HO-Scale Broadway Limited Blue Line ATSF 4-8-4 with a DP2X Decoder - 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


First remove the tender from the locomotive and take the shell off the ender by squeezing it on either side and rocking it back and forth until it slips off the chassis. When the shell is remove the tender should look like the picture below.

Next remove the dummy plug from the 8-Pin NMRA socket and install an extension plug in the socket. Be sure to note the location of the square pad on the dummy plug. This pad identifies pin one and must be used to orient the decoder.The image below shows what this should look like.

Next install the DP2X. Be sure to orient pin one to match the location of the square pad on the dummy plug which you removed. The image below shows the DP2X installed.

Replace the shell on the tender. Attach the tender to the locomotive and you are ready to run your train.

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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