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Installation of the electrical drive
The manual operation can be removed after loosening the attachment screws. The adjustment spring is
introduced into the lug (Fig. 10) of the sliding valve first and the electrical drive is only then positioned
above the fixing columns with the screw shackles, to insert the electrical drive. The electrical drive can be
attached with the screws in turn after it has taken its correct position. It is recommended to attach the
sticker enclosed (Fig. 11) accordingly, to protect the coils.
Fig. 11
The electrical operation of the points is equipped with a limit stop for reasons of safety. This prevents a
lack of voltage at the respective coil after the completed adjustment procedure and overheating is thus
avoided.
The electrical actuator of the points also contains a switch element, with which the polarizing of the cross
frog of the points is enabled.
Fig. 12
Polarizing of the cross frog of the points
The cross frog is separated from the drive power circuit and thus currentless, to avoid short circuits, becau-
se both terminals of the drive current meet in the area of the cross frog. The power supply can be impaired
when the cross frog is crossed over for this reason, primarily in the case of short locomotives. The correct
polarity of the drive voltage, depending on the points setting, can be allocated to the cross frog, in order
to prevent this.
14
Colour coding
The connection plug of the connection cable is
plugged into the sockets on the face of the elec-
trical drive, to bring the points into operation elec-
trically by means of a points actuator (Art. 10520).
Attention must be paid at the same time that the
colours of the cable agree with the colours of the
colour coding positioned above the sockets (Fig. 12).
The installation plant represented in Fig. 12 corres-
ponds to that of left-branching points. The actuator
is installed turned by 180° in the case of right-bran-
ching points.
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