Tech Forums > SOHC/4 Bikes
CB750 points plates Toyo, Hitachi, Nippon Denso, Futaba
eastern:
--- Quote from: jwurbel on October 01, 2024, 06:22:48 PM ---For what’s worth, I ordered a set that came up on EBay simply because the price, $48 plus free shipping, was so low. The set is clearly stamped FEW. Not sure of the state of the condensers. Mark, how do you charge them?
--- End quote ---
I got one too. Same. All FEW markings.
jwurbel:
Just reread Mark’s earlier post. Now I have to find my Lionel train…
69cb750:
Ordered Futaba points plate.
Left points fiber to long, smallest gap .022" into the trash.
One condenser doa, probably worked 50 years ago.
Ordered four Toyo condensers from Yamiya.
Oddjob:
Are you saying that these faults were on the new Futaba plate or your old plate? Not clear.
HondaMan:
--- Quote from: jwurbel on October 01, 2024, 06:22:48 PM ---For what’s worth, I ordered a set that came up on EBay simply because the price, $48 plus free shipping, was so low. The set is clearly stamped FEW. Not sure of the state of the condensers. Mark, how do you charge them?
--- End quote ---
I connect the AC side of the transformer (usually it is around 16-20 volts) thru a 1k resistor to one lead and then clip another lead to the condensor case and let them sit that way for a few hours. But first, I always check (finger test!) to make sure they aren't just shorted, in which case they get warm (or the train transformer's little automatic circuit breaker starts clicking off-on). I have a couple dozen old Japan Daiichi condensors, one of which shorted during this test. They were made in the 1980s.
;)
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