 Joined: 19/10/2012(UTC) Posts: 16 Location: Copenhagen
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Hi All,
I finally bought a 3071 set with two 4071 - most like with the wrong coaches in, but never mind that.
The problem is that wiring to the direction-changer is all wrong.
It only runs from the locos pickup shoe and there are no lights working.
Does anyone have a wiring diagram for the 3071 and its quite elaborate direction changer,
or some nice pictures where you can deduct the wiring.
Note. I DO plan on making it digital, but I would just like to see it run analog once before the conversion.
/Kenneth
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 Joined: 28/11/2007(UTC) Posts: 8,226 Location: Montreal, QC
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You have to make sure that your set is a 3071 and not a 3070. The same with the 4071 and not a 4070.
The earlier model (3070) had wiring with 3 pins. The later version (3071) had only two pins.
In forward direction, the model picks up the traction power from the leading slider and the lights from the trailing one. When the reverse pulse is activated, a relay clicks and the power selection is inverted.
The best way to test this model is to initially connect the power unit and pilot coach. Once tested and confirmed that it works, you can add the middle coach (restaurant). You can then add the single extra coach (4071) between the power unit and the restaurant. If, at some point, the train stops working, it will have something to do with the most recent connection.
If the trainset will not operate with just the power unit and the pilot coach, then there is likely a problem with the power unit.
Regards
Mike C
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 2 users liked this useful post by mike c
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Joined: 28/11/2007(UTC) Posts: 8,226 Location: Montreal, QC
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Joined: 28/11/2007(UTC) Posts: 8,226 Location: Montreal, QC
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Joined: 19/10/2012(UTC) Posts: 16 Location: Copenhagen
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It seems to be a 3071 - according to kolls.
It has no interior lights and no silver around the windows.
And only 2 pins connector.
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Joined: 19/10/2012(UTC) Posts: 16 Location: Copenhagen
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1 user liked this useful post by kpallund
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 Joined: 30/08/2002(UTC) Posts: 1,288
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I have a 3071 set extended with two additional coaches, i.e. 5 units in total. I installed an ESU Loksound decoder in it. My layout is ”completely” digital, i.e. there are no stopping areas where power is controlled by on/off. Therefore, I removed the relay and only use one pickup shoe on the train. Instead, the two wires running through the train, I use for powering LED strips in all units. (Actually, I tested the light by using one of the decoder’s AUX outputs, and left it like that even if this probably is at the capacity limit)  |
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 Joined: 15/12/2005(UTC) Posts: 3,594 Location: Spain
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Even though we always say that there exist exceptions for everything in real life, I´m pretty sure I´ve never seen the RAm running with more than 4 units (including the engine).
For prototypical running, the train should never be longer than the 4 initial units...
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1 user liked this useful post by hxmiesa
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Joined: 28/11/2007(UTC) Posts: 8,226 Location: Montreal, QC
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There were only 5 such trainsets, 2 Swiss and 3 Dutch and each one was composed of four units, motor unit, open seating coach, restaurant and pilot coach. There were no additional coaches to lengthen any of the trainsets. Even in use in Canada, they remained as the relatively short trainsets.
Regards
Mike C
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Joined: 19/10/2012(UTC) Posts: 16 Location: Copenhagen
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I think I got the wiring right now, from looking at the video on one of the referenced pages.
But can it be right that the red light always lights up - no matter the direction ??
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 Joined: 23/10/2010(UTC) Posts: 2,061 Location: FRANCE
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Originally Posted by: kpallund  I think I got the wiring right now, from looking at the video on one of the referenced pages.
But can it be right that the red light always lights up - no matter the direction ?? That's right ! The red light always lights up ! You can see it a the beginning of my video : Best Regards Joël Edited by user 07 September 2023 11:58:53(UTC)
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1 user liked this useful post by TrainIride
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Joined: 17/04/2004(UTC)
Posts: 127
Location: Netherlands
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Maybe a bit late but here are cut-outs of the original exploded view:  3071 schema.pdf (61kb) downloaded 71 time(s). 3071 detail.pdf (148kb) downloaded 58 time(s).Are you sure the red light is always on? According to the description in the catalogue of 1985 the lights should change with the direction. Maybe the shield pos. 31 is missing? Succes, Tony.
