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I am trying to replace the lamps in "The Blue Comet" cars 9536 and 9538. I have removed the top on these or similar before, but these particular cars are proving very difficult.

I managed to squeeze my way into the passenger car because the windows are wider and afford more "pinching grip", but the baggage car has windows about half the width of those on the passenger car, and just refuse to be compressed enough to release the roof. I am definitely pushing the limit of breaking something using pencil erasers, wooden sticks and of course fingers to try and push the small window inward, and am just not having any luck.

Any tricks you know of????

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modeltrainsparts posted:

Try pressing one at a time and inserting a small strip of index card in the gap, then another one a little bit and another piece of index card, and so on. Clearly bulb replacement was not on the mind of whoever designed these cars.

 

That's exactly what I did on the passenger car, but there is absolutely no gap to be seen on the baggage car windows. And there certainly is no gap between the roof and body unless you first get that satisfying "snap" sound as the first window releases while pulling up on the roof! It's just too tight.

It's coming down to which do I want more, lights or intact plastic windows?

Well, the baggage car windows were just too small for fingers, I ended up laying the flat blade of a small screwdriver on the top edge of the window, i.e. the most protruding portion, then pushing til I thought it might break. I was at the same time, prying the roof upward using my thumbnail. Admittedly, I don't have much of a thumb nail, and it's sore as heck right now, but it was enough pulling force to make the top pop when I finally got the top edge of the window depressed enough.

Some of the windows had slight gouges when I finished. So to kill two birds with one stone, I took a single edge razor blade and carefully trimmed the upper portion of each window to rid it of those gouges. At the same time, the trimming also beveled the top edge just enough to make any future removals much easier.

Poor design .... but nice, close tolerances!

I had this same challenge when I upgraded my Milwaukee Road baby madison passenger cars to LED lighting last year.  Removing the roof of the baggage car was the most difficult part of the whole project!
 
I ended up cutting some clear adhesive bumper pads to the width of the windows, then applying them to the 4 window tabs.  I then used a set of quick grips to simultaneously apply pressure to all four tabs, and then popped the roof off.  
 
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rogerpete posted:

I take wooden coffee stirs, sand the tip to a point, slip them in one window at a time, and once all four are in, roof comes off. The wood is forgiving and doesn't gouge like metal.

That is the SECOND time somebody has found a clever use for wooden coffee stirrers (first one was wood decking on a train platform, first observed at a recent train show in Norwalk, OH) - I'm going to have to go get a few thousand of them!

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Ste 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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