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8.4
Adjusting the tension roller
The tension roller keeps automatically the track of the sanding belt concentrically to the sanding
drum. If with time the sanding belt fails to run concentrically to the sanding drum, the tension
roller must be newly adjusted.
Caution! Danger of injury!
Adjustments of the sanding belt while the machine is running and the sanding drum cover
is open may only be performed by qualified personnel (in accordance with VBG 1,
§ 41 adjustment).
Caution!
Wear safety goggles and avoid loose clothing before making these adjustments.
Instructions:
Caution!
Before beginning with the following procedure, the main lifting lever must be pulled
backwards to remove the sanding drum from the floor.
1. Make sure that the motor is in the off position and the machine is disconnected from the
mains power.
2. Open the sanding drum cover.
3. Insert a sanding belt.
4. Shift the tension lever backwards to place tension on the sanding belt.
5. Loosen the retaining nut (1).
6. Connect the machine to the mains power (see chapter 7.7 and chapter 7.8).
7. Allow the machine to run in position "I".
8. By turning the adjusting nuts (2), you can move the tension roller to influence the path of the
sanding belt. Adjust the position of the sanding belt until it runs in the middle of the sanding drum.
9. Switch the machine off.
10. Disconnect the machine from the mains power.
11. Tighten the adjusting nuts (2).
12. Tighten the retaining nut (1) securely.
13. Close the sanding drum cover.
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05/2011
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