Rivarossi Y6b question

[nw-modeling-list at nwhs.org]

motor in the cab....and as best as I can figure I will have to tip 
apart the front of the locomotive to get at the light to isolate it 
as I can only locate one of the headlamp leads...

Bob Welsh

----- Original Message ----- From: <nw-modeling-list at nwhs.org>
To: "N and W Modeling List" <nw-modeling-list at nwhs.org>
Sent: Saturday, February 11, 2006 11:58 PM
Subject: Re: Rivarossi Y6b question



>Hi Bob;

>

>Reading your note, I think that you have things pretty well scoped 

>out. Both the motor and headlight get power from the frame.  You 

>must sever those connections.

>

>Get out your multimeter, and make sure the motor and the light bulb 

>are isolated, then hook up the decoder.

>

>You may want to add a resistor in series with the light bulb so that 

>it does not get excessively hot and melt the shell.

>

>Which version(s) of the Riv Y6b do you have; motor in cab or motor 

>in the center?

>

>Nigel F Misso

>nfmisso at mchsi.com

>

>

>----- Original Message ----- From: <nw-modeling-list at nwhs.org>

>To: "N and W Modeling List" <nw-modeling-list at nwhs.org>

>Sent: Saturday, February 11, 2006 3:15 PM

>Subject: Rivarossi Y6b question

>

>

>>I need a little help here. I have three of these. I am planning on 

>>putting DCC decoders in them. I have one of them open on my 

>>workbench now. I need help in determining:

>>

>>A) which wires are for what - from my eyes it LOOKS like the motor 

>>gets half its power from a pickup on the engineer side wired to a 

>>contact on the motor and the other side of the power through the 

>>locomotive frame to the case of the motor. I have figured out how 

>>to isolate that to get to the DCC decoded I think.

>>

>>B) how does the headlight get its power? I can see one wire that 

>>leads from the motor case to the front. Therefore I am assuming the 

>>other half the bulb's power is also coming from the frame? I am 

>>scared to tear the thing apart much more without knowing what I am 

>>doing. I had a lot less trouble putting a decoder in an early 60's 

>>Mantua Pacific in the course of making N&W #578.

>>

>>Any help would be appreciated.. feel free to post it here or email 

>>me directly at bob at firedogwireless.com. If putting my email address 

>>in this post is taboo, Mr Moderator, please edit it out and send 

>>the post on... I really want to run something other than a J, the 

>>E2 or an inappropriate 2-10-0 on my newly-updated to DCC layout....

>>

>>Bob Welsh

>>

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