HO Scale Stewart F3A Phase I with a TCS T1 decoder installed - performed by J.M.


Important Soldering Tip:
Please do not use any flux either liquid or paste on the mother board. It will damage it. Use only Rosin core solder approved for electronics use.
We recommend to use only Kester "44" rosin core, SN63PB37, .015" diameter, part number 24-6337-0007.
This can be ordered from Techni-Tool under Techni-Tool part number 488SO157

http://www.techni-tool.com

(Phase II shown above)

(Phase IV shown above)

(Phase I shown above)

First remove the shell by lifting it off.

Remove the motor tabs from under the copper bars, remove the bulb wires from the copper bars, and rotate the copper bars so that the trapezoidal bend is vertical as shown in the images below.

   

Now attach the orange and grey wires to the motor tabs. Use heat shrink tubing to cover the entire copper tab and solder joint to prevent an electrical short.

Next, attach the red and black wires to the top of the copper bars where they rise above the plastic board.

finally attach the blue and white wires from the decoder to either side of the bulb.

Your finished installation should look like the image below.

Once you are sure all solder joints are properly isolated and protected you can put the shell back on your locomotive. It is now ready to run!


Other solder tips: When stripping wire, only strip a tiny little bit of the insulation. Strip no more then a 1/64 of an inch. When the wire gets tinned with solder the insulation will shrink back more. Try to not expose any more wire then half the length of the solder pad at most. In no case should solder or exposed wire wire ever be outside the boundary of the the solder pad you are attaching a wire to.
Click here for important information on properly Stripping and Tinning wire

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