Tagged With "wound"

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Lionel 8376 reverse board wiring diagram

JimmyT ·
Hi I have a Lionel 8376 with a double wound Pulmore motor. Does anyone have a wiring diagram to hook up the reverse unit. I think it is a older Lionel unit #640010500 . I have 3 units but when I hook them up I only get 1 direction. or if you think they are all defective. would you know the components I need to replace. Or can I make the motor single wound and use a Lionel electronic reverse unit ( number? ) Thanks for any input
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Re: Lionel 8376 reverse board wiring diagram

JimmyT ·
Thanks to Rob, Carl , Larry, Ted. The correct # for the electronic E-unit is 40-0105-001 The engine #8376 UP A double wound single motor SD-40 mfg. 1983. My manuals show show both a electronic or a mechanical E units The electronic one i would like to see a wiring diagram since I have 3 in my parts cabinet. And that is an original part. If I install a 100-004 E unit I would have to cut a hole in the frame. The wiring is not a problem.
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Re: Lionel 8376 reverse board wiring diagram

ADCX Rob ·
If this is a Union Pacific Diesel, it's not supposed to have a double wound motor. It should have a 3 position E-unit. Here are the basic diagrams for the two types of reverse units(F-N-R and F-R) used on AC motors for the time period you are talking about.
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Re: Lionel 8376 reverse board wiring diagram

Ted S ·
If the motor is double-wound, you can run it from a 3-position e-unit (electronic or mechanical) by using only ONE of the two field windings. Just tape off the un-insulated end of the other coil and leave it disconnected. If the motor is single-wound, you can’t make it reverse with a pendulum-style 2-position e-unit. You need a 3-position type to make it work.
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Re: Lionel 8376 reverse board wiring diagram

TrainLarry ·
The 8376 loco has the 40-0105-001 electronic reverse unit according to the service literature. Larry
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Re: Lionel 8376 reverse board wiring diagram

Moonman ·
Here are some service docs
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Re: Lionel 8376 reverse board wiring diagram

ADCX Rob ·
I have this diesel, still new in box. I had no idea it was electronic, thought it was just like the Santa Fe version with the original E-unit. The electronic units will eventually all fail, so it might be a good idea to replace it with the electro-mechanical 100-4 postwar type - just $32 at The Train Tender - and have a lifetime of reliability.
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