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Reply to "Advice needed on an MTH Proto-Sound 3 Locomotive (30-20974-1)"

the coupler should lock sitting on the track without power it is a mechanical coupler and coil energizing will unlock it! just push your fine closing the coupler and you hear a slight click as it locks!

Alan

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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