Can I fix it? Jerky Märklin 3321 - BB15000

I hope you enjoy the video. If you do, please help the channel in reaching a wider audience by subscribing or hitting the like button. Today, I will attempt to get this recently acquired Märklin 3321 to run properly again. I really want to finally use some SNCF coaches I have had in the collection for a while now that I have something suitable to pull them. The locomotive was very jerky during the initial test, let's see how I get on.... Equipment featured in the video: Märklin 3321 Märklin 4161.1, 4161.2, 4156 00:00 Introduction 00:57 Märklin 3321 Inspection and test 02:37 Märklin 3321 Maintenance 22:40 Play time! Feel free to also share, subscribe or leave a comment. Channel email: the3rdrailchannel@gmail.com Subscription:    / @the3rdrail   The trademarks mentioned are the property of their respective owners and used for description purposes. #Märklin #mgleis #analog #wartung #tmrguk servicing, maintenance, m-gleis , voie M #mobaanalog märklin trains