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Problem solved!:beer: the replacement CVT has fixed the problem. So, to recap, the machine with a Libby AC box would not put out power unless I hold the start switch indefinitely, but it would work normally with a JR.H AC box. The CVT had an open in the windings at H5-H6. Replacing the CVT has...

Well, back to fixing this -002A... After a couple failed attempts to score a parts machine at a reasonable price from GL, Craig A Tull hooked me up with a replacement CVT. I got it installed in my AC connection box today. It wasn't too bad to swap out, the hardest part is the heavy wire going to...

Well, no time to work on it this weekend, but I brought it (the AC box) to work with me this morning and I think I see the problem... Bridge rectifier checked out fine. 1.86M on each diode in 1 direction and opecircuit in the other direction. 55 ohms on the resistor. BUT... the CVT1 readsings...

Jim, thank you for your help. The info you provided along with info in the thread ( which I just noticed ) about the nice regulators you make... Plus the schematics and test procedures I printed out of the TM should get me started on a more detailed analysis of the problem. Al I need now if a...

That's what I figured, I wouldn't expect any operational differences between the two. Now that I try to retrace my steps I think originally I did put the JR.H VR into the questionable generator's Libby cubicle and it did not work. It just seems very strange that the JR.H cubicle as a whole works...

So last night I did a little more testing and found that when I swap the cubicles back to their original generators, the Libby unit once again will not produce power unless you hold the start switch indefinitely. Next I tried another known good Libby control cube on the suspect Libby generator...

Hello everyone, I'm brand new to posting here, although I've been reading articles and learning a lot for a few months. So cut me some slack if I mess anything up due to my inexperience! Anyway, I was wondering if anyone knows of any interchangeability problems between Libby Corp. and J.R...