fitting the wire brush
1. Fit the side handle. → page 33
2. Install the standard guard.
3. Place the wire brush in position and tighten it hand-tight.
4. Press the spindle lock button and hold it in this position.
5. Tighten the wire brush with a suitable open-end wrench.
6. Then release the spindle lock button and remove the open-end wrench.
6.9.7 Fitting the abrasive resin-fiber wheel
1. Fit the side handle. → page 33
2. Install the standard guard.
3. Fit the support plate and the abrasive resin-fiber wheel, screw on the clamping nut and tighten it securely.
4. Press the spindle lock button and hold it in this position.
5. Use the pin wrench to tighten the clamping nut.
6. Release the spindle lock button and remove the pin wrench.
7 Operation
7.1 Switching on
1. Press the rear section of the on/off switch.
2. Slide the on/off switch forward.
▶ The motor runs.
3. Lock the on/off switch.
7.2 Grinding
WARNING
Risk of injury. The accessory tool may suddenly stick or stall.
▶ Use the product with the side handle fitted and always hold the product securely with both hands.
Do not allow the accessory tool to jam and avoid excessive pressure on the product.
7.3 Cutting
▶ When cutting, keep the rate of advance moderate and do not tilt the product or the cut-off wheel to either
side (working position is at approx. 90° to the cutting plane).
For best results when cutting profiles and small rectangular tube, start cutting with the cut-off
wheel at the smallest cross-section.
7.4

Rough grinding

WARNING
Risk of injury. The abrasive cut-off wheel could shatter and flying fragments may cause injury.
▶ Never use abrasive cut-off wheels for 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.
7.5

Switching off

▶ Press the rear section of the on/off switch.
▶ The on/off switch jumps into the off position and the motor stops.
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