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ok heres whats happening i all of a sudden have an electrical issue with these two switches on my layout. first im using O tubular and 022 switches. the red dots represent where the insulated pins are. also i use a ZW transformer. what happened is it was together and i was running trains no big deal, i could go from the outside loop to the inside loop no big deal. i started permanently wiring my layout so i decided to clean the switches and bench test them, they work fine. i reassemble this area and all of a sudden switch A when the engine goes across has sparks from the wheel and it ****es off the E unit on the engine stopping the train. 

 

whats going on? nothing is different.

 

ScreenHunter_302 Jun. 07 10

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  • ScreenHunter_302 Jun. 07 10
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Originally Posted by Penn-Pacific:

Could be a number of things, first off, I would check to make sure that maybe the hot/ common wires are in sync. on the inner and outer loops. I had that problem on a small layout once and found I accidently wired the hot wire to the outside rails instead of the middle rail, causing a short when the train crossed over.

 

the problem is happening on switch A. the engine doesnt even cross over to the other switch. also the hots and commons are in the correct places

Originally Posted by ekaz:

Is the single fiber pin on switch B in the right place?  I thought it was supposed to go on the short rail. Are the inner and outer loops connected to the same handle of the ZW? Any problems going from the inner loop to the outer loop?

Ed

From the diagram in the first post, looks like the pins are where they're supposed to be.

 

Badhorse, does this happen with other loco's too, or just one?

Last edited by Penn-Pacific
Originally Posted by Penn-Pacific:
Originally Posted by ekaz:

Is the single fiber pin on switch B in the right place?  I thought it was supposed to go on the short rail. Are the inner and outer loops connected to the same handle of the ZW? Any problems going from the inner loop to the outer loop?

Ed

From the diagram in the first post, looks like the pins are where they're supposed to be.

 

Badhorse, does this happen with other loco's too, or just one?

yes the pins are in the right place, and i have switched out the switches and it still stalls out on the transition,,,,,,,,phasing should be a none issue with my ZW, and the only difference was i cleaned the switches. also it doesnt matter what locomo0tive

Last edited by BadHorse
Originally Posted by BadHorse:

yes the pins are in the right place, and i have switched out the switches and it still stalls out on the transition,,,,,,,,phasing should be a none issue with my ZW, and the only difference was i cleaned the switches. also it doesnt matter what locomo0tive

 

 

The only thing that I can think of where cleaning the switches might be an issue is if you used steel wool on the rails, sometimes that can leave little steel fibers that can short out the hot rail with the common rails. Other than that, I would recommend rechecking the wiring again and make sure the curved or transition rails aren't somehow touching the transition rails on the other switch.

I'm assuming that there is no issue with the trains running on the "thru" tracks?

 

"...switch A when the engine goes across has sparks from the wheel and it ****es off the E unit on the engine stopping the train. "

 

Since you removed then re-installed the switches, could the weight of the engine be pressing a rail down, making contact where it was insulated before, and causing the short circuit you describe? It may not be in the switches themselves, but in an adjacent piece of track.

 

Originally Posted by BadHorse:
Originally Posted by trainman129:

If nothing else is wrong, at least change the insulating pin in the curved leg of switch "b". It's in the wrong leg.

according to this i have the pins in the right places, you are thinking O27

 

scan0001

If I'm not mistaken, there are two versions of 022 switches, early and late. One uses a segment in the stock rail, the other uses the rail connected to the frog. You should verify which ones you have, and they could be different.

Last edited by Big_Boy_4005
Originally Posted by Big_Boy_4005:
 
 

If I'm not mistaken, there are two versions of 022 switches, early and late. One uses a segment in the stock rail, the other uses the rail connected to the frog. You should verify which ones you have, and they could be different.

you would be wrong, i have 022's that were made over decades and they are the same

One more thought here, maybe you could try pushing a piece of rolling stock through the transition slowly by hand, with full power on the tracks. See if and exactly where it still sparks. If it only happens with the locomotive, then it probably has something to do with the pick-up rollers as Hokie71 mentioned.

 

  Also check to make sure the weight of the locomotive isn't causing the center rail to touch the swivel rail when it passes through the transition, That does happen occasionally.

Last edited by Penn-Pacific

Hmmmm... interesting puzzle... I looked at the control rail fiber pins this way, inside of divergence and inside of thru 

 

when looking at it that way, excluding the center rail power division pin, the pin indicated is should be removed.

 

Inside, inside

 

022 X over on curve

 

Remove pin to correct

 

ScreenHunter_302 Jun 07 10 FIX CONNECTION

 

Try that.  Hopefully, you have only one common for all power supplies and they are phased properly.

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  • 022 X over on curve
  • ScreenHunter_302 Jun 07 10 FIX CONNECTION
Originally Posted by Moonman:

Hmmmm... interesting puzzle... I looked at the control rail fiber pins this way, inside of divergence and inside of thru 

 

when looking at it that way, excluding the center rail power division pin, the pin indicated is should be removed.

 

Inside, inside

 

022 X over on curve

 

Remove pin to correct

 

ScreenHunter_302 Jun 07 10 FIX CONNECTION

 

Try that.  Hopefully, you have only one common for all power supplies and they are phased properly.

phasing is a none issue, im using a single ZW transformer. but i will try removing the one pin, and double check my neutrals.

Originally Posted by c. lee colbert:

I just installed a post war manual switch on my small oval test track. When a train runs over the frog, it stops and reverses (E unit being cycled) so I know there should be a fiber pin somewhere but don't remember where it should go!

You should start a new post on your particular issue to get the best solution for your configuration. This post is about powered remote switches.

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