This installation is for a HO-Scale Atlas UB30 short nose using a TCS WOW121-Diesel Decoder, IB-MB2 Motherboard with built in Keep Alive™ and WOWSpeaker kit.


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

HO-Scale Atlas UB30 short nose prior to WOW121-Diesel Decoder, IB-MB2, and speaker 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 Atlas UB30 short nose shown with the shell off.

    

First remove the front and rear lightboard screws shown in red above.

Unclip and disconnect the wires from the board. Once the wires are loose, the factory light board can easily be lifted from the chassis.
Shown with the board removed.

In this installation, it is neccessary to remove the original 6 pin jst connector and replace it.
For the kit connector, wire the front and rear annode wires to the blue and then the front and rear cathode wires respectively
to the white and yellow on the new jst connector.

Using the original screws. mount the IB-MB2 motherboard to the chassis and plug the jst connectors into the appropriate female mounting connectors.

Remove the two screws holding the original speaker enclosure and remove it from the chassis. Install the 35 x 16 speaker into the original enclosure,
securing it with hot glue and screw this assembly to the chassis. 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. Plug it into the motherboard.


Shown with all the connections secure and Kapton tape in place to keep loose wires from moving. Now you can plug in the WOW121 decoder.

To prevent pinched wires and potential shorts. we lace the wires into a bundle. With all three main components mounted, we can now 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 UB30 short nose is WOWsound equiped and ready to roll!



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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