| Step | | Procedure & Parts & Tools |
| 1 |
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Place the electrical suction brush on the ground and place the lever in the vertical position.
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| 2 |
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Mount the suction unit on the electrical suction brush and push the locking device to the left (locked).
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| 3 |
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Turn the locking screw in the clockwise direction. The locking screw has to be mounted due to the safety regulations.
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