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northmill

There is no guide that I know of but then again I never looked, maybe somebody has made something similar and posted it on YouTube or a Model railroad forum, Dunno.
I guess you could...

Add weight to the tender, ¼ to ½ oz. works well. Make certain the weight(s) are completely insulated from any wires or contact strips, as to avoid a short.
Be sure to position the wires from the...

The trucks from the Spectrum slopeback, short, medium, and long tenders are all the same and all interchangeable amongst themselves.
I would imagine the Spectrum three axle trucks are all...

@DMK
Before you send it back, tell us what happened?
With the exploded view and @ChicagoNW explanation, seems like a pretty straight forward repair/reassembly.
Did something break? Is something...

From the Bachmann site;

N528X-IS001-3 (bachmanntrains.com)