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Marklin 3412 Tender Locomotive - Need help opening
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Offline randallchin  
#1 Posted : 29 December 2020 22:18:41(UTC)
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randallchin

United States   
Joined: 18/12/2020(UTC)
Posts: 7
Location: California, Palos Verdes
Does anyone have the 3412 service manual? My wife gave me a pre-owned one for Christmas that runs fine, but I haven't figured out how to open her up to change the digital code or perform lubrication. I couldn't find it online. Would just be happy if someone has one and can share where to look for the screws to remove the body.

Thanks!
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Offline dominator  
#2 Posted : 30 December 2020 03:03:48(UTC)
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dominator

New Zealand   
Joined: 20/01/2015(UTC)
Posts: 1,196
Location: Kerikeri
Just pull the top off one of the domes to expose the screw.
Northland. NZ REMEMBER 0228 for ä
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Offline randallchin  
#3 Posted : 30 December 2020 03:19:31(UTC)
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randallchin

United States   
Joined: 18/12/2020(UTC)
Posts: 7
Location: California, Palos Verdes
Yay, thank you!!!
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thanks 1 user liked this useful post by randallchin
Offline ktsolias  
#4 Posted : 30 December 2020 10:52:00(UTC)
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ktsolias

Greece   
Joined: 01/05/2016(UTC)
Posts: 610
Location: Athens
Here is the 3312

At least the mechanical parts are exactly the same

3312_explo.pdf (113kb) downloaded 69 time(s).

Regards
Costas
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Offline randallchin  
#5 Posted : 30 December 2020 19:30:48(UTC)
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randallchin

United States   
Joined: 18/12/2020(UTC)
Posts: 7
Location: California, Palos Verdes
That's wonderful, thanks. I did not think to look for the non-digital model number. -- two more things that I have learned from the Members.
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Offline Nibelungen  
#6 Posted : 19 January 2021 15:25:00(UTC)
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Nibelungen

United Kingdom   
Joined: 07/03/2020(UTC)
Posts: 29
Location: Grimsby UK
Had the same problem with a V160 Diesel Locomotive ( Lollo) It was an early digital model from a Train Pack I think (V160 003) Found the instruction sheets for the modern version the model I have wasn't the same for opening it up. After much digging found how to get into it on a German site. Discovered it was an 8 pin dip switch chip :-)
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