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stuttering and slowing down - analog, c track
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Offline iamdutch  
#1 Posted : 29 January 2025 15:56:51(UTC)
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iamdutch

Netherlands   
Joined: 29/01/2025(UTC)
Posts: 5
Location: Noord-Holland, Amsterdam
Hi!

My analog loco (br216) is pretty much stuttering when under "100"(idk how you can call it)
It stops on some places on the rail, I need to push it. any suggestions?
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Offline marklinist5999  
#2 Posted : 29 January 2025 15:58:47(UTC)
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marklinist5999

United States   
Joined: 10/02/2021(UTC)
Posts: 3,865
Location: Michigan, Troy
Either it needs cleaning and orlubrication, or is just cold.
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Offline Martti Mäntylä  
#3 Posted : 29 January 2025 17:11:19(UTC)
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Martti Mäntylä

Finland   
Joined: 15/11/2018(UTC)
Posts: 429
Location: Uusimaa, Helsinki
As marklinist5999 said, plus that the brushes may need replacement.
- Martti M.
Era III analog & digital (Rocrail, CAN Digital Bahn, Gleisbox/MS2, K83/K84), C & M tracks, some Spur 1
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Offline iamdutch  
#4 Posted : 29 January 2025 17:15:22(UTC)
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iamdutch

Netherlands   
Joined: 29/01/2025(UTC)
Posts: 5
Location: Noord-Holland, Amsterdam
I cleaned it already whit everything I have, but maybe the contactor is dirty or something, I should look
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Offline marklinist5999  
#5 Posted : 29 January 2025 18:42:16(UTC)
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marklinist5999

United States   
Joined: 10/02/2021(UTC)
Posts: 3,865
Location: Michigan, Troy
If the brushes are in good shape clean the armature commutator with a cotton swab until the carbon is gone and you see clean copper.
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Offline iamdutch  
#6 Posted : 29 January 2025 19:32:21(UTC)
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iamdutch

Netherlands   
Joined: 29/01/2025(UTC)
Posts: 5
Location: Noord-Holland, Amsterdam
thanks for the advice, but I am newbie so what and where is the brush? however I know how it looks.
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Offline Martti Mäntylä  
#7 Posted : 29 January 2025 21:39:12(UTC)
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Martti Mäntylä

Finland   
Joined: 15/11/2018(UTC)
Posts: 429
Location: Uusimaa, Helsinki
Look at the explosion diagrams at 3074 and 3075. Brushes are the parts number 12 (3074) and 18 (3075). Your locomotive should match one or the other.
- Martti M.
Era III analog & digital (Rocrail, CAN Digital Bahn, Gleisbox/MS2, K83/K84), C & M tracks, some Spur 1
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Offline mvd71  
#8 Posted : 29 January 2025 22:28:48(UTC)
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mvd71

New Zealand   
Joined: 09/08/2008(UTC)
Posts: 1,916
Location: Auckland,
Try Märklin of Sweden for learning how
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Offline RudiC  
#9 Posted : 29 January 2025 23:30:53(UTC)
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RudiC

Germany   
Joined: 28/01/2024(UTC)
Posts: 59
Location: Nordrhein-Westfalen, Aachen
Originally Posted by: iamdutch Go to Quoted Post
. . . It stops on some places on the rail, I need to push it . . .

Are you sure it's not the tracks? Are the "some places" always the "same places"?
Regards,
Rüdiger (Rudi)
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Offline Paul59  
#10 Posted : 30 January 2025 10:00:23(UTC)
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Paul59

United Kingdom   
Joined: 25/08/2012(UTC)
Posts: 250
Location: South East
Also check the slider...
Make sure that it is clean and also straight and in line with the bogie not offset to one side or twisted.
Put a straight edge along the slider and make sure it is dead flat.
With the loco on it's back make sure the slider is about 2mm or a bit more above the wheel treads and that it is not higher at one end. If it needs adjustment tweak the spring strips that support it with a pair of fine nose pliers (carefully).

It could just be that the loco needs a good service. This is an easy one to work on so it's a good opportunity to learn about all the parts. It will stand you in good stead for the future.

Good luck, you'll get there.
Marklin HO using M track. Now reverted to analogue as I find it has more character and is more fun...... and I understand it!
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Offline BenP  
#11 Posted : 30 January 2025 13:04:09(UTC)
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BenP

United States   
Joined: 04/02/2021(UTC)
Posts: 477
Location: USA
Originally Posted by: iamdutch Go to Quoted Post
Hi!

My analog loco (br216) is pretty much stuttering when under "100"(idk how you can call it)
It stops on some places on the rail, I need to push it. any suggestions?


Start with cleaning rail pukos with alcohol or gently brush very fine sandpaper over them ( don't push hard). M track?
Ben
Digital M track layout with vintage rolling stock and accessories controlled by CS3+Rocrail; small Z scale layout.
https://youtube.com/play...0kgVYbh0CeDTF-bYXoD_2-V9
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