BR 216 8875 ....will not run

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BR 216 8875 ....will not run

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rogerh2025		#1 Posted : 02 June 2025 08:28:29(UTC) Retweet
Joined: 02/06/2025(UTC) Posts: 3 Location: England, Telford		The loco was purchased used, oiled and has run for twelve months.It has developed erratic ,or non running.Power is heard and felt from the motor. Lights flash intermittantly,and motor will run if pressure is put on one side.Wheels are kept clean. Suggests power pick up problem. I have removed bogies ,contact springs cleaned ,all running gears reoiled.Gear drivers oiled ,reassembled ,but will not run,either forward or reverse. Wheels have been cleaned ,and cleaned again The motor brushes seem ok .......any thoughts?????


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JohnjeanB		#2 Posted : 02 June 2025 11:55:51(UTC) Retweet
Joined: 04/02/2011(UTC) Posts: 3,566 Location: Paris, France		Hi Roger A warm welcome to this great forum. Here a fellow Märklinist from Paris, France but in HO scale Current pick-up issues are pleaguering all brotherhood of miniature trains lovers. I suggest you verify that all wheels supposed to pick up current are doing so. Install the loco upside down on a foam bed and with two wires connected to the power source alternately test each wheel pick-up. Of course this is done after all wheels and rails are cleaned (avoid any abrasive: use rathefr wood for rails and cardboard on wheels while they are turning). Oiling must be EXTRA sparingly applied: for Z scale the use of an hypodermic syringe s mandatory Cheers Jean PS You may want to watch this The loco is oêrated while immersed for cleaning The used liquid is RS24 from Noch NO WATER
		My layout videos latest vid marshalling yard My Layout

1 user liked this useful post by JohnjeanB		ciderglider
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Carim		#3 Posted : 02 June 2025 12:58:33(UTC) Retweet
Joined: 15/09/2014(UTC) Posts: 684 Location: London		The fact that the motor runs if you put pressure on the loco from one side suggests that you have a contact problem. I would check that the contacts from the bogies are making good contact with the back of the wheels. If that doesn't sort it, the next culprit is likely to be the thin wires from the circuit board connecting to the capacitor which runs down to the brushes. Other than that, check that the brushes are making good contact with the split-ring commutator. Carim


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Poor Skeleton		#4 Posted : 02 June 2025 22:19:37(UTC) Retweet
Joined: 09/10/2015(UTC) Posts: 584 Location: England, Cambridge		Originally Posted by: rogerh2025 The loco was purchased used, oiled and has run for twelve months.It has developed erratic ,or non running.Power is heard and felt from the motor. Can you explain what you mean by this? Are you saying that you can hear the motor spinning even when the loco isn't moving? Originally Posted by: rogerh2025 Lights flash intermittantly,and motor will run if pressure is put on one side.? Does the motor running coincide with the lights being on or are they independant of each other? My thought is that the screw which makes electrical contact between the circuit board and metal chassis casting is making intermittent contact. If I'm right, tightening it up should get you back to normal service. If it's a non electrical problem (from your description I'm not sure) it could be that the drive shafts aren't fully seated and their gears aren't engaging with the mating gears of the motor. This brings us back to the four screws which secure the circuit board and clamp everything in place. Beware, though, that over-tightening them can cause additional friction in the gears and cause lumpy running at low speed. Hope this helps Chris


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Poor Skeleton		#5 Posted : 02 June 2025 22:32:02(UTC) Retweet
Joined: 09/10/2015(UTC) Posts: 584 Location: England, Cambridge		Actually, I think I might not have got my facts quite right. 8875 is one of the earlier products and I think it has two screws securing the circuit board in place (one of which is resposnsible for electrical contact) and underneath the circuit board there are two (or possibly four, I can't remember) more that hold the two halves of the chassis together. Cheers Chris


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rogerh2025		#6 Posted : 02 June 2025 23:06:22(UTC) Retweet
Joined: 02/06/2025(UTC) Posts: 3 Location: England, Telford		There are two screws holding the circuit board.One is pinning a connector for the motor brush.Tightening and adjusting has made no difference. I suspect the problem is with the bogie connectors,behind the wheels.If the bogies are waggled side to side,intermittant connection is made,motor spins and bulbs flash on . These terminals have been cleaned,but look worn away,and are no longer behind the wheel surface .Good second hand parts are rare to come by .......


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Zme		#7 Posted : 03 June 2025 04:52:19(UTC) Retweet
Joined: 02/10/2013(UTC) Posts: 844 Location: West Texas		Hello, hope all is well. There are many excellent comments concerning your 8875. I am always amazed with the results shown on the YouTube. No amount of cleaning can make up for any parts which are worn out or maladjusted. It seems you received many years of trouble free use from this sturdy locomotive. I have this one also and it has started to act up also. I agree, parts have become harder and harder to find. If you have an eBay account you might be able to search the user “marklinpro”. He is known to have these older parts. Looking at his listings for the US he has these parts for about $6.00. Even with mailing and customs you might be able to get a few more years of service from this locomotive. I believe this is the wheel contact you are referring to. You likely will not find new old stock parts if the condition shown troubles you. This seller has a good reputation on eBay and I have purchased from him myself. Remember there is a part which works for the front and a different one works for the rear boggles. This model was significantly redesigned and parts from these would not work on the older models This might solve your performance issues. I hope it does. Just a suggestion. Take good care. Zme


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rogerh2025		#8 Posted : 03 June 2025 15:50:18(UTC) Retweet
Joined: 02/06/2025(UTC) Posts: 3 Location: England, Telford		Can't find the supplier you nentioned on EBay,unless he uses another ID. The new cost of trucks from Marklin is equivalent to a full used replacement loco,so I think I'm going down that route........


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Poor Skeleton		#9 Posted : 03 June 2025 20:38:13(UTC) Retweet
Joined: 09/10/2015(UTC) Posts: 584 Location: England, Cambridge		Originally Posted by: rogerh2025 There are two screws holding the circuit board.One is pinning a connector for the motor brush.Tightening and adjusting has made no difference. I suspect the problem is with the bogie connectors,behind the wheels.If the bogies are waggled side to side,intermittant connection is made,motor spins and bulbs flash on . These terminals have been cleaned,but look worn away,and are no longer behind the wheel surface .Good second hand parts are rare to come by ....... It will be a fidlly job, but with some patience you could repair the contacts with phosphor bronze strip. You'll need a fine soldering iron but you should be able to get things working again. Good luck! Chris


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