Hilti AG 5D-22-125 Original Bedienungsanleitung Seite 42

6.10 Fitting and removing accessory tools
WARNING
Risk of injury. The accessory tool may work loose due to the braking effect of the motor.
▶ Wait until the accessory tool has come to a standstill before touching or gripping the accessory tool or
the clamping nut.
▶ Secure the accessory tool by tightening the clamping flange and clamping nut firmly so that no parts
work loose from the spindle due to the braking effect of the motor.
CAUTION
Risk of injury. The accessory tool may be hot.
▶ Wear protective gloves when changing the accessory tool.
Diamond wheels must be replaced when their cutting or grinding performance drops significantly. This
generally is the case when the segments reach a height of less than 2 mm.
Other wheels must be replaced when their cutting performance drops significantly or other parts of
the angle grinder (not the wheel) come into contact with the material you are working on.
Abrasive wheels must be replaced when their expiry date has been reached.
6.10.1 Fitting an accessory tool
1. Check that the O-ring is in place in the clamping flange and that it is undamaged.
▶ Replace the O-ring if it is missing or damaged.
2. Fit the clamping flange onto the drive spindle (keyed fit to prevent slipping/rotation).
3. Fit the accessory tool.
4. Screw on the clamping nut corresponding to the type of accessory tool fitted.
5. Press the spindle lock button and hold it in this position.
6. Use the pin wrench to tighten the clamping nut securely, then release the spindle lock button and remove
the wrench.
6.10.2 Removing the accessory tool
WARNING
Risk of breakage and irreparable damage. If the spindle lockbutton is pressed while the spindle is
rotating, the accessory tool can detach from the power tool.
▶ Press the spindle lockbutton only when the spindle has stopped rotating.
1. Press the spindle lockbutton and hold it in this position.
2. Release the clamping nut by gripping it with the wrench and turning the nut counterclockwise.
3. Release the spindle lockbutton and remove the accessory tool.
6.10.3 Fitting an accessory tool secured with a Kwik lock nut
WARNING
Risk of breakage. Heavy wear (abrasion) may cause the Kwik lock nut to break.
▶ When working with the power tool, make sure that the Kwik lock nut doesn't come into contact with the
working surface.
▶ Do not use a damaged Kwik lock nut.
The optional Kwik lock nut can be used instead of the standard clamping nut. Accessory tools (wheels
etc.) can then be changed without need for additional tools (keyless system).
1. Clean the clamping flange and the quick-release clamping nut.
2. Check that the O-ring is in place in the clamping flange and that it is undamaged.
▶ Replace the O-ring if it is missing or damaged.
3. Fit the clamping flange on to the spindle (keyed fit to prevent slipping and rotation).
4. Fit the accessory tool.
5. Screw on the Kwik lock nut until it is seated against the accessory tool.
▶ The name Kwik lock should be visible when the nut is screwed on.
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