Märklin 4200 series center axle spring spare part

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Märklin 4200 series center axle spring spare part - Help needed to find a spare part to replace this spring

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TrainIride		#1 Posted : 31 October 2017 10:11:05(UTC) Retweet
Joined: 23/10/2010(UTC) Posts: 1,913 Location: FRANCE		Yesterday I saw something burning and melting upon one of my layout crossing. It was a spring from a 4200-series 3 axles coaches, used to press against the center axle to maintain the wheels on the tracks, that had just fallen from the consist . In did not find any spare part number for this Does someone here know one ? The axles are high enough for the spring not to be caught by something on the layout. Only one possibility, the spring is falling by itself, maybe when getting old and losing its flexibility. Best Regards Joël
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RayF		#2 Posted : 31 October 2017 15:30:20(UTC) Retweet
Joined: 14/03/2005(UTC) Posts: 15,839 Location: Gibraltar, Europe		Hi Joel, I have lost the springs on about half of my similar coaches. I find the coaches run just as well without them.
		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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Markus Schild		#3 Posted : 31 October 2017 16:09:44(UTC) Retweet
Joined: 14/01/2006(UTC) Posts: 1,802 Location: Wurttemberg		Hi Joël, You are looking for E765820. They are available: https://www.maerklinshop...402/druckfeder-10-stueck ( "Druckfeder" = pressure spring ) Regards Markus
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TrainIride		#4 Posted : 31 October 2017 16:53:13(UTC) Retweet
Joined: 23/10/2010(UTC) Posts: 1,913 Location: FRANCE		Originally Posted by: RayF Hi Joel, I have lost the springs on about half of my similar coaches. I find the coaches run just as well without them. ...So I'm not the only one with this trouble, I'm going to end up putting a glue drop on those who are still there. I must admit, I have just done the test, that the coaches without springs are running just as well also for me... ..But not better . I was very surprised because two springs felt yesterday, and this never happened before... Maybe with my new layout, I am running the consists for much time ... Thank you Ray ! Best Regards Joël
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TrainIride		#5 Posted : 31 October 2017 16:59:50(UTC) Retweet
Joined: 23/10/2010(UTC) Posts: 1,913 Location: FRANCE		Originally Posted by: Markus Schild Hi Joël, You are looking for E765820. They are available: https://www.maerklinshop...402/druckfeder-10-stueck ( "Druckfeder" = pressure spring ) Regards Markus Thank you so much Markus ! I have to trust you because there is no picture of this product, neither in Google, nor in Ebay, nowhere !!! That explains I did not found this. Thank you again. Best Regards Joël
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Markus Schild		#6 Posted : 31 October 2017 17:14:42(UTC) Retweet
Joined: 14/01/2006(UTC) Posts: 1,802 Location: Wurttemberg		Hi Joël, It must be searchable by Google. I collected the number from one of the various datasets which are around in the net in my personal database. My recording says: Code: `76582 AXLE SPRING F4207-8-9 10/PK` If you try googling that you will find http://www.pallund.dk/spareparts/marklinparts.doc. Maybe I got the number from that document. Regards Markus
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TrainIride		#7 Posted : 31 October 2017 17:42:21(UTC) Retweet
Joined: 23/10/2010(UTC) Posts: 1,913 Location: FRANCE		Hi Markus, marklin 765820 gives some results in Google, as "Marklin 765820 Axle Spring F4207-8-9" but still no picture to show the shape or the size of this mysterious spring. Thank you again for this useful information ! I will order it soon. Best Regards Joël
		Marklin HO - M track & C track - Analog mode - https://www.marklin-users.net/TrainIride - my channel : https://www.youtube.com/user/2mes2mains
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kiwiAlan		#8 Posted : 31 October 2017 19:10:30(UTC) Retweet
Joined: 23/07/2014(UTC) Posts: 8,107 Location: ENGLAND, Didcot		Originally Posted by: TrainIride Originally Posted by: RayF Hi Joel, I have lost the springs on about half of my similar coaches. I find the coaches run just as well without them. ...So I'm not the only one with this trouble, I'm going to end up putting a glue drop on those who are still there. I would suggest just the tiniest drop of oil on the axle to lubricate where the spring rubs. I suspect what has happened is the friction between the axle and spring due to running dry has finally worn through the spring where it rubs on the axle, causing the spring to loose a turn which makes it loose enough to drop out (the spring in your picture looks like it is more than one piece). As for the amount of oil required it is so tiny that a drop on a piece of rag or cotton bud that you then use to wipe the axle will be plenty - what we used to call 'wipe on wipe off' when we needed such a small amount you couldn't see it.

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TrainIride		#9 Posted : 31 October 2017 19:49:05(UTC) Retweet
Joined: 23/10/2010(UTC) Posts: 1,913 Location: FRANCE		Originally Posted by: kiwiAlan I would suggest just the tiniest drop of oil on the axle to lubricate where the spring rubs. I suspect what has happened is the friction between the axle and spring due to running dry has finally worn through the spring where it rubs on the axle, causing the spring to loose a turn which makes it loose enough to drop out (the spring in your picture looks like it is more than one piece). As for the amount of oil required it is so tiny that a drop on a piece of rag or cotton bud that you then use to wipe the axle will be plenty - what we used to call 'wipe on wipe off' when we needed such a small amount you couldn't see it. Thank you for this idea ! I will try the oil drop... Theses coaches were bought second hand, so may be the springs were already a bit damaged. As you can see the corresponding parallel lines on the axles. For the spring in three parts on the tracks, it burns in flames when touching the power line and the tracks, this doing that... Best Regards Joël
		Marklin HO - M track & C track - Analog mode - https://www.marklin-users.net/TrainIride - my channel : https://www.youtube.com/user/2mes2mains
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TrainIride		#10 Posted : 08 November 2017 13:51:04(UTC) Retweet
Joined: 23/10/2010(UTC) Posts: 1,913 Location: FRANCE		Just received today from Märklin Online-Shop: Thank you all for your tips, and thank you Markus for the part number Best Regards Joël
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