ABB SF6 LTB 245E1 BLG 1002A, Product Manual

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Operating Mechanism Maintenance
28
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 4-9. 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 4-10. 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 of
Direction
Direction of
3
1
2
B20003
of
of rotation
power
power
1
2
B20004
1
2