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Offline SlowOrder  
#1 Posted : 24 November 2022 02:28:39(UTC)
SlowOrder

United States   
Joined: 24/11/2022(UTC)
Posts: 3
Location: Binghamton, New York
Good Evening,

I recently bought a HAG DC Ae 4/7 (135), how do I convert it ro run on analog AC? I've never tried a conversion before, but this was the only option I had at the time.

Do I need to buy a slider, and does it have to be HAG brand, or can I use one from Märklin?

Thank you,
Andy B.
Offline mike c  
#2 Posted : 24 November 2022 05:41:21(UTC)
mike c

Canada   
Joined: 28/11/2007(UTC)
Posts: 7,512
Location: Montreal, QC
You will need to find the proper slider and may have to modify the wheel contacts so that the return works properly.
Your best bet would be to convert it to digital AC, which would still work with an analog layout. The reason for this is that there is not a significant difference in cost between a basic Lok Pilot decoder and an electronic reverse unit.

I don't know whether Hag continued the production and retained the parts/molds for the Ae 4/7, even though it was part of the "New Generation".
Most of the models that have come out of Stansstad have been Re 4/4II, Re 6/6 and Re 460.
You can possibly send the locomotive to Hag and have it converted by them. I did that with a DC Re 460, but that was back in the Moerschwil days.

I don't know if the circuit board on the DC Ae 4/7 was the same as the AC version. The non-insulated wheel sets have a different spacing than the DC ones.

Maybe Stefan (Unholz) can help you find a source for the parts. You can try Christian at eyro.ch. He may be able to help you as well.

See: https://www.hag.swiss/wp...ste-Ersatzteile-2022.pdf (Gruppe 13 Ae 4/7)

Regards

Mike C
Offline Unholz  
#3 Posted : 24 November 2022 09:55:22(UTC)
Unholz

Switzerland   
Joined: 29/07/2007(UTC)
Posts: 1,349
Location: Switzerland
Item no. 135? That would be one of the comparatively rare "Sécheron" varieties with printed road number 10951 and silver-colored ventilation grilles on one side.

I am a layman but would consider a conversion to AC as difficult. The HAG slider you would need is part no. 138075-90, available for instance here:
https://eyro.ch/onlinesh...03d10df8007ff5892fa4bac1
Offline river6109  
#4 Posted : 24 November 2022 12:11:27(UTC)
river6109

Australia   
Joined: 22/01/2009(UTC)
Posts: 14,058
Location: On 1965 Märklin Boulevard just around from Roco Square
I prefer DC locos, they are easier to convert to AC when running them digital, as I use the pantographs as the middle contact.

John
https://www.youtube.com/river6109
https://www.youtube.com/6109river
5 years in Destruction mode
50 years in Repairing mode
Offline SlowOrder  
#5 Posted : 27 November 2022 19:26:55(UTC)
SlowOrder

United States   
Joined: 24/11/2022(UTC)
Posts: 3
Location: Binghamton, New York
I got a chance to take a look at it today, and it's already equipped with a LokPilot decoder. I was able to order a slider (thanks Stefan!), so that should be here in a week or 2.

After swapping the slider for the pickups, is there anything else I have to do?
Offline kiwiAlan  
#6 Posted : 28 November 2022 00:15:37(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 7,115
Location: ENGLAND, Didcot
Originally Posted by: SlowOrder Go to Quoted Post
I got a chance to take a look at it today, and it's already equipped with a LokPilot decoder. I was able to order a slider (thanks Stefan!), so that should be here in a week or 2.

After swapping the slider for the pickups, is there anything else I have to do?


You may need to check what protocols are enabled in the decoder. There is always the possibility it is a DCC only decoder, although in Europe it is more likely to be a multi-protocol decoder, but could have some protocols turn off so that only DCC is operational.

Do you know which model Lokpilot is fitted (V3, v4 or v5)?

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