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Offline emanlooc  
#1 Posted : 22 November 2011 21:30:44(UTC)
emanlooc


Joined: 09/12/2007(UTC)
Posts: 34
Location: Louisville, Kentucky
[img=UserPostedImage]3029[/img]So I pulled out the train from the moving boxes because I want it around the Christmas tree. It's a 3029 from an old S started set. For some reason, it's not working. There's a small pin that sticks out above the rear wheel; it's circled in the attached picture. When I push in on the pin, electricity seems to flow and the train pulls away. When I let go, it stops. Any ideas?
Offline Western Pacific  
#2 Posted : 22 November 2011 21:36:38(UTC)
Western Pacific

Sweden   
Joined: 19/09/2009(UTC)
Posts: 841
Location: Lidingö, Sweden
Originally Posted by: emanlooc Go to Quoted Post
[img=UserPostedImage]3029[/img]So I pulled out the train from the moving boxes because I want it around the Christmas tree. It's a 3029 from an old S started set. For some reason, it's not working. There's a small pin that sticks out above the rear wheel; it's circled in the attached picture. When I push in on the pin, electricity seems to flow and the train pulls away. When I let go, it stops. Any ideas?


I believe that pin is the axle of the rotor of the motor and when you press it you will press the whole rotor towards the brushes and thereby create contact. You may have to change the brushes or make the spring holding the brushes press harder.
Offline Oliver SBB-CFF-FFS  
#3 Posted : 22 November 2011 21:38:41(UTC)
Oliver SBB-CFF-FFS

Sweden   
Joined: 22/06/2011(UTC)
Posts: 544
Just a guess but I think that the pin you are referring to is could the motor axle. Since you say it works when you push it in it might mean that the motor shield is not properly attached (screws that have come loose?). This in turn results in that the brushes do not make contact, thus not allowing electricity to flow. Just a guess, but I have encountered this problem on an old 3000 loco and screwing the motor shield into place after cleaning the other motor parts solved it. I also had to replace the brushes.

Hope it helps.

Oliver

Edit: Per was fasterBigGrin
SBB Era IV - VI
Offline Webmaster  
#4 Posted : 22 November 2011 21:44:01(UTC)
Webmaster


Joined: 25/07/2001(UTC)
Posts: 11,165
Could you provide us with a picture from the other side where we can see the black brush plate/motor shield & brushes?
Juhan - "Webmaster", at your service...
He who asks a question is a fool for five minutes. He who does not ask a question remains a fool forever. [Old Chinese Proverb]
Offline emanlooc  
#5 Posted : 22 November 2011 22:27:04(UTC)
emanlooc


Joined: 09/12/2007(UTC)
Posts: 34
Location: Louisville, Kentucky
UserPostedImage

Thanks so much for the replies; here's the other side. The other end of the part I had circled can be seen sticking out like a cone between the circular metal pieces above the rear wheel. I don't know much about the parts and names of parts on the train. I've read posts referring to brushes and other things, but I don't know exactly what they are. Is there some sort of diagram that labels the parts on these trains?
Offline Webmaster  
#6 Posted : 22 November 2011 22:35:48(UTC)
Webmaster


Joined: 25/07/2001(UTC)
Posts: 11,165
This image gives the obvious cause of the problem. You need a new pair of brushes...

It's those round things held in place by spring levers, one piece of rolled copper mesh and one piece of round graphite.

The spare part number for a set of new brushes is 600030. This is a cheap spare part.


It looks like the graphite piece is badly worn, and the copper brush seems to be almost non-existent. With a set of new brushes she will run great again... Smile
Juhan - "Webmaster", at your service...
He who asks a question is a fool for five minutes. He who does not ask a question remains a fool forever. [Old Chinese Proverb]
Offline FMS  
#7 Posted : 22 November 2011 22:47:32(UTC)
FMS


Joined: 01/01/2009(UTC)
Posts: 839
Location: PT
Hi There!

