I am restoring an AF 752A Coaling Tower and do not have access to a wiring schematic for this unit and the controller (3 buttons). Controller has 6 tabs + 2 untabbed contact points located on the underneath side. Two are obviously for the transformer leads and the four others are for the four colored wires inbound from the coaling tower. Any guidance would be appreciated. My email is the same as my name in this post.
Hello could you point me to some one who is knowledgeable about American Flyer ALCO PAs or if your familliar with the enigine I have a particular problem with the engine running in reverse. thank you
I just saw this question. The wiring diagram for the 785 coal loader is on portlines.com in the Repair Clinics section. The 752A and 785 wiring and control buttons are the same.
If a Gilbert diesel runs forward but not reverse the first thing to look at is the reverse unit. Use a spray contact cleaner, then examine the fingers to be sure they are not worn and are making contact with the rotating drum. Also make sure the drum ratchets and rotates when the power is turned on and off.
All the wiring diagrams are on the Portlines site. There are many other known problems with these diesels related to usage wear but almost all affect the operability in both directions.
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