LGB 1989 Manual Download

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LGB-ELECTRIC

LOCOMOTIVES

LEHMANN LARGE-SCALE

RAILWAY

THE BIG TRAIN

NOMINAL SIZE G (11m)
GAUGE45mm

The LGB is simple to assemble. No special
knowledge is required to operate your model

railway. Never-the less-, these fully descriptive

operating instruction have been prepared
according to the latest state-of

the-art

so that

they can be your friend and hel per for your LGB

hobby

Naturally

you can only fully enjoy your

hobby when you are "in the picture"

Contents

Preface - Model technology

Electric Locomotives

Overhead lines -
Construction

and operation

2030 Bo-Locomotive

- The Smallest

Tramcars 2035, 3500
2040 CC-Electric

Locomotive

The Brown Crocodile
2045 1'B1

Electric Locomotive

2046 Rack Locomotive
Outdoor operation with overhead lines
Service - Outdoor operation
Literature

- Page 2 -

Model Technology

of LGB-Electric

Locomotives
Multi-train

operation

with overhead

lines

Preface

Switzerland, with its successful railway
modernization

shows that even today, narrow

gauge tracks have an enormous future

For

instance, the large network of the Rhätischen
Railway is operated the same as a lull-sized one

Regular services are operated, at frequent

intervals, with freight

passenger and express

trains

They are controlled by means of the most

modern railway state-of-the-art

techniques, such

signals and telecommunication

systems,

automatic security operation with block sectional
control and track diagram push-button system.
Express trains with through coaches and
restaurant cars together with automobile carriers,
save the long distances over the Albula-pass etc

This being, in most cases

the quickest way into

the next valley.

LGB-Electric

Locomotives

are exact replicas of

their

Big Brothers

Current collection can be

either from the tracks or from the overhead lines

For "Romantic under Overhead-Lines"

5 diffe-

rent locomotives fitted with pantographs

are

available

The most important

spare parts list can be

found on Page 11

Transformer

selection

Controller

Orivingcurrent Locomotive

Current

consumption
mA

Which transformer

for which locomotive?

The different current consumptions

are

dependent upon: Size of locomotive, pulling
power and design.

For an optimum operation, a correctly

dimensioned

transformer

is necessary. Always

select a transformer with a small amount of power
reserve. Alilocomotives

require 18 volts d. c.

(max. 22 volts for large open-air layouts).
Siow driving begins even with a voltage as low as

3 volts. In orderto keepthe voltagedrop

as low as

possible on large layouts, the diameter of the
hook-up wires should not be too thin. The
LGB-Stranded

wire has a cross-sectional

area of

5 mm

and is available by the meter

VDE-Television

and radio interference

..,

suppression

in all LGB locomotives.

Model technology

All LGB-Gearings
are in dustproof housings and are therefore suit-
able for operating on outdoor layouts

Dismantling a twin-axle gearing

1 Contact shoe

2 Carbon brushes
3 Open gearing case by unscrewing

the four securing screws

4 Universal high-powered

motor

5 Thrust bearing for motor shaft

6 Gears with axle
Dismantlin9

new types of gear-boxes

Fig.2

Remove the lower gear

box cover by

unscrewing the-4 fixing screws

One can now

replace

1) The sliding contact shoe 2218

2) The

current collection carbon brushes 2110 resp

2120,3) The sets of wheels

The upper gear-box

cover should only be removed when the motor is
to be replaced

Page

2200

2070/83

2200/6

6-7

8
9

10
11
12

Electric

Locomotive

Operation

All about the operation

of Electric

Locomoti-

ves.

Model Electric Locomotives

offer their owners

two possibilities of operation

• Normal track operation

The locomotives are set for this art of operation in
the LGB factory

Not everybody who is an

LGB-enthusiast

has overhead lines in his or her

layout.

• Overhead lines

When one takes the trouble to build LGB over

head lines to the layout

then one becomes

without special technical switching problems, an
extra circuit on the layout.

This brings the greatest advantage

Two

trains can be independently

operated on the

same track section!

It is only necessary, to switch the locomotives,

means of the switch provided

to overhead

traction. Two-train operation on an LGB-Layout is
as simple as that:
•

Two trains travelling in opposits directions
pass at a siding

•

two trains follow one another on the same
section of track,

•

shunting a second locomotive into position,
e

on a mountain track,

•

one train travelling on a section of track while
the other one is being shunted in the railroad
station,

•

two locomotives being simultaneously
shunted in the railroad station

•

independent

locomotive lighting with Electric

Locomotive 2040

In every electric

locomotive,

a function

switch

is fitted for switching

the driving

wheels to

overhead

traction.

Fig. 3

Every LGB overhead traction vehicle is

fitted with a switch for selecting the type of
traction: "Overhead or Rail traction"

The switch isset to rail traction before leaving the
factory

When the switch is changed to overhead

traction, then the circuit is broken to one set of
wheels and at the same time, is connected to the

pantograph

The midde

switch position of the switch allows

the vehicle to be parked, (dead).

For locomotives

not fitted with non

skid tyres

(2030,2033,2046)

or fitted with two (4045), the

switchable wheels are marked with a red spot on
the underside of the locomotive

M = Return side

negative rail

Friction tyre side

positive rail

2210
2110

-Page3

Overhead

lines and multi-train

operation

Possibilities

of connecting

trains on one

track.

Single train operation
Electric locomotives are operated without
overhead lines, in exactly the same way as
"normal

diesel or steam locomotives,

by means

of wheel pick-ups from the two tracks

Fig

1 To enable an electric locomotive to be

operated from overhead lines through the raised
pantograph, three points must be observed:

The overhead catenary system should be

connected by means of the Connecting

Mast

6001 (or an Overhead Lines Suspension

6101)

through the red lead to the positive connection of
the transformer

(1).

One track rail is connected by means of the blue
lead to the negative connection,

(2)

2. The operating selection switch should be
switched to the mast symbol. Raise pantograph.
3

Place the locomotive onto the tracks correctly

i. e

the electric locomotive should be placed onto

the tracks with the non-friction tyred wheel side to
the live rail

For locomotives wh ich have no friction tyres
(2030

2033)

the negative (ground) side is

marked with a "red spot"

For LGB Technicians

Which rail is the positive?: The positive rail is
always the left

hand one when looking in the

direction

travel. In our circuit plans, the red lead

is the positive, i. e. all vehicles travel, as shown

the right. Controller knob turned to the right

positive pole is connected to the transformer
connection

Two train operation
The overhead lines become especially
interesting when a second locomotive is to be
driven on the same section of track (Multi-train
operation)

Forthis system, a second controller or

electronic controller is necessary

Fig.4

The connections

to the tracks are normal.

The only point to be observed

is that one rail

should be supplied from both negative
connections

(2). This rail is called the common

return rail. The truly overhead operated
locomotive must be placed onto the tracks with

the non-friction tyred wheel side to the live rail. If
two locomotives are to be operated on the same
tracks

the operating selection switch of only one