TCS T1 Digital Decoder Installation in early Stewart locomotives with light board.

by:
Carl Lester MMR 356
February, 2007
 

 

STEWART LOCOMOTIVE:  TCS “T1” DECODER INSTALLATION

1. Remove the light power board, save the screws and the light pipe.

2. Notice the truck power leads, front and rear of locomotive.

3. Notice the motor power leads, top and bottom.

4. Front of locomotive is to the left.

 

STEWART LOCOMOTIVE:  TCS “T1” DECODER INSTALLATION

 

 

Cut the light board into two pieces as shown. Discard the center section. Remove the protrusions on the under side of the board. File smooth. If not removed they will rub on the fly-wheel.

Reinstall the sections as shown.

FRONT OF ENGINE                                                                                              REAR OF ENGINE

The front section houses the light pipe, the rear section provides a resting place for the decoder.

The truck power leads are shown in this picture front and rear. The copper motor leads are also shown, top copper lead (left side of motor), Bottom copper lead (right side of motor).

 

STEWART LOCOMOTIVE:  TCS “T1” DECODER INSTALLATION

 

Motor leads, top and bottom, and truck power pick-ups front and rear are connected.

All connections protected with “Shrink Tubing”

The excess wiring is enclosed in a plastic straw, using the flex portion of the straw.

The leads for the front head light (LED Golden White 3mm) are shown and ready to be connected to the LED.

 

STEWART LOCOMOTIVE:  TCS “T1” DECODER INSTALLATION

The LED for the front headlight has been installed and inserted in the “light pipe”.

The light pipe holds the front board up away from the motor fly-wheel.

All that is left is to secure the wire bundle with electrical tape and install the locomotive shell.

 

STEWART LOCOMOTIVE:  TCS “T1” DECODER INSTALLATION

DECODER INSTALLATION COMPLETED

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