1 695 655 779
2010-11-9
|
Robert Bosch GmbH
Replacement interventions | WBE 4140 | 41
en
9.4
Diameter potentiometer positioning procedu-
re
1.
Remove only the carter without disconnecting the
board;
2.
Start the balancing machine;
3.
Enter the test menu;
4.
Keep the value IN4 of the board shown;
5.
unblock the nut on the shaft“A” (fig.18, pos.1);
Fig. 18:
6.
Slightly extract the rod of the calliper;
7.
Now lean the gauge against the shaft, turn the
potentiometer “B” as far as the value of 3000 ± 50;
Fig. 19:
8.
Block the nut “A” on the shaft (fig.18, pos.1);
9.5
Engine belt replacement
1.
Remove the weights protection;
2.
Remove the central centring flange (fig.20, pos.1)
and, once loosened the three screws (fig.20, pos.4)
and the two screws (fig.20, pos.2);
3.
Remove the pin cover in fig.20,pos.3 and the side
cover of the motor closing in fig.20, pos. 5;
1
2
3
4
5
Fig. 20:
4.
Remove the belt of the motor by loosening the three
side screws (fig.21, pos. 1) and the screw (fig.21,
pos.2) in order to loosen the belt;
;
Fig. 21: Belt replacement
5.
adjust the tension of the belt (by tightening the
adjustment screw) until it possible to manually
rotate by 90°.
"
Belt tensioning check.
9.
Check the correct functioning during the stroke;
10.
Close the machine;
11.
Proceed with the calibration of gauges (chapter
Calibration menu).
