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Adjusting pantographs on locomotives
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Offline sjlauritsen  
#1 Posted : 22 June 2013 12:54:33(UTC)
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sjlauritsen

Denmark   
Joined: 18/08/2007(UTC)
Posts: 1,081
Location: Denmark
Hi guys

Do any of you have an idea on the workings of a Märklin pantograph (Einholm type). I have a BR 182 with its pantographs out of alignment. When they are pressed down by the catenary the pantograph head is not perfectly horizontal, which causes it to lock itself into every outrigger it tries to pass.

I wondered if I could somehow adjust the pantograph head myself? But I cannot guess how it works. What do you guys do when that happen?

Cheers!

Søren
Søren from Denmark
Blog: https://railway.zone/ | Danish Model Railway Forum: https://baneforum.dk/
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Offline Dreadnought  
#2 Posted : 22 June 2013 20:09:37(UTC)
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Dreadnought

Canada   
Joined: 24/12/2008(UTC)
Posts: 418
Location: Niagara, Ontario
My experience is that you should not try. Twice I have had single arm pantographs actually disintegrate in slow motion before my eyes. They seem to come apart readily.
You might try running them with the "elbow" leading the pantograph. The spring seems to react better. That way they seem to snag less.
I use the old catenary, with M track. The new may be more forgiving.
I hope this helps.
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Offline petestra  
#3 Posted : 22 June 2013 21:11:24(UTC)
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petestra

United States   
Joined: 27/07/2009(UTC)
Posts: 5,824
Location: Leesburg,VA.USA
Yes, and if you are using the old catanary like I do then you must make sure that where you have

used the bolts and hex nuts to hold the wires that a flat side of the hex is horizontal to the

catanary wire otherwise there will be snags and they are not pretty at times. PeterOhMyGod
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Offline kbvrod  
#4 Posted : 23 June 2013 00:24:10(UTC)
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kbvrod

United States   
Joined: 23/08/2006(UTC)
Posts: 2,597
Location: Beverly, MA
Hi Søren,all,

What catenary are you using? Do other E-loks 'snag'?
If other E-loks 'snag' then you will have to fine tune your catenary.
If it is just this model,then the wiper is out of alignment and /or not enough movement to compensate for the overhead irregularities.

> When they are pressed down by the catenary the pantograph head is not perfectly horizontal, which causes it to lock itself into every outrigger it tries to pass.<

Ok,that is part of your problem.Gently(very) adjust it so that it it flat from end to end.Now check that panto head moves freely and easily back and forth.Now test on the track,slowly and observe how it crosses those points of trouble.Readjust until it can pass the test.Then run it a wee bit faster and OBSERVE that!

>I wondered if I could somehow adjust the pantograph head myself? But I cannot guess how it works.<

Of course you can! We have faith in you.


>What do you guys do when that happen?<

A number of things,...put into the packing wrong,panto popped up during insert and got twisted."Elbow" to the rear,Mr Murphy BigGrin

Let us know how it works out.

Dr D
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Offline Dreadnought  
#5 Posted : 23 June 2013 00:24:18(UTC)
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Dreadnought

Canada   
Joined: 24/12/2008(UTC)
Posts: 418
Location: Niagara, Ontario
Yes, I learned that the hard way. It took two lessons!
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Offline sjlauritsen  
#6 Posted : 23 June 2013 10:06:47(UTC)
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sjlauritsen

Denmark   
Joined: 18/08/2007(UTC)
Posts: 1,081
Location: Denmark
Hi all!

Thanks for all the replies. It only happens to this particular loco and it is because the panto head is out of alignment. I have tried to adjust it and it has gotten a bit better, but it is still not entirely horizontal as the panto heads on my other locos are. Is there a particular tip for aligning the panto head that I can use? My approach has been to slightly adjust the different parts of the panto until I got nearer to my goal. But if one of you guys have a "one stop"-tip for aligning the panto head, then I'm all ears! :-)

It is a single arm panto btw., and the locomotive is the 182 004 ("Porsche" Taurus). I think the Märklin number is 39835, mine is Trix no. 22911, but the technology is the same. As far as I can tell the panto type is the Einholm type found on several of Märklin's hobby locomotives of the TRAXX type (BR 185 and so on).

I run the new catenary system - and I really like it - it is so beautiful.

I have attached a picture of the panto head as it looks now, it is still not good enough.
sjlauritsen attached the following image(s):
pantohead-trix-22911.jpg
Søren from Denmark
Blog: https://railway.zone/ | Danish Model Railway Forum: https://baneforum.dk/
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Offline RayF  
#7 Posted : 23 June 2013 12:38:16(UTC)
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RayF

Gibraltar   
Joined: 14/03/2005(UTC)
Posts: 15,840
Location: Gibraltar, Europe
Hi Søren,

These pantographs are not that expensive, maybe €20 or so. Why don't you just order a couple of spares and swap them?

I have a couple of locos which I've bought second hand and which have come with bent pantographs. After a lot of adjustments I've found that the best solution is to just replace them, as you can never get them back to exactly the right shape.
Ray
Mostly Marklin.Selection of different eras and European railways
Small C track layout, control by MS2, 100+ trains but run 4-5 at a time.
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Offline river6109  
#8 Posted : 23 June 2013 13:13:00(UTC)
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river6109

Australia   
Joined: 22/01/2009(UTC)
Posts: 14,728
Location: On 1965 Märklin Boulevard just around from Roco Square
Hi Soren, it would be better to show the pantograph without the overhead system being present, one can hopefully direct you what you can do or what's wrong with the panto.

regards.,

John
https://www.youtube.com/river6109
https://www.youtube.com/6109river
5 years in Destruction mode
50 years in Repairing mode
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Offline sjlauritsen  
#9 Posted : 23 June 2013 14:55:58(UTC)
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sjlauritsen

Denmark   
Joined: 18/08/2007(UTC)
Posts: 1,081
Location: Denmark
Hi Ray and John

@Ray - Yeah I thought about that too. It do take a lot of work to align them and it does not seem to be worth it if replacement pantographs are not that expensive.

@John - Without the overhead wire, the pantograph head is perfectly level. The problem shows when the catenary touches down on the one side of the pantograph head. Thats when it comes out of alignment. The funny thing is that the pantograph head, when pressed down on the other side, is perfectly level. So its only a problem on the one side of the pantograph head. Which I tried to illustrate with the picture. :)
Søren from Denmark
Blog: https://railway.zone/ | Danish Model Railway Forum: https://baneforum.dk/
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Offline petestra  
#10 Posted : 23 June 2013 15:36:48(UTC)
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petestra

United States   
Joined: 27/07/2009(UTC)
Posts: 5,824
Location: Leesburg,VA.USA
Hi, Since I operate analog with overhead power I have spare pantographs on hand, both single

and double. I have not replaced them that often but it's nice to know they're there to use. These

are the 7218 and 7219. I do not have spares for different, newer Loks which are all individual.

I keep my fingers crossed there. Peter Cool
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