It also would help a good cleaning and maybe some oil.
Regards
FMS
Offline emanlooc  
#8 Posted : 22 November 2011 22:47:39(UTC)
emanlooc


Joined: 09/12/2007(UTC)
Posts: 34
Location: Louisville, Kentucky
I've just done a little research online for the part number, and I think I see what you mean. Ideally, will the brushes fill those round guides, or will they be shoved way in almost like what I have?
Offline emanlooc  
#9 Posted : 22 November 2011 22:52:47(UTC)
emanlooc


Joined: 09/12/2007(UTC)
Posts: 34
Location: Louisville, Kentucky
On a side note, I've read many posts that mention giving the train a good cleaning. Are there any good walk-throughs online that have video or pictures describing the best way to do this? Again, thanks so much for the quick replies. I boxed up my trains when I thought we were moving (two years ago!), and I've been away from this forum for a while. I've forgotten how great it is!
Offline Webmaster  
#10 Posted : 22 November 2011 22:55:27(UTC)
Webmaster


Joined: 25/07/2001(UTC)
Posts: 11,165
What you have to do is to lift the springed arms to the side, replace the stuff that is in the round holes with the new 600030 parts, and then lift the springed arms back onto the new parts again so they apply pressure onto the new parts so the motor can work.

Usually the arms have 2 different shapes, one is plain straight and one has a small hook at the end. The one with the hook holds the copper roll at center and the straight one holds the graphite piece in the groove at the top of the graphite piece...
Juhan - "Webmaster", at your service...
He who asks a question is a fool for five minutes. He who does not ask a question remains a fool forever. [Old Chinese Proverb]
Offline FMS  
#11 Posted : 22 November 2011 23:07:59(UTC)
FMS


Joined: 01/01/2009(UTC)
Posts: 839
Location: PT
Maybe this help:

When i got mine, i did this:

UserPostedImage

UserPostedImage

UserPostedImage

UserPostedImage

UserPostedImage

UserPostedImage

UserPostedImage

Nowadays she's ok and a bit different.
In the picture where all the parts are, the brushes are missingBlushing
Regards
FMS
Offline emanlooc  
#12 Posted : 22 November 2011 23:12:35(UTC)
emanlooc


Joined: 09/12/2007(UTC)
Posts: 34
Location: Louisville, Kentucky
Those pictures are great. I think I can do all of that except for the wheels and that long bar that connects to the back wheel. How do those parts come off?
Offline FMS  
#13 Posted : 22 November 2011 23:22:58(UTC)
FMS


Joined: 01/01/2009(UTC)
Posts: 839
Location: PT
I'm glad to help.
About the wheels...don't go there, at least for now.
The main axle comes out with the proper tool--> Marklin Item: 70900

Regards
FMS
Offline emanlooc  
#14 Posted : 23 November 2011 14:13:49(UTC)
emanlooc


Joined: 09/12/2007(UTC)
Posts: 34
Location: Louisville, Kentucky
FMS, I see that you had a lot of black gunk on one of the gears. What's the best way to clean that stuff off? Is there a special cleaner, or is it just a matter of wiping the gears off? Mine aren't as bad, but I want it to look good when I'm finished.

Also, I've found several different brush sets. I've found NOS W German Marklin (60 030), new Marklin (600300), and Eckert Engineering (60030). Is one better than the next?
Offline Webmaster  
#15 Posted : 23 November 2011 21:07:27(UTC)
Webmaster


Joined: 25/07/2001(UTC)
Posts: 11,165
The 60030 and 600300 is the same, Märklin updated their numbers to 6 digit numbers about 10 years ago...
Seems like I had a misplaced zero in front of the "3" in my recommendations...Sorry...Blushing

If there is a lot of gunk, there is probably also a lot of dust/cat hairs/carpet fibre/whatever mixed with the gunk... Then some kinda sharp-nosed plier or a very small flathead screwdriver or even a toothpick to pry with is the best tool to remove it. If it is "oily gunk only", stuff like WD-40 can dissolve it.
Juhan - "Webmaster", at your service...
He who asks a question is a fool for five minutes. He who does not ask a question remains a fool forever. [Old Chinese Proverb]
Offline FMS  
#16 Posted : 23 November 2011 21:47:53(UTC)
FMS


Joined: 01/01/2009(UTC)
Posts: 839
Location: PT
Correct!!Smile
Regards
FMS
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