Fitting And Removing Accessory Tools; Removing The Accessory Tool - Hilti AG 4S-22 Manual De Instrucciones Original

As drop arrester for this product, use only a combination of the Hilti retaining strap and the Hilti tool tether
#2261970.
▶ Secure the retaining strap to the installation openings for accessories. Check that it holds securely.
▶ Secure one carabiner of the tool tether to the retaining strap and secure the second carabiner to a
load-bearing structure. Check that both carabiners hold securely.
Comply with the operating instructions of the Hilti retaining strap and those of the Hilti tool tether.
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.
CAUTION
Danger if accessory tool with integrated thread works loose! Incorrect installation of the accessory tool
can result in serious injury.
▶ Always tighten the accessory tool with integrated thread until it is hand-tight.
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 1/16".
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.
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 on the clamping nut corresponding to the type of accessory tool fitted.
6. Press the spindle lock button and hold it in this position.
7. Use the pin wrench to tighten the clamping nut securely, then release the spindle lock button and remove
the wrench.
6.9.2

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 lock button 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 lock button and remove the accessory tool.
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