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rails lie on the same side of the
track. The cable connection of the
power supply must be put on
such that the negative rail is
powered when the speed control
knob is turned clockwise.
LGB Form Distant Signal 50910
The train operator knows a distant
signal is approaching by the sig-
nal warning sign. It allows him to
anticipate the position of the follo-
wing home signal. "Stop Signal
Ahead!" is signified by the vertical
position of the round signal disk
and the yellow signal light. "Pro-
ceed Signal Ahead" is indicated
by the horizontal position of the
signal disk and a green signal light.
Installation of Distant Signal
50910
This distant signal should be
carefully installed at least one
train length before the home sig-
nal. Because model railways are
usually not long enough to acco-
modate prototypical distant signal
distances, you may have to
depart from building exactly to
prototype in this case and com-
promise if possible. In the distant
signal package, you'll find the fol-
lowing pieces:
a) Distant signal
b) One half straight track section
(LGB No. 10150)
c) Three signal warning signsAt
the position of the section
where the distant signal is pla-
ced, install the No. 10150 track
piece and attach the signal
drive. Complete the installation
by inserting the signal in the
drive's socket.
LGB Light Signal 50950
The LGB Light Signal is packa-
ged together with the following
pieces:
1) Light Signal
2) Two insulated track sections
3) EPL signal drive with supple-
mentary switch
4) Activating magnet in plastic clip
5) One diode
6) Cable to connect 1203 with
10153 (1015U)
Installation of LGB Light Signal
50950
Install the insulated track section
and the assembly of the switch-
drive with supplementary switch
on the track the same way you
would for an LGB form signal. For
the light signal, the small plastic
clip must be affixed to the lever of
the signal drive. In the plastic clip
is a magnet, which causes the
signal light to change from red to
green. Finally, the light signal
should be inserted into the
socket.
Electrical Connection of the
Form Home Signals 50920,
50940 and 50960 and the Light
Signal 50950
Signal positions can be controlled
by depressing a switch on the
LGB Momentary Switch Control
Box 51750 (50750). The wire
connection from the switch con-
trol box to the connection clips
activates the signal drive under
the signal (Illustration 9).
To control one train, that is, to
make one train come to a halt
before the "Stop!" signal, some
additional wire connections are
necessary. A 6-pole connecting
block is concealed under the
covering of the insulated track
section 1015U (as shown in illust-
ration 6).:
To simplify the wiring process,
there are duplicate negative
connections.
Illustration 7 shows the wire
connections from the insulated
track section to the signal drive
with supplementary switch 12030,
whereby the wire must be atta-
ched to clips 2A and 2B in the
insulated track section.
The
connection
clips
then
connect to the supplementary
switch. By doing this, the supply
of power also flows to clips 1A
and 2B. Additionally, a cable
connection must be established
from the insulated track section
on the signal to the insulated
track section in front of the signal.
The various cable connections
necessary to link form home and
form distant signals are seen in
Illustation 8 and 9.
Electrical Connection of the
Distant SignalsDistant signals
have no ability to control trains.
They work in combination with the
home signal. For this reason, only
one cable connection from the
distant signal drive to the home
signal drive is necessary, which
should be attached to the home
signal clips leading to the switch
control box.
Lighting the Form Signals
The signal light is attached to
both the clips, which are arranged
to the side of the signal drive
directly behind the signal mast.
When you use several signals,
you should use an additional
transformer to supply power to
them (such as LGB's No. 50060).
This will help the main transfor-
mer supply power to your trains
more efficiently.
Installation of the Diode
The diode that comes with every
home signal, can be installed as
shown in illustration 13. The
diode's installation means that a
train will remain standing in front
of a signal showing "Stop!" Oppo-
sing traffic, however, can pass
without a forced stop at a signal
showing "Stop!" after the installa-
tion of the diode.
In case of using our multitrain
system, it is vitally important to
remove the diodes. Otherwise an
automatic train stop will not be
possible.
Attention! For digital operation,
the diode (Fig. 13a) must be
removed.
Replacing the Light Bulb
To replace a defective light bulb in
the signal light of form signals
50920, 50940 and 50960 (as well
as in distant signal 50910), use
the following procedure (shown in
illustrations 10 and 11):
1) Remove the cover of the signal
disk frame.
2) Push plug-in light bulb 68501
(5050/1) down and out of the
signal light and replace it by
pushing the new light bulb up.
Never attempt to extract a light
bulb downward by pulling on the
wiring.
Illustration 12 shows how to repla-
ce the light bulbs for main light
signal 50950.
9
10
After removal of the front panel,
the bulbs can be easily unscr-
ewed.
Switching the Signal Back
in a Train
The setting provided for in our illu-
stration 14 works as follows: The
locomotive through LGB Track
Contact No. 17100 (1700) swit-
ches the signal it just passed to
"Stop!", while "Proceed!" is swit-
ched via the Switch Control Box
51750 (or 50750).
Similar backswitches are also
needed for the installation of
blocking set-ups. A locomotive
that passes a signal showing
"Proceed!" switches the signal
(now behind it) to "Stop!" via
LGB's Track Contact No. 17100
(1700), thereby blocking the track
for a train that may be following
too closely.
Attention: It is not possible to in-
stall the US Semaphore Signal
50960 between parallel running
tracks.
In case of using our JUMBO
transformer, it is vitally important
to use the enclosed diode
(5 amps at least) for security
reasons.
F
Instructions de service
Signaux LGB
50910/50920/50940/
50950/50960
Avant-propos
Les signaux transmettent des
informations visuelles. Ces infor-
mations ou instructions sont com-
muniquées entre les postes de
services fixes (par ex: poste d'ai-
guillage) et les voitures motrices.
Elles assurent le bon fonctionne-
ment de l'installation.
Signaux sémaphoriques
Pour les signaux sémaphoriques,
les instructions sont transmises
par différentes positions des dis-
ques de signal ou des sémapho-
res. Les signaux lumineux se met-
tent alors en place devant un feu
de signalisation. Ils permettent,
par des couleurs différentes, de
reconnaître l'indication d'un sig-
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