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Hilti AG 500-11S Mode D'emploi Original page 22

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6.4.3 Fitting a grinding disc 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. Grinding discs can then be changed without the need for
additional tools.
1. Disconnect the mains plug from the power outlet.
2. Clean the clamping flange and the quick-release clamping nut.
3. Fit the clamping flange onto the drive spindle.
4. Fit the grinding disc.
5. Screw on the Kwik lock nut until it is seated against the grinding disc.
➥ 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 grinding disc firmly by hand in a clockwise direction until
the Kwik lock nut is tightened securely and then release the spindle
lockbutton.
6.4.4 Removing a grinding disc secured with a Kwik lock nut
1. Disconnect the mains plug from the power outlet.
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!
Kwik lock nut.
5. Release the spindle lockbutton and remove the grinding disc.
6.4.5 Fitting a threaded accessory tool
1. Disconnect the mains plug from the power outlet.
2. Screw the accessory tool onto the drive spindle.
3. Press the spindle lockbutton and hold it in this position.
16
English
Printed: 19.10.2018 | Doc-Nr: PUB / 5402266 / 000 / 01
A pipe wrench could damage the
2141935
*2141935*
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