Hilti AG 125-A22 Mode D'emploi page 32

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.
5. Screw on the clamping nut corresponding to the type of accessory tool fitted.
6. Press the spindle lockbutton and hold it in this position.
7. Use the pin wrench to tighten the clamping nut securely, then release the spindle lockbutton and remove
the wrench.
6.7.2 Removing the accessory tool
1. Remove the battery. → page 24
CAUTION
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.
2. Press the spindle lockbutton and hold it in this position.
3. Release the clamping nut by gripping it with the wrench and turning the nut counterclockwise.
4. Release the spindle lockbutton and remove the accessory tool.
6.7.3 Fitting an accessory tool secured with a Kwik lock nut
CAUTION
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 (discs
etc.) can then be changed without need for additional tools (keyless system).
1. Remove the battery. → page 24
2. Clean the clamping flange and the quick-release clamping nut.
3. Fit the clamping flange onto the drive spindle.
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.
6. Press the spindle lockbutton and hold it in this position.
7. Turn the accessory tool firmly by hand in a clockwise direction until the Kwik lock nut is tightened
securely and then release the spindle lockbutton.
6.7.4 Removing an accessory tool secured with a Kwik lock nut
1. Remove the battery. → page 24
CAUTION
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.
2. Press the spindle lockbutton and hold it in this position.
3. Release the Kwik lock nut by turning it counterclockwise by hand.
4. If the Kwik lock nut cannot be released by turning it by hand, use a pin wrench to turn the nut in a
counterclockwise direction.
Never use a pipe wrench! A pipe wrench could damage the Kwik lock nut.
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