[BillT52]

Update on my problem with this 40-180 chassis. Went ahead and got the new output trans that Radioroslyn suggested. Did not solve the problem but I could hear sound thru the speaker a little better but very weak. Felt I had checked all that I could so I contacted a member of one of our local clubs that has been doing this for years. Took it to him and he was stumped for maybe 15 minutes. First thought it might be the switch on the push button for tuning but it was OK. Had output from the new trans when measured at the trans but not so much at the voice coil so he tried a jumper from the chassis to the voice coil and BAM, that was it! He said he had come across this once before. THe speaker I was using was not the exact one but from another Philco. His explanation basically was that the field coil was a little different and was not connected to the ground from the wiring harness. So simple fix was I ran a 5th wire from the voice coil to the ground screw on the chassis and all is well. Maybe this will help anyone else with a 40-180 that needs another speaker.
Thanks to all that offered help on this.