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50 Posts
Great job Flyernut! I am blown away. Thanks again.
I have around 8 smoke units ready to go, brush bracket assemblies all ready to go, armatures, about a dozen field coils all tested and ready, and about a dozen of those bronze bushings as spares..One of the most common problems I see is when the armature won't turn the drive wheels, and the problem is a seized smoke unit, that is the gear is seized up with either smoke fluid or old grease. And if I may, if you look at one of those rear bronze bushings, you'll see a pattern of marks at the 12'00 o'clock 3,6, and 9.. Try to get them back into the correct spot, that is where they push right in without any trouble.Thinking that if you mis-align that bushing to make it tight, you'll have to either tap it in, and push it in somehow. When you do that, you'll make the bushing oblong, and the armature rear shaft will no longer fit into bushing.. Don't ask how I know!! JB Weld the bushing in, let cure for 24 hours.These model AF steamers are similar to real steam engines. They require lots of
maintenance and lubes. Its always something to keep them in top form. My 336
needs to go in the shop. It runs forward just fine. Reverse is slower than it should be.
I suspect a frayed harness wire. Well, that is 2 rear bushings that are spinning, that
you have found in a week. I need to start looking for that when I work on these locos.
Thanks for telling us what you found. I pay attention when you speak and have learned
alot. Thanks. Always nice to put one back in service.