Hilti AG 125-A22 Mode D'emploi page 31

6.4.1 Fitting the guard
The guard is equipped with locating lugs that ensure only guards of a type suitable for use with the
power tool can be fitted. The locating lugs of the guard fit into the guard mount on the power tool.
1. Fit the guard onto the drive spindle collar so that the two triangular marks on the guard and on the power
tool are in alignment.
2. Press the guard onto the drive spindle collar.
3. Press the guard release button.
4. Rotate the guard until it engages and the guard release button jumps back into its original position.
6.4.2 Adjusting the guard
▶ Press the guard release button and then rotate the guard until it engages in the desired position.
6.4.3 Removing the hood
1. Press the guard release button and then rotate the guard until the triangular marks on the guard and the
power tool are in alignment.
2. Remove the guard.
6.5 Fitting or removing the front cover
The front cover, when used, is clipped onto the guard.
1. Position the front cover with the closed side on the standard guard and push it on until it engages.
2. To remove it, release the catch for the front cover and then lift the front cover away from the standard
guard.
6.6 Positioning the DC-EX 125/5"C dust hood (for cutting)
▶ Position the compact guard so that the on/off switch remains easily accessible and operable at all times.
6.7 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.
6.7.1 Fitting an accessory tool
1. Remove the battery. → page 24
2. Check that the O-ring is in place in the clamping flange and that it is undamaged.
Result
The O-ring is damaged.
There is no O-ring in the clamping flange.
▶ Fit a new clamping flange with O-ring.
3. Fit the clamping flange onto the drive spindle (keyed fit to prevent slipping/rotation).
4. Fit the accessory tool.
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