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3 users liked this useful post by tonyfh
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Joined: 23/10/2010(UTC) Posts: 2,061 Location: FRANCE
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Originally Posted by: tonyfh Maybe a bit late but here are cut-outs of the original exploded view: 3071 schema.pdf (61kb) downloaded 71 time(s). 3071 detail.pdf (148kb) downloaded 58 time(s).Are you sure the red light is always on? According to the description in the catalogue of 1985 the lights should change with the direction. Maybe the shield pos. 31 is missing? Succes, Tony. Hi Tony, Thank you for the schematics ! For the 3071, the lights change with the direction, but only the white lights. As white bulb face the plastic that conducts the light, and the red bulb is placed under the white one, it's the white light that wins when lit. Best Regards Joël |
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Joined: 19/10/2012(UTC) Posts: 16 Location: Copenhagen
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Originally Posted by: tonyfh Maybe a bit late but here are cut-outs of the original exploded view: 3071 schema.pdf (61kb) downloaded 71 time(s). 3071 detail.pdf (148kb) downloaded 58 time(s).Are you sure the red light is always on? According to the description in the catalogue of 1985 the lights should change with the direction. Maybe the shield pos. 31 is missing? Succes, Tony. That was exactly was I was looking for the other day, but luckily I wired it the same way  And from looking at the schematic its clear that the red light is permanently connected to the back slider, but when the wight light is on it overpowers the red. /Kenneth
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1 user liked this useful post by kpallund
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Joined: 17/04/2004(UTC)
Posts: 127
Location: Netherlands
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You are welcome.
And about the red lamps always on, I studied the schematics and you are right, they are always on, thanks for sending me in the right direction.
Tony.
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Joined: 30/08/2002(UTC) Posts: 1,288
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Originally Posted by: hxmiesa Even though we always say that there exist exceptions for everything in real life, I´m pretty sure I´ve never seen the RAm running with more than 4 units (including the engine).
For prototypical running, the train should never be longer than the 4 initial units...
I noticed now, I actually have a 6 units train. Realistic or not, IMHO it looks great  |
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4 users liked this useful post by PeFu
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 Joined: 04/02/2021(UTC) Posts: 480 Location: USA
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I just converted a 3071 with 4 wagons. Removed all insides and the second slider. Two existing wires power red and white light separately. Installed lokpilot5 and kept original lights that switch with direction. Flickering is minor, but may eventually replace with leds. Still need to think about best way for interior led lights wiring, using existing 2 wires. Thoughts?
Ben |
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 Joined: 04/12/2013(UTC) Posts: 2,261 Location: Hobart, Australia
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Originally Posted by: BenP I just converted a 3071 with 4 wagons. Removed all insides and the second slider. Two existing wires power red and white light separately. Installed lokpilot5 and kept original lights that switch with direction. Flickering is minor, but may eventually replace with leds. Still need to think about best way for interior led lights wiring, using existing 2 wires. Thoughts?
Ben Hi Ben, After a lot of thought I could not see a way to do the extent of 3071 conversion I wanted with only 2 wires between coaches. Details of my conversion are here : https://www.marklin-user...-my-3071-4071#post629652Have fun PJ
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2 users liked this useful post by PJMärklin
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Joined: 30/08/2002(UTC) Posts: 1,288
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Originally Posted by: PJMärklin Haha, I was considering adding a post of ”how I did” the conversion of my 3071, but after reviewing the link to PJ:s fantastic project I just thought, naeh…  |
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1 user liked this useful post by PeFu
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Joined: 28/11/2007(UTC) Posts: 8,226 Location: Montreal, QC
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My conversion of a 3071 was as follows. For many years, I was looking after my brother's 3071. It did not get much use, although I occasionally ran it for a few loops and oiled it. I also glued some of the windows back in place.
I then decided that I wanted my own, so I got a 3471, which was an upgrade. I since ordered the 39706 and am very happy with the metal insider model.
I still have the 3471. I am not sure what I will do with it in the long term.
Regards
Mike C
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Joined: 08/12/2021(UTC) Posts: 141 Location: California, Sonoma County
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Mike: Many years ago, I bought on Ebay at a very decent price, the Marklin 26511 push/pull train-for-commuter service, and used its decoder with the capability to switch over power pick-up to the rear shoe, when running in the reverse direction. I am not an electronics guy and didn't know how to set CVs to a reversing shoe unit offered by ESU or wiring it, so this 26511 worked out well in my 3471. I then put in a regular decoder without a pickup-switch-over-power-front-back-shoe into the lok in the 26511. The 3471 is a delight to run. Of course I put in LED lights, that I can manage to do without much electronics CV knowledge. Any push-pull set will work if the decoder has this capability.
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1 user liked this useful post by Bill L
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Joined: 04/02/2021(UTC) Posts: 480 Location: USA
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Completed my 3071 conversion. See: 3071 |
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3 users liked this useful post by BenP
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