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A friend stopped by today and dropped off this transformer, some O gauge track, and four 022 Lionel switches. He said as best he could remember all were about 55 years old. He's cleaning things out of his basement and was going to trash whatever I didn't want.

I cleaned the transformer up, replaced the AC power cord and turned it on. All four outputs work perfectly, with no load each of the four outputs registers 0 to 22 volts AC. As you can see, it neads a new handle on the left side.

My question is: Might there be a handle out there in the model train world to replace the broken one?

Thanks in advance for any suggestion.

Glen.



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Hi Glen, Sounds like you got a good one! If the rollers are good don't change them. The way you tested the breaker is probably fine. Normally you'd have an amp meter on the jumper wire to make sure it's close to spec. I've tested dozens & they usally are ok.
Removing the old handle is quite simple. Take a 4-40 machine screw where the treads are about an inch or more long. Screw the screw into the hole in the center of the handle. The screw will bottom on the steel throttle shaft. Keep screwing & the screw will act as an extractor pulling the handle off without danger of damage to anything. Don't pry the handle off, extract with a screw.
Very best, Don Johnosn



quote:
Tried a dead short with a clip cord - I can probably do some arc welding with it. A new ckt brkr is in order. Thanks for the heads up - I might have welded a train to the track.




 

Postwar Lionel circuit breaakers are thermal. Even with a dead short, the breakers take a while to open. According to the factory service manual section on using the 5F, a ZW transformer with a .1 (one tenth) ohm load should produce 30 (thirty) amps, with the breaker taking 11-40 seconds to trip.

 

This is the reason I always recommend external circuit breakers.

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