Hilti AG 6D-22-150 Manual De Instrucciones Original página 43

1. Position the front cover, with the closed side facing up, on the standard guard.
▶ The lock must engage with an audible click.
2. To remove, open the lock of the front cover.
3. Remove the front cover from the standard guard.
6.9 Fitting and removing accessory tools
CAUTION
Risk of injury. The accessory tool may be hot.
▶ Wear protective gloves when changing the accessory tool.
Diamond discs 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 discs must be replaced when their cutting performance drops significantly or other parts of the
angle grinder (not the disc) come into contact with the material you are working on.
Abrasive discs must be replaced when their expiry date has been reached.
6.9.1 Installing accessory tool
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.
1. Clean the clamping flange and the 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 the clamping nut on to the drive spindle collar.
6. Press and hold down the spindle lock button.
7. Tighten the clamping nut with the pin wrench.
6.9.2 Removing 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 and hold down the spindle lock button.
2. Release the clamping nut by gripping it with the pin wrench and turning the wrench counter-clockwise.
3. Release the spindle lock button and remove the accessory tool.
6.9.3 Installing Kwik lock
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 quick-release lock nut can be used instead of the standard clamping nut.
Accessory tools can then be changed without need for additional tools (keyless system).
1. Clean the clamping flange and the clamping nut.
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