Battery Mess - Classic Toy Trains Magazine

Remove the shell and the motors, unsolder the wires and take everything apart as far as possible. Then take a toothbrush, and some soapy water and clean, clean, clean.

The bracket for the battery, the relais etc can be replaced, but the shell and diecast frame are difficult to get. Also try to clean the shell inside.

Then rewire the engine, overhaul the motors and place the new relais, horn etc, whatever you need to get it right. It's a very sturdy engine and the technics are not that difficult, so if you have a photocamera and take pictures whil taking it apart, you can rebuild your engine by those pictures.

My F3 also had battery damage, but the visible part after it had been cleaned and rebuild was almost nothing. Still works like a champ.