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Author Topic: Dapol Coach Tilt Problem  (Read 556 times)

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Offline ten0G

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Dapol Coach Tilt Problem
« on: September 26, 2018, 04:13:48 PM »
 :hellosign:

I have just bought a pair of maroon Colletts.  I notice that one of them tilts noticeably to one side when compared with the other seven Dapol coaches I now have.  The tilt seems uniform judging by the roof alignment with adjoining coaches.

The coach in question is one which has instructions for fitting light bars, and before I return it to Sheffield for replacement I thought I would ask if anybody can think of the reason for the tilt. 

I have examined it as much as I can without taking it apart, but can see no obvious cause.  I do however wonder if anyone who has fitted light bars to Dapol coaches, especially Colletts, can suggest a quick fix which would cure the problem please.   

:thankyousign:

Online kenbury

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Re: Dapol Coach Tilt Problem
« Reply #1 on: September 26, 2018, 07:52:41 PM »
hi check the wheels are in bogie holes and not running on side frame only     ken

Online Bob G

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Re: Dapol Coach Tilt Problem
« Reply #2 on: September 26, 2018, 10:38:34 PM »
I had a problem with a Maunsell coach.Where the light bar connection end was, there was insufficient space for the connecting cables to pass from the bogie to the light bar connecting assembly. It resulted in a tilt and derailment at every bend in the track.
If the tilt is at the light bar connecting end, i found that by taking the assembly apart, it was clear that there was part of the design of the seat moulding that required additional filing away (manually) before assembly, for the bogie to work properly and allow free rotation.
It may be that you have a similar thing on the Collett coach.
Let me know if this is a similar thing or if it is a different symptom (my Collett coaches predate lightbars).

HTH
Bob

Offline ten0G

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Re: Dapol Coach Tilt Problem
« Reply #3 on: October 01, 2018, 05:57:53 PM »
hi check the wheels are in bogie holes and not running on side frame only     ken

I've inspected the wheels and as far as I can tell, all are freely running in the metal bearings.  These are the first coaches I've seen with this type of bogie. 

I had a problem with a Maunsell coach.Where the light bar connection end was, there was insufficient space for the connecting cables to pass from the bogie to the light bar connecting assembly.

How do you tell which is the light bar connection end please?  I do not have any instructions for fitting a light bar, only how to remove the roof which I cant do without tools and a workbench.  I'm a bit disorganised at present having just moved into an apartment. 


Online Bob G

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Re: Dapol Coach Tilt Problem
« Reply #4 on: October 01, 2018, 09:40:47 PM »
hi check the wheels are in bogie holes and not running on side frame only     ken

I've inspected the wheels and as far as I can tell, all are freely running in the metal bearings.  These are the first coaches I've seen with this type of bogie. 

I had a problem with a Maunsell coach.Where the light bar connection end was, there was insufficient space for the connecting cables to pass from the bogie to the light bar connecting assembly.


How do you tell which is the light bar connection end please?  I do not have any instructions for fitting a light bar, only how to remove the roof which I cant do without tools and a workbench.  I'm a bit disorganised at present having just moved into an apartment.

Its easy to take the Dapol Maunsell body off -its just a fingernail around the base of the body. The Collett is a bit different, but I think the roof is just a pop-off design. I guess the body is screwed to the chassis, but as my Colletts are of the original non-light bar design, I can't be sure how they come apart.
 You have to see where the connection is to be able to take it apart and check - strangely on the Maunsells the light bar connection for the Brake Ends is in the toilet end and not the Brake end of the coach.

Sorry I dont have any more info on the Colletts.
Bob


Offline Bramshot

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Re: Dapol Coach Tilt Problem
« Reply #5 on: October 02, 2018, 10:55:25 AM »
On all light bar ready Dapol coaches I have come accross (and installed lighting in), access is via taking off the roof, after removing the wire trim. There are no wires between bogies and coach, contact is by a couple of phosphor bronze wipers.
I believe it is these wipers that cause the tilt, due to varying springiness of the flat contacts in the coach body. Annoying, but almost all my coaches have this issue. You could check that the upstanding contacts in the bogies are not bent, or maybe even bend one slightly on the Ďupí side to lower it a bit, but not certain of success.

Offline ten0G

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Re: Dapol Coach Tilt Problem
« Reply #6 on: October 02, 2018, 12:02:40 PM »
On all light bar ready Dapol coaches I have come accross (and installed lighting in), access is via taking off the roof, after removing the wire trim. There are no wires between bogies and coach, contact is by a couple of phosphor bronze wipers.
I believe it is these wipers that cause the tilt, due to varying springiness of the flat contacts in the coach body. Annoying, but almost all my coaches have this issue.

Thanks.  As I'm not interested in installing light bars, do you think it is possible to remove/modify the wipers in any way which would eliminate the tilt? 

Offline Bramshot

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Re: Dapol Coach Tilt Problem
« Reply #7 on: October 02, 2018, 05:06:50 PM »
Well, if you take the bogie off by pulling the plastic pin out, then you could chop off the upstanding contacts with some wire clippers, that would do the trick, assuming I am right about them being implicated in the problem. You only need to shorten them enough so they donít make contact with the springy strips in the carriage chassis. Donít try to remove all the metal though, as that is an integral part of the bearing system for the axles.

 

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