Joined: 09/03/2024(UTC) Posts: 2 Location: Rhode Island, Providence
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 1 user liked this useful post by g.berish@verizon.net
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Joined: 01/05/2016(UTC) Posts: 623 Location: Athens
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Looks that is a motor problem Disassemble and clean the motor Oil on the gears New brushes
This may solve the problem
Costas
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 1 user liked this useful post by ktsolias
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Joined: 28/09/2019(UTC) Posts: 119 Location: Rogaland, Haugesund
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I probably should keep my mouth shut… because I do not have an answer:but I assume the decoder provide some kind of DC current to the motor… and then: does the old motor require AC current?
Regards Thor
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Joined: 11/06/2007(UTC) Posts: 209 Location: Eslöv, Sweden
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Hi, It seems to have a stator with fixed magnet (needed for dc). But take a close look at the plastic motor side. It seems to be misaligned, at least according to the picture.
Peder
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 1 user liked this useful post by pederbc
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Joined: 18/02/2008(UTC) Posts: 1,334
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Maybe I am seeing wrong, but it seems that in place of the coils, there are resistors...
Miguel
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Best regards, Miguel
Mostly Märklin H0.
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Joined: 30/08/2002(UTC) Posts: 1,288
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Originally Posted by: pederbc  Hi, It seems to have a stator with fixed magnet (needed for dc). But take a close look at the plastic motor side. It seems to be misaligned, at least according to the picture. I agree, this doesn’t look OK.  |
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 3 users liked this useful post by PeFu
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Joined: 09/03/2024(UTC) Posts: 2 Location: Rhode Island, Providence
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I replaced the brushes and after some adjustments, it works well. As for the DC motor, I wondered about what type of motor it has because it doesn't look like other motors from Marklin. It was probably something someone home-built.
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Joined: 04/02/2011(UTC) Posts: 3,563 Location: Paris, France
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Originally Posted by: g.berish@verizon.net  I replaced the brushes and after some adjustments, it works well. As for the DC motor, I wondered about what type of motor it has because it doesn't look like other motors from Marklin. It was probably something someone home-built.
Hi Difficult to be 100% sure but in HIGH probability, the original motor (SFCM) is still in place but its coiled inductor has been replaced by an ESU magnet for this motor type. Installation has been made by "a bricoleur du Dimanche" (A Sunday home worker) with improper assembly of the motor (the brushholder is screwed obliquely and the inductances not properly insulated. It is almost a miracle that the rotor did not burnt (they usually do if you apply power while they are blocked) or the decoder did not burnt with nothing to insulate the motor output from the metal casing. A very nice loco alltogether. Cheers Jean |
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 1 user liked this useful post by JohnjeanB
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Joined: 27/11/2007(UTC) Posts: 327
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The motor has an HAMO Magnet and I wonder if you can get this running well with a C90 Decoder. Change to 60903 and mlD. Make sure that the gears are not stiffed by old oil. |
Best regards Martin |
 1 user liked this useful post by 60904
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