Removing An Accessory Tool Secured With A Kwik Lock Nut - Hilti AG 4S-A22 Bedienungsanleitung

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. Clean the clamping flange and the quick-release clamping nut.
4. Fit the clamping flange onto the drive spindle.
5. Fit the accessory tool.
6. 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.
7. Press the spindle lock button and hold it in this position.
8. Turn the accessory tool firmly by hand in a clockwise direction until the Kwik lock nut is tightened
securely and then release the spindle lock button.
6.7.4

Removing an accessory tool secured with a Kwik lock nut

1. Remove the battery. → page 28
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.
5. Release the spindle lockbutton and remove the accessory tool.
6.7.5 Fitting the core bit
1. Remove the battery. → page 28
2. Fit the side handle. → page 28
3. Install the standard guard.
4. Place the core bit in position and tighten it hand-tight.
5. Press and hold down the spindle lock button.
6. Tighten the core bit with a suitable open-end wrench.
7. Then release the spindle lock button and remove the open-end wrench.
6.7.6 Fitting the wire brush
1. Remove the battery. → page 28
2. Fit the side handle. → page 28
3. Install the standard guard.
4. Place the wire brush in position and tighten it hand-tight.
5. Press and hold down the spindle lock button.
6. Tighten the wire brush with a suitable open-end wrench.
7. Then release the spindle lock button and remove the open-end wrench.
6.7.7 Fitting the abrasive resin-fiber disc
1. Remove the battery. → page 28
2. Fit the side handle. → page 28
3. Install the standard guard.
4. Fit the support plate and the abrasive resin-fiber disc, screw on the clamping nut and tighten it securely.
5. Press the spindle lock button and hold it in this position.
6. Use the pin wrench to tighten the clamping nut.
7. Release the spindle lock button and remove the pin wrench.
30 English
Printed: 29.08.2019 | Doc-Nr: PUB / 5476774 / 000 / 02
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