11. Replacement Interventions; Pick-Up Replacement; Replacement Easy Aludata Calliper - Bosch WBE 4120 Instructions De Réparation

11. Replacement interventions

11.1

Pick-up replacement

1. Remove the weights protection;
Abb. 14: Guard removal
2. Disconnect the action-centre;
3. Loosen the fixing screw of the feeler (fig.15, pos.1);
4. Extract the entire Easy Aludata calliper unit from the
machine;
5. Loose the drive belt and remove it;
6. Loosen the 4 allen screws that keep it in position
and extract the oscillating unit (fig.12);
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Abb. 15: Removal of the oscillating unit
7. Loose the locking nut put under the pick-up;
8. Unscrew position nut (fig.13, pos.1);
9. If necessary, insert the new pick–up;
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Abb. 16:
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To keep the spheres in position, use a little of oil
grease;
Bosch Automotive Service Solutions GmbH
Replacement interventions | WBE 4120 / WBE 4120 D / WBE 4120 DT | 65
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10. Screw the nut until you cannot turn it manu-
ally;
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Manually: lock the nut making a half turn with the
key;
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With a dynamometric key, apply a 4 n/m strength;
11. Keep the Allen key and fix the locking nut
(fig.14);
Abb. 17:
12. Mount again the shaft inside the machine;
13. Reconnect the engine.
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In order to check that the reparation has been suc-
cessful, check the tensions again and go on making
a new calibration of the machine.
11.2

Replacement Easy Aludata calliper

1. Remove the weights protection;
2. Disconnect the action-centre;
3. Loosen the fixing screw of the feeler (fig.15, pos.1);
Abb. 18:
4. Extract the entire Easy Aludata calliper unit from the
machine;
5. Replace the calliper unit
6. Reassemble it following the same disassembling
procedure.
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1 695 600 579 2016-08-02