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Messages - TrainLarry

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Postwar Lionel Trains 1945-1969 / Re: KW not putting out voltage
« on: July 23, 2020, 06:30:50 pm »
Glad you found and fixed the problem.
Enjoy running your trains again.


Postwar Lionel Trains 1945-1969 / Re: KW not putting out voltage
« on: July 23, 2020, 03:59:02 pm »
If you look at the pictorial diagram of the mechanism, you will see both contact arms are insulated from each other by the outer and inner shaft assembly. Both contact arms are wired separately to their respective binding posts.

On the contact arm that is not working, double check the wiring from the arm to its respective binding post.
With an AC voltmeter, attach one lead to any 'U' post, and touch the other lead directly to the coil near the contact arm in question. You should get a reading. Move the voltmeter probe across the winding back and forth and you should see the voltage go up one way, and down the other way.
Now take the voltmeter probe and clip it to the problem contact arm near the roller and move the arm back and forth. The voltage should vary up and down like before. Next, move the voltmeter probe to where the wire gets soldered to the arm and check as before. Finally, move the voltmeter lead to the corresponding binding post and check back and forth once again. If you lose voltage anywhere, that is where your problem is.

Double check that all binding posts on the rear terminal plate are solid and not loose. The binding posts are riveted to the terminal plate, and after time and use, the rivets break, and the binding posts make intermittent contact.

Double check all wiring to the schematics. Rely on that only.

If everything checks out and you still have problems, post clear pictures of the mechanism here so we can see exactly what you have.


Postwar Lionel Trains 1945-1969 / Re: KW not putting out voltage
« on: July 23, 2020, 10:53:40 am »
Take both control arms and the case off.

Make sure the contact arm for the throttle in question is touching the coil assembly, and that the carbon roller is not broken.


 Legacy locomotives can be programmed and run on any 3 rail '0' gauge track.


Here is the owners' manual for the Legacy system,

and here is a video describing the setup of the system.

You need a power supply in addition to the legacy system.


Welcome to the forum!

It sounds like the transformer is bad. Try another transformer if you have one. If you have a Lionel dealer in your area, bring it to them and let them check it out.

The train slowing down on the far side of the layout is a classic example of dirty track and/or poor connections between track sections. Take the tracks apart and clean the rails with a ScotchBrite pad to get off any dirt, then wipe them down with a rag dipped in Naphtha until they are clean. Next, polish the pins in the end of the tracks with the ScotchBrite pad. Make sure the pins are a tight fit in the track; crimp the ends of the rails with a needle-nose pliers if necessary.

If you have a large layout, you may need to add extra power wires from the transformer to the far side of the layout to compensate for any voltage drop through the rails.


Beginners Q & A / Re: Technical Question re: SW1803000-Q04 18V
« on: June 24, 2020, 11:38:41 am »
Welcome to the forum!

With the power supply disconnected from the track, if the voltage reading on it is not steady, the power supply is bad.

I recommend replacing the power supply with a transformer such as the CW-80. It has more power available, and the ability to operate accessories should you add any in the future.


Layout Design Forum / Re: Newbie Layout Help?
« on: June 18, 2020, 04:14:38 pm »
Welcome to the forum!

The size of your table should easily handle three trains on separate loops. With your trestle set, one loop can be elevated.
There are no 'basic' layouts for three trains that I am aware of - every layout is custom designed to the room and requirements at hand.
I had two trains running on a 5'x8' layout with one loop elevated. A third train was parked on a passing siding that I could switch in.
The two loops were figure eights with the sides connected so that a train could run in a loop, or be reversed using the crossover.
The upper and lower levels were connected with a track on a graduated trestle set, so that a train can go from the top loop to the bottom loop, or the reverse.
Sketch out a plan, then lay out your tracks on the board without connecting them to see if you like it. Continue until you find something you like. That is what I did.


Make sure the whistle relays are clean and the bottom contacts are free to move. Clean both contacts on the relays with a fine emery board to remove any dirt or corrosion. Confirm the contacts are touching each other squarely and firmly when the relay pulls in.

If the problem persists after cleaning, swap out the relays and see if the problem follows the relay. If it does, the relay is faulty and needs replacing.


Lionel Maintenance & Repair / Re: Box car screws
« on: June 09, 2020, 07:27:07 pm »
Glad you identified the screw.

For the future, a set of Imperial and Metric screw pitch gauges will come in handy to help identify screws.


Welcome to the forum!

The Legacy Command set is what is needed to get started.

From there, you can purchase any Legacy locomotive or complete Legacy sets.


O Scale / Re: Lionchief smoke unit stopped working again
« on: June 08, 2020, 11:17:48 am »
The smoke unit is part #680-1295200

See here for the parts breakdown of your locomotive:

The smoke unit is sequence #39 on the list and available from Lionel.


Super Flex #22 gauge wire is available from the Train Tender, part SW-22.


You're welcome, and by the way,

Welcome to the forum!


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