This installation is for a HO-Scale Stewart ALCO C628 using a TCS WOW121 Diesel Decoder, AK-MB1 Motherboard with built in Keep Alive™
and UNIV-SH4-C WOWSpeaker kit by TCS.
|These items are available in the WDK-ATL-2 which was used for this installation.|
|AK-MB1 Motherboard with Keep Alive™||WOW121-Diesel Decoder||UNIV-SH4-C Speaker Kit|
|Click here for more information on the WDK-ATL-2 and the rest of the WOWDiesel Kits line.|
HO-Scale Stewart ALCO C628 shown prior to installation.
To start off this install, we must first remove the front and rear coupler screws highlighted above and their housings.
With the couplers removed, while gently pulling outwards at each end and along each side of the frame, lift the shell off of the frame.
Take care to release the handrails as you lift off the shell so they don't break.
The Stewart ALCO C628 shown with the shell off. Remove the wires from the original lighting board and then remove it from the chassis.
With the original lighting board removed, trim, tin or lengthen the wires as necessary.
In order to mount the AK-MB1 to the chassis, it is necessary to trim off the two plastic tabs highlighted above in red to create a flat platform.
Attach the AK-MB1 to the chassis using double sided foam tape and solder the motor and track pickup wires according to the included wiring diagram.
We used a piece of 1" wide Kapton tape, TCS part #KT4 to insulate the bottom of the new motherboard from the top of the motor.
Trim the LED's from the original lighting board and solder lead wires to them for reinstallation. We insulated these splice joints using TCS part #1320,
3/64" heat shrink tubing.
With the leads in place, using a small amount of hot melt glue secure the front LED onto the roof of the cab as shown in the above left photo. In this installation,
while you can replace the front LED in it's original holder, as the speaker will block the rear light we chose this arrangment to match the lighting intensity,
and then utilized the front holder to route the front LED wires through.
Using the same technique, secure the rear LED to the back as shown to the right and then with the 25mm X 14mm speaker inserted into the UNIV-SH4-C enclosure,
mount this assembly into the top of the shell using double sided foam tape.
NOTE: You must be very careful to avoid getting glue on the speaker cone. Glue on the speaker will ultimately cause it to produce no sound and fail.
With the interior of the shell fitted with the LED's and speaker, solder these leads to the AK-MB1 according to the included wiring diagram.
You can now plug in your WOW121 decoder.
Now you can close up the locomotive and reinstall the coupler assemblies. Be sure to be mindful of wire routing and reassembly of the shell as to not damage
or foul the installation. Your Stewart ALCO C628 is now WOWSound equipped and ready to roll!
Click here for important information on properly Stripping and Tinning wire