Marklin TWE 12930 AC / DC operation?

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Marklin TWE 12930 AC / DC operation?

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jsmatlak		#1 Posted : 20 March 2017 07:12:14(UTC) Retweet
Joined: 20/03/2017(UTC) Posts: 6 Location: California, Los Angeles		Hello- I recently purchased a very beautiful O gauge TWE 12930 20V from Germany. When I place it on the tracks on my 3-rail Lionel layout, the lights come on and it will only make a buzzing sound when the reverser switch is put in forward or reverse (it won't move). The seller described the unit as running. I read on another post on this forum that these units were designed to run on either DC or AC. Is there something that needs to be done to switch between AC and DC operation? The buzzing sound from the motor sounds like it is expecting to receive DC but is of course receiving AC on my layout. Also, how do you remove the motor from the chassis? Can this be done without removing the roof? Thank you for any advice.

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Markus Schild		#2 Posted : 20 March 2017 11:52:19(UTC) Retweet
Joined: 14/01/2006(UTC) Posts: 1,802 Location: Wurttemberg		Hi, Welcome to the forum. Usually you can turn the part which looks like a whistle or an antenna on the roof. That's a hidden nut which holds a thread on the upper part of the boogie. Here are some pictures of the boogie: http://alte-modellbahnen...-eines-TWE-zerlegen.html Often such models have been converted to DC to remote control the direction. A picture of the boogie outside the car would help. Regards Markus
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kiwiAlan		#3 Posted : 20 March 2017 17:27:48(UTC) Retweet
Joined: 23/07/2014(UTC) Posts: 8,102 Location: ENGLAND, Didcot		Originally Posted by: jsmatlak Hello- I recently purchased a very beautiful O gauge TWE 12930 20V from Germany. When I place it on the tracks on my 3-rail Lionel layout, the lights come on and it will only make a buzzing sound when the reverser switch is put in forward or reverse (it won't move). The seller described the unit as running. I read on another post on this forum that these units were designed to run on either DC or AC. Is there something that needs to be done to switch between AC and DC operation? The buzzing sound from the motor sounds like it is expecting to receive DC but is of course receiving AC on my layout. Also, how do you remove the motor from the chassis? Can this be done without removing the roof? Thank you for any advice. What sort of track are you trying to run it on? With that pickup show it needs solid centre rail rail, not centre studs. To run it on modern track you will need to change to a modern pick up shoe. If you are trying to run on centre studs i suspect the pickup shoe is catching on the studs.

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jvuye		#4 Posted : 20 March 2017 18:28:30(UTC) Retweet
Joined: 01/03/2008(UTC) Posts: 2,881 Location: South Western France		Originally Posted by: kiwiAlan Originally Posted by: jsmatlak Hello- I recently purchased a very beautiful O gauge TWE 12930 20V from Germany. When I place it on the tracks on my 3-rail Lionel layout, the lights come on and it will only make a buzzing sound when the reverser switch is put in forward or reverse (it won't move). The seller described the unit as running. I read on another post on this forum that these units were designed to run on either DC or AC. Is there something that needs to be done to switch between AC and DC operation? The buzzing sound from the motor sounds like it is expecting to receive DC but is of course receiving AC on my layout. Also, how do you remove the motor from the chassis? Can this be done without removing the roof? Thank you for any advice. ... What sort of track are you trying to run it on? With that pickup show it needs solid centre rail rail, not centre studs. To run it on modern track you will need to change to a modern pick up shoe. If you are trying to run on centre studs i suspect the pickup shoe is catching on the studs. This is O gauge , Alan!
		Jacques Vuye aka Dr.Eisenbahn Once a vandal, learned to be better and had great success!


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kiwiAlan		#5 Posted : 20 March 2017 19:10:05(UTC) Retweet
Joined: 23/07/2014(UTC) Posts: 8,102 Location: ENGLAND, Didcot		Originally Posted by: jvuye Originally Posted by: kiwiAlan Originally Posted by: jsmatlak Hello- I recently purchased a very beautiful O gauge TWE 12930 20V from Germany. When I place it on the tracks on my 3-rail Lionel layout, the lights come on and it will only make a buzzing sound when the reverser switch is put in forward or reverse (it won't move). The seller described the unit as running. I read on another post on this forum that these units were designed to run on either DC or AC. Is there something that needs to be done to switch between AC and DC operation? The buzzing sound from the motor sounds like it is expecting to receive DC but is of course receiving AC on my layout. Also, how do you remove the motor from the chassis? Can this be done without removing the roof? Thank you for any advice. ... What sort of track are you trying to run it on? With that pickup show it needs solid centre rail rail, not centre studs. To run it on modern track you will need to change to a modern pick up shoe. If you are trying to run on centre studs i suspect the pickup shoe is catching on the studs. This is O gauge , Alan! Ah ..


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jsmatlak		#6 Posted : 21 March 2017 04:52:28(UTC) Retweet
Joined: 20/03/2017(UTC) Posts: 6 Location: California, Los Angeles		Originally Posted by: Markus Schild Hi, Welcome to the forum. Usually you can turn the part which looks like a whistle or an antenna on the roof. That's a hidden nut which holds a thread on the upper part of the boogie. Here are some pictures of the boogie: http://alte-modellbahnen...-eines-TWE-zerlegen.html Often such models have been converted to DC to remote control the direction. A picture of the boogie outside the car would help. Regards Markus Markus- thank you for your reply. I am still not clear on how to remove the roof. On the clockwork TWE 930 there are two tabs which hold it on: On the TWE 12930 these tabs are also there (and they are already straight), but the roof does not want to come off in the same way. Is there something besides these two tabs that is holding on the roof? Thank you


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jsmatlak		#7 Posted : 04 April 2017 05:21:41(UTC) Retweet
Joined: 20/03/2017(UTC) Posts: 6 Location: California, Los Angeles		Originally Posted by: Markus Schild Hi, Welcome to the forum. Usually you can turn the part which looks like a whistle or an antenna on the roof. That's a hidden nut which holds a thread on the upper part of the boogie. Here are some pictures of the boogie: http://alte-modellbahnen...-eines-TWE-zerlegen.html Often such models have been converted to DC to remote control the direction. A picture of the boogie outside the car would help. Regards Markus I have solved the question- the seller explained that to remove the roof you simply loosen the silver-colored standoff located at the center of the train. After taking out the power unit the added rectifier was obvious. I removed it and re-established the original wiring using the photos you provided and it now runs perfectly. Thanks!

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