roco 70378 Operating Manual Download Page 3

More information about the sound decoder can be found here

Decoder interface

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Starting locomotive operation

Maintenance of the model

Aux. 6

Aux. 7

GPIO/C

Zugbus-Clock / GPIO/B

Masse GND

Front light, Drivers cab 1

V (+)

Twist protection

Front light, Drivers cab 2

Speaker A

Speaker B

Aux. 4 

Aux. 3

GPIO/A / Zugbus-Data

DC (+) Elko

Engine right (+)

Engine left (-)

Track/Pick up right

Track/Pick up left

Aux. 1 red Taillight, Drivers cab 2

Aux. 2 red Taillight, Drivers cab 1

Aux. 5

Unwrap model:

  Take out the model cautiously 

with foil (fig. 1).

Operating instructions:

 Before use is advisab-

le to let the loco go around about 30 minutes for-
wards an 30 minutes backwards without load, to 
obtain an optomal circuit and best tractive power. 
The smallest radius this model should run is 

R2

 of 

the ROCO track system (R2 = 358 mm).

Your locomotive will run smoothly on clean tracks 
only. For this purpose we recommend using item 
no. 

46400, Roco track cleaning van

, or item 

no. 

10002, Roco track cleaning rubber

, for 

remo-ving heavy dirt.

Fittings:

 Operation is possible with different 

couplings (fig. 2). We recommend using the Roco 

close coupling.In the enclosed accessory bag you 

will find small kits to be fitted on your locomotive. 

Please 

mount them cautiously.

Attention! 

Use glue only if indicated (fig. 2). 

Running in digital mode:

 

Remove the jumper from the interface.
Finally put the plug of the chip into the interface 

as shown in fig. 5.

Installation of function decoders in the 
traction cars without motor:

 Remove the 

jumper from the interface.
Finally put the plug of the chip into the interface 

as shown in fig. 8.

To enjoy your model for a long time, it is neces-
ary to 

service

 it regulary (i.e. after it has been in 

ope-ration for approximately 30 hours).

1. Cleaning of wheel contacts:

 Wheel cont-

acts easily get dirty on tracks which are not enti-
rely clean. Use a small brush to 

remove dirt

 from 

spots marked in fig. 6.

2. Lubrication:

  Apply 

tiny oil drops

 to spots 

marked in fig. 7. Prior to lubrication dismantle lo

-

comotive (fig. 3). We recommend using item no. 

10906, Roco oiler

. For lubrication the gearparts 

(e.g. cogwheels, worm) we whould recommended 
our Roco 

special grease

 (item no. 

10905

). 

Attention:

 Please do not oil these parts when 

using our grease.

3. Motor Changing: 

First remove loco body and 

interior (fig. 3+9), and then the motor (fig. 9).

Assembly:

 During assembly please take care of 

correct position of contacts.

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Motor car 70378

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