07-31-2021, 12:44 PM
I decided to tackle the chewed up wires underneath the chassis even before I cleaned the top side. First thing I replaced was the chewed up line cord. I then started to replace the CT wire from the HV winding of the power transformer. I then decided to take DETAILED pictures of the underside of the chassis before I did anything further so I have some idea of how things WERE before I did work. Somewhere along the line somebody replaced the original two filter condensers with one multi section condenser, possibly during WW2 or just after, or in the 1950s. I will have to make a couple of replacement replicas. (see my thread about restoring the Philco 38-10 https://philcoradio.com/phorum/showthread.php?tid=22318 ) Fortunately I have a junk Philco chassis from which I have robbed the two clamps I will need for the replicas. Here is a photo of the underside of the chassis showing the area where I am working. You can see the new line cord running across in the same place as the old chewed one, the blue (hot) wire going to the switch and the brown (grounded) wire going to a terminal strip. It's a nice cord, looks just like the original, but it uses the European color code. You can also see the brown and yellow wire from the transformer I replaced. It is just connected on one end since the other connects to one terminal of the filter condenser, which will be coming out and be replaced.
[Image: https://64.media.tumblr.com/84954f841f5b...23ff3e.jpg]
Still a LOT more to do. One of the 5V filament wires from the transformer to the 5Z3 will have to be replaced too, some chewed insulation on it. And then there is all that rubber covered wire which is all dry rotted and will have to be replaced.
I HATE rubber covered wire ! When I started restoring these old radios more than half a century ago, it was just fine. Nobody thought it would fail like this. Of course, when they built them 80 years ago, nobody expected people to want to collect them, or that they would still be around 80 years later. They were simply a consumer item which people would replace as styles and technology changed. For the most part, that is what people did, and that is why they are rare and collectible now.
[Image: https://64.media.tumblr.com/84954f841f5b...23ff3e.jpg]
Still a LOT more to do. One of the 5V filament wires from the transformer to the 5Z3 will have to be replaced too, some chewed insulation on it. And then there is all that rubber covered wire which is all dry rotted and will have to be replaced.
I HATE rubber covered wire ! When I started restoring these old radios more than half a century ago, it was just fine. Nobody thought it would fail like this. Of course, when they built them 80 years ago, nobody expected people to want to collect them, or that they would still be around 80 years later. They were simply a consumer item which people would replace as styles and technology changed. For the most part, that is what people did, and that is why they are rare and collectible now.
