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What is the "button" under HAMO lok's chassis for?
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Offline Brakepad  
#1 Posted : 13 November 2008 10:08:44(UTC)
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Brakepad

France, Metropolitan   
Joined: 25/08/2008(UTC)
Posts: 633
Location: Montlouis sur Loire, France
Hi,

I have a couple of HAMO loks. Both have some kind of "metal button" under the chassis, and I'd like to know what is it for.

Any ideas?

Thanks!



check out http://maerklin-back-on-track.blogspot.com if you like to see how old Märklin locos are brought back into life! (in spanish by the moment)
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Offline Sander van Wijk  
#2 Posted : 13 November 2008 10:17:00(UTC)
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Sander van Wijk

Netherlands   
Joined: 20/04/2003(UTC)
Posts: 2,248
Location: Amsterdam, Netherlands; Göteborg, Sverige,
Hi Brakepad,

What you're refering to is probably what one could call a contact stud, it's a part of a system to trigger signals and turnouts by running over a contact track. This type of contact tracks is mainly used by Fleischmann, when the loco drives over the contact track, this stud connects to contacts.
Sander
---
Era I(b): K.Bay.Sts.B. and K.W.St.E.
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Offline Brakepad  
#3 Posted : 13 November 2008 11:28:35(UTC)
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Brakepad

France, Metropolitan   
Joined: 25/08/2008(UTC)
Posts: 633
Location: Montlouis sur Loire, France
Many thanks Sander. I'd like to convert both to 3-rail and I wonder if it should be removed or not (or if keeping it will be OK for running on 3-rail tracks).

Best regards.

Xavi
check out http://maerklin-back-on-track.blogspot.com if you like to see how old Märklin locos are brought back into life! (in spanish by the moment)
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Offline Sander van Wijk  
#4 Posted : 13 November 2008 11:58:24(UTC)
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Sander van Wijk

Netherlands   
Joined: 20/04/2003(UTC)
Posts: 2,248
Location: Amsterdam, Netherlands; Göteborg, Sverige,
Hi Xavi,

You're welcome! Please remove it as it might cause shorts on turnouts.
Sander
---
Era I(b): K.Bay.Sts.B. and K.W.St.E.
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Offline Brakepad  
#5 Posted : 13 November 2008 12:23:57(UTC)
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Brakepad

France, Metropolitan   
Joined: 25/08/2008(UTC)
Posts: 633
Location: Montlouis sur Loire, France
How to remove it? Is it enough to "pull"? I would not like to break something, but I can't see any other way, it seems to have been inserted by pressing it.
check out http://maerklin-back-on-track.blogspot.com if you like to see how old Märklin locos are brought back into life! (in spanish by the moment)
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Offline Sander van Wijk  
#6 Posted : 13 November 2008 12:42:56(UTC)
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Sander van Wijk

Netherlands   
Joined: 20/04/2003(UTC)
Posts: 2,248
Location: Amsterdam, Netherlands; Göteborg, Sverige,
Good question... In Fleischmann models, the contact stud is secured with a circlip inside the model. So, instead of pulling I would recommend opening the model and examining the inside.
Sander
---
Era I(b): K.Bay.Sts.B. and K.W.St.E.
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Offline Caplin  
#7 Posted : 13 November 2008 16:15:47(UTC)
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Caplin


Joined: 23/03/2005(UTC)
Posts: 2,497
Location: Denmark
Again on Fleischmann locos: there is a third part - a spring that pushes the contact stud downwards towards the track, this movement is limited by the clip mentioned by Sander. You need to remove the clip from the inside and hold on to the stud. Otherwise both parts might just "fly" away. [:0]
Regards,
Benny - Outsider and MFDWPL
UserPostedImage
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Offline Brakepad  
#8 Posted : 21 November 2008 14:27:31(UTC)
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Brakepad

France, Metropolitan   
Joined: 25/08/2008(UTC)
Posts: 633
Location: Montlouis sur Loire, France
Hi all!

I managed to remove the "button", It has an C-clip which holds it in place, it's necessary to remove the axle which "hides" the C-clip in order to be able to remove it.

The model is a Hamo E52 lok, like this:

UserPostedImage
(image from Mr.Kern page)

Actually it's ready to fit a UHL 76320 in, what makes me think that this will be the universal locomotive. With slider it can run on 3-rail layouts, analog or digital. Replace the slider with the 2-rail contact part and it will run on any 2-rail layout, analog or digital.

The Wonderlocomotive, at the end!

Best regards.

Xavi.
check out http://maerklin-back-on-track.blogspot.com if you like to see how old Märklin locos are brought back into life! (in spanish by the moment)
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