Operating Mechanism Maintenance
24 1HSB515409-100 en rev2
5. The closing springs are uncharged.
a. Place the crank (1) on the shaft.
b. Press the reverse catch button (2) in hard using a screwdriver to release the
reverse catch and discharge the springs. Crank clockwise until the spring
yoke has reached the bottom position and rests against the foot of the
frame.
Figure 4-4. Drive unit
6. Blocking beams fitted.
a. Fit the blocking beam (1) around the rod so that the fixing hole is facing
out towards the cabinet. Fit the bolt (2) in the blocking beam.
b. Fit the other beam in the
same way.
Figure 4-5. Fitting the blocking beams
Item
1 Crank
2 Reverse catch button
3 Switch Motor/Hand
Item
1 Blocking beams 2 pcs.
2 Bolts M8x60 2 pcs.
Direction
Direction
Direction
3
1
2
B20003
of rotation
of power
of power
1
2
B20004
1
2
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