Digitrax DN166I1D Manuel - Page 2

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Parts List

1 DN166I1D Mobile Decoder

Installation Information

See the Digitrax Decoder Manual for complete decoder test procedures, instal-

lation instructions, programming and technical information. Digitrax manuals

and instructions are updated periodically. Please visit www.digitrax.com for the

latest versions, technical updates and additional locomotive-specific installation

instructions. CAUTION: Programming and layout track must not exceed

16V when using this decoder.

Installation Instructions

Carefully remove the locomo-

tive's shell from the frame by

inserting two toothpicks under

the unit's ladders as shown.

Once you've positioned the

toothpicks, grasp the frame and

toothpicks with one hand and

the locomotive's shell with the

other hand and carefully sepa-

rate the two.

Once the shell is off, remove the

existing light board by removing

the two screws located on the

diagonal corners of the board

and unsoldering the motor and

light connections

Take the new DN166I1D decod-

er and feed the motor leads up

through the holes as show in

Figure 4.

Solder headlight leads and

motor leads to the new decoder

board as show. The final step

is to secure the decoder with

the original screws. Note: the

locomotive's frame halves may

have to be loosened slightly to achieve proper alignment.

CAUTION: When attaching headlight and motor wires, be very careful

that the wires you attach do not come into contact with any other pads

or components on the board where they might create a short circuit.

Figure 1: Insert

toothpicks as

shown

Unsolder light and

motor connections

Figure 2: Unsolder the wires

from the light board.

— 2 —

1 Instruction Sheet

Toothpicks

inserted under

center of body