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MichaelB		#1 Posted : 29 August 2024 04:36:47(UTC) Retweet
Joined: 29/03/2024(UTC) Posts: 3 Location: Blenheim		Hi there and good afternoon from Blenheim New Zealand. I’ve done a silly thing. I have an older Marklin set, started originally circa 1954. Expanded in 60s and 70s and then put into hibernation. Recently re habilitated all good going well. Have two transformers One blue Super and a smaller later model blue. Last week I purchased via an auction site a used diesel loco. On the outside very tidy and similar in appearance to my other diesel locos. When it arrived I placed it on track. Lights worked but non runner. Took off cover and not an analog. Had a digital circuit board but armature, brushes etc similar to my analog locos. Looks like it won’t run on my M tracks and transformer DC output. Question. Before I try and re sell it, can I convert to digital. I’m in my 70s not up to date with digital Marklin. Thanks for any comment. Mike.

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applor		#2 Posted : 29 August 2024 08:37:10(UTC) Retweet
Joined: 21/05/2004(UTC) Posts: 1,765 Location: Brisbane, Queensland		Of course you can convert to digital, and should. Just need a mobile station and a track connector box. You shouldn't be using those really old blue transformers in any case, they're not safe. FYI digital loco should still run on analog, though modern digitals you can disable analog mode - we'd need to know the item number. Might be a different problem. Apply voltage directly to the motor terminals and see if it spins.
		modelling era IIIa (1951-1955) Germany

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hermanvk		#3 Posted : 29 August 2024 08:53:43(UTC) Retweet
Joined: 15/11/2023(UTC) Posts: 56 Location: Alberta, Calgary		Originally Posted by: applor Of course you can convert to digital, and should. I don't think one should. All depends what one wants to do. For me the "play" part is the number one, and I run all 40+ year old analog locs on M-rail...

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JohnjeanB		#4 Posted : 29 August 2024 11:08:14(UTC) Retweet
Joined: 04/02/2011(UTC) Posts: 3,550 Location: Paris, France		Hello Michael A warm welcome to this forum. Here a Märklin-crazy person from France (Ile de France). The disease has started in 1961 and never stopped since with Märklin HO, started analog with M track, now with C Track and digital. You give us little info about the purchased loco (a model no. and a picture would be great). Almost ALL märklin locos also work in analogue (Digital, Delta, etc). From what I understand you have purchased a loco that is seized (dried oil, sticking the gears). You need to: - open the loco (usually one screw, sometimes hidden under a removable dome for some steamers. - remove the brushes using fine tweezers - use RS24 liquid (NOCH) or lighter fluid and a brush to gently wipe the gears, their axles. Do not force-turn the wheels but rather use patience. Do not soak windings (motor, inductor, inverter relay). - in the end the motor and wheels should turn gently. - dry the mechanism, lubricate with a TINY drop of Märklin oil (or car oil) on each axles - put back the brushes Another possibility is, on some old Delta, you need to set the switches correctly Here is a table from Märklin on how to set the switches on ANY Märklin electronics Marklin Codiertabelle.pdf (1,929kb) downloaded 25 time(s). You are a young person (I will be 78 very soon) and digital is so fantastic that you would be missing out a lot. BEWARE that your old transformers may destroy your new Märklin locos because of the too high voltage when inverting (must not exceed 25 VAC) Cheers Jean
		My layout videos latest vid marshalling yard My Layout

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kiwiAlan		#5 Posted : 29 August 2024 15:15:52(UTC) Retweet
Joined: 23/07/2014(UTC) Posts: 8,454 Location: ENGLAND, Didcot		Originally Posted by: MichaelB Hi there and good afternoon from Blenheim New Zealand. I’ve done a silly thing. I have an older Marklin set, started originally circa 1954. Expanded in 60s and 70s and then put into hibernation. Recently re habilitated all good going well. Have two transformers One blue Super and a smaller later model blue. Last week I purchased via an auction site a used diesel loco. On the outside very tidy and similar in appearance to my other diesel locos. When it arrived I placed it on track. Lights worked but non runner. Took off cover and not an analog. Had a digital circuit board but armature, brushes etc similar to my analog locos. Looks like it won’t run on my M tracks and transformer DC output. Question. Before I try and re sell it, can I convert to digital. I’m in my 70s not up to date with digital Marklin. Thanks for any comment. Mike. I would recommend that you don't use that loco with those transformers as you are likely to destroy the decoder with the reversing pulse. Once you have sorted out the seized motor, as already described, you can put all switches to 'off' for analogue mode to try it, but don't reverse it. If the decoder has already been blown because you have already tried reversing it, you should be able to just get a reversing unit to replace the decoder, if the motor has the fixed electromagnet instead of the replacement magnet used for modern decoders.

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Michael4		#6 Posted : 29 August 2024 18:21:52(UTC) Retweet
Joined: 02/02/2017(UTC) Posts: 694 Location: England, South Coast		I've been enjoying myself recently de-digitising a couple of locos...

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MichaelB		#7 Posted : 31 August 2024 02:00:48(UTC) Retweet
Joined: 29/03/2024(UTC) Posts: 3 Location: Blenheim		Thank you Jean. No the motor is not frozen. I did all the appropriate checks. But, the seller has taken it back already. I note many comments re blue transforners. All my current locos etc are somewhat of the 50s 60s and 70s. I have a qualified electrical certification. I have checked regularly the transformer windings, thermal cut outs and amp (current) outputs. I would certainly update if i was a bit younger, nostalgia, call it as you want, but everything in my layout inventory works perfectly. I also have a 1986 Classic Jaguar, and like me runs like a swiss watch. Cheers and thanks everybody. Mike. Originally Posted by: JohnjeanB Hello Michael A warm welcome to this forum. Here a Märklin-crazy person from France (Ile de France). The disease has started in 1961 and never stopped since with Märklin HO, started analog with M track, now with C Track and digital. You give us little info about the purchased loco (a model no. and a picture would be great). Almost ALL märklin locos also work in analogue (Digital, Delta, etc). From what I understand you have purchased a loco that is seized (dried oil, sticking the gears). You need to: - open the loco (usually one screw, sometimes hidden under a removable dome for some steamers. - remove the brushes using fine tweezers - use RS24 liquid (NOCH) or lighter fluid and a brush to gently wipe the gears, their axles. Do not force-turn the wheels but rather use patience. Do not soak windings (motor, inductor, inverter relay). - in the end the motor and wheels should turn gently. - dry the mechanism, lubricate with a TINY drop of Märklin oil (or car oil) on each axles - put back the brushes Another possibility is, on some old Delta, you need to set the switches correctly Here is a table from Märklin on how to set the switches on ANY Märklin electronics Marklin Codiertabelle.pdf (1,929kb) downloaded 25 time(s). You are a young person (I will be 78 very soon) and digital is so fantastic that you would be missing out a lot. BEWARE that your old transformers may destroy your new Märklin locos because of the too high voltage when inverting (must not exceed 25 VAC) Cheers Jean Edited by moderator 01 September 2024 05:29:12(UTC) \| Reason: Fixed the broken quotes.

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