Hilti Nuron AG 4S-22 Bedienungsanleitung Seite 40

6.7 Fitting or removing the guard
CAUTION
Risk of injury. The accessory tool may be hot or have sharp edges.
▶ Wear protective gloves when fitting, removing or adjusting the accessory tool or other parts and when
troubleshooting.
▶ Observe the instructions for fitting the applicable guard.
6.7.1 Installing standard guard
The guard has coded locating lugs to ensure that only a guard suitable for use with the product can
be installed. The coded locating lugs of the guard fit into the guard mount on the product.
1. Fit the guard on to the arbor collar so that the two triangular marks on the guard and on the product are
in alignment.
2. Press the guard on to the drive spindle collar.
3. Press the guard release button and turn the guard until it engages in the desired position.
▶ The guard release button jumps back.
6.7.2 Adjusting standard guard
▶ Press the guard release button and then rotate the guard until it engages in the desired position.
6.7.3 Removing standard guard
1. Press the guard release button and turn the guard until the triangular marks on the guard and on the
product are in alignment.
2. Remove the guard.
6.8 Fitting or removing the front cover
The front cover must be in position on the standard guard.
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 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.
6.9.1 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.